Helena, MT

3:28 PM MDT on June 19, 2013 (GMT -0600)
Elev: 3773 ft
Lon: 112.0° W
Lat: 46.6° N
Source
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Active Advisory: Severe Thunderstorm Watch (US Severe Weather) Active Notice: Local Storm Report
Tropical Weather: Tropical Storm Barry (North Atlantic) Tropical Storm Leepi (Western Pacific)
News
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June 19, 2013
Superstorm Sandy forced New York City to rethink its evacuation zone maps. Now, a third of the city's population lives in an evacuation zone.
Monsoon Floods Kill Dozens in India
June 19, 2013
Thousands of people are stranded in the mountains of India after monsoon rains and landslides.
World Bank Highlights Climate-Poverty Link
June 19, 2013
The World Bank announced they will ramp up its efforts to curb climate change in developing countries.
Couple Dies in Historic Colorado Wildfire
June 19, 2013
As crews get a Colorado wildfire primarily under control, fires start in other Western states.
Tropical Depression Two Moves West
June 19, 2013
Tropical Depression Two is moving west over Guatemala and Mexico.
'Dead Zones' Predicted for Gulf, Chesapeake Bay
June 19, 2013
The dead zones in large bodies of water affect important commercial and recreational fisheries and threatens the economy, according to NOAA.
Floods Close Religious Pilgrimage Site in Lourdes, France
June 19, 2013
Heavy floods in southwest France have forced the evacuation of religious pilgrims in Lourdes.
Tornado Stuns Denver International Airport Crowds
June 18, 2013
A tornado was reported near the Denver International Airport Tuesday afternoon.
New Headache for Sandy Victims: Thieves
June 18, 2013
Vigilante justice? Some Sandy survivors are threatening it after a series of thefts.
Air Pollution Linked to Autism
June 18, 2013
Women who are exposed to high levels of air pollution during pregnancy might be twice as likely to have a child with autism, according to a new study from the Harvard School of Public Health thats published in the journal Environmental Health Perspectives.
Largest Supermoon of the Year Peaks This Weekend
June 18, 2013
Get your telescopes ready -- the largest full moon of the year is coming!
The World's Most Amazing Places: Fly Geyser
June 18, 2013
The World's Most Amazing Places: Fly Geyser
Volcano Near Mexico City Rumbles to Life
June 18, 2013
With 4 million people in its shadow, a massive volcano in Mexico rumbles back to life.
Unprecedented Views of Mercury's Surface
June 18, 2013
Check out incredible views of a planet that hasn't been photographed by NASA in nearly 40 years.
Meteorologists Meet to Mull Weird British Weather
June 18, 2013
The weather in London has been far from normal lately, and the locals want to find out why.
NASA Picks 8 New Astronauts, 4 are Women
June 17, 2013
NASA has eight new astronauts.
Water Rescues, Heavy Flooding in Eastern Missouri
June 17, 2013
Heavy rain makes for a nightmare in cities from St. Louis to Cape Girardeau.
NASA Satellite Images of the Month: May 2013
June 17, 2013
A collection of NASA Satellite images of the month, from May 2013.
How 10 Cities are Adapting to Global Warming
June 17, 2013
See some of the cities threatened the most by climate change and how they'll remedy the rising seas.
Floods Kill 23 in Northern India; Dozens Missing
June 17, 2013
Deadly flooding continues in India, washing away roads and buildings.
More News Articles
Weather Summary
Kari Kiefer
Weather Underground Forecast for Wednesday, June 19, 2013.

Wet and active weather will spread across the Northwest with threats of severe weather development on Wednesday. An upper low along the Pacific Northwest Coast will begin to shift inland on Wednesday, ushering ample moisture and energy inland across the Pacific Northwest, Northern Intermountain West and Northern Rockies. Expect scattered showers and thunderstorm activity to spread across these regions through the day, with areas of severe weather becoming possible in central and eastern Montana into northwestern North Dakota. The Storm Prediction Center has issued a slight risk of severe thunderstorm development for this area on Wednesday with primary threats of large hail and damaging wind gusts. In addition to severe storms, these areas will also see increased chance of flooding due to the slow moving nature of this system.

Elsewhere in the West, fire danger will run high across the Four Corners as gusty winds sweep across the region and a warm and dry airmass remains overhead. Red Flag Warnings are expected for this region as this weather setup will increase chances of wildfire development.

In the Plains, generally isolated showers and thunderstorms in the Southern High Plains will advance northeastward across the Central Plains, spanning into the Northern Plains and the Mid-Mississippi Valley by the evening.

In the East, showers will gradually taper off in the Northeast and upper Mid-Atlantic as cold fronts impacting the regions move offshore and high pressure moves overhead. The southern portion of a cold front extending across the Southeast will become nearly stationary as it nears the Gulf Coast. Expect showers and thunderstorm to continue in the southeastern corner of the nation and along the Gulf Coast.
Weather Underground Forecast for Wednesday, June 19, 2013.

Wet and active weather will spread across the Northwest with threats of severe weather development on Wednesday. An upper low along the Pacific Northwest Coast will begin to shift inland on Wednesday, ushering ample moisture and energy inland across the Pacific Northwest, Northern Intermountain West and Northern Rockies. Expect scattered showers and thunderstorm activity to spread across these regions through the day, with areas of severe weather becoming possible in central and eastern Montana into northwestern North Dakota. The Storm Prediction Center has issued a slight risk of severe thunderstorm development for this area on Wednesday with primary threats of large hail and damaging wind gusts. In addition to severe storms, these areas will also see increased chance of flooding due to the slow moving nature of this system.

Elsewhere in the West, fire danger will run high across the Four Corners as gusty winds sweep across the region and a warm and dry airmass remains overhead. Red Flag Warnings are expected for this region as this weather setup will increase chances of wildfire development.

In the Plains, generally isolated showers and thunderstorms in the Southern High Plains will advance northeastward across the Central Plains, spanning into the Northern Plains and the Mid-Mississippi Valley by the evening.

In the East, showers will gradually taper off in the Northeast and upper Mid-Atlantic as cold fronts impacting the regions move offshore and high pressure moves overhead. The southern portion of a cold front extending across the Southeast will become nearly stationary as it nears the Gulf Coast. Expect showers and thunderstorm to continue in the southeastern corner of the nation and along the Gulf Coast.
More News Articles

Helena Weather at a Glance

Updated 2:53 PM MDT
Weather Station
Butte (KBTM)
Elevation
5545 ft
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Now
Partly Cloudy
Partly Cloudy
Temperature
61 °F
Feels Like 61 °F
Wind(mph)
20
Sunrise / Set
5:34 AM
9:24 PM
Moon
Waxing Gibbous
Today
Chance of a Thunderstorm 73 °F
Chance of T-storms
70% chance of precipitation
Tonight
Chance of a Thunderstorm 39 °F
Chance of T-storms
70% chance of precipitation
Tomorrow
Chance of a Thunderstorm 57 | 39 °F
Chance of T-storms
30% chance of precipitation
Friday
Chance of a Thunderstorm 59 | 41 °F
Chance of T-storms
40% chance of precipitation
Saturday
Chance of a Thunderstorm 59 | 37 °F
Chance of T-storms
50% chance of precipitation
Sunday
Clear 72 | 43 °F
Clear
Today is forecast to be Much Cooler than yesterday.
Conditions
Pressure
29.62 in
Visibility
10.0 miles
Clouds
Few 11000 ft
Moisture
Humidity
48%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KBTM 192053Z AUTO 30017G28KT 10SM FEW110 16/05 A2973 RMK AO2 PK WND 30030/2009 LTG DSNT SW AND W SLP029 T01610050 53010
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Weather Radio
Weather Radio Index
Temperature
Temperature
61 °F
52,50,48,47,45,47,50,54,58,60,64,68,65
Dew Point
41 °F
Wind
Speed / Dir
20 mph from WNW
Wind Gust
32 mph
Health
UV
10 out of 16
Pollen
4.80 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
No Activity
View Flu Map
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Source: BestForecast
Descriptive Forecast
Wednesday
chancetstorms Mostly cloudy with a chance of a thunderstorm and a chance of rain, then a chance of a thunderstorm and rain showers in the afternoon. High of 73F. Winds from the SW at 10 to 15 mph. Chance of rain 70%.
Wednesday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and rain showers in the evening, then partly cloudy with a chance of rain. Low of 39F. Breezy. Winds from the SW at 10 to 20 mph. Chance of rain 70%.
Thursday
chancetstorms Partly cloudy with a chance of rain, then a chance of a thunderstorm and a chance of rain in the afternoon. High of 57F. Winds from the WSW at 5 to 20 mph with gusts to 30 mph. Chance of rain 30%.
Thursday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm and a chance of rain, then a chance of rain after midnight. Low of 39F. Winds from the West at 5 to 20 mph. Chance of rain 40%.
Friday
chancetstorms Mostly cloudy with a chance of rain, then a chance of a thunderstorm and a chance of rain in the afternoon. High of 59F. Winds from the West at 5 to 20 mph. Chance of rain 40%.
Friday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and rain, then a chance of rain after midnight. Low of 41F. Winds from the NW at 5 to 15 mph. Chance of rain 50%.
Saturday
chancetstorms Overcast with a chance of rain, then a chance of a thunderstorm and rain in the afternoon. High of 59F. Winds from the WNW at 5 to 10 mph. Chance of rain 50%.
Saturday Night
nt_chancerain Overcast with a chance of a thunderstorm and rain in the evening, then clear with a chance of rain. Low of 37F. Winds from the West at 5 to 10 mph. Chance of rain 40%.
Sunday
clear Partly cloudy in the morning, then clear. High of 72F. Winds less than 5 mph.
Sunday Night
nt_chancerain Partly cloudy with a chance of rain. Low of 43F. Winds less than 5 mph. Chance of rain 50%.
Monday
mostlycloudy Mostly cloudy with a chance of a thunderstorm. High of 70F. Winds less than 5 mph. Chance of rain 20%.
Monday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 45F. Winds from the WSW at 5 to 10 mph. Chance of rain 40% with rainfall amounts near 0.3 in. possible.
Tuesday
partlycloudy Partly cloudy. High of 77F. Winds from the SW at 5 to 15 mph.
Tuesday Night
nt_partlycloudy Partly cloudy. Low of 50F. Winds from the SW at 5 to 15 mph.
Wednesday
partlycloudy Partly cloudy. High of 75F. Breezy. Winds from the WSW at 10 to 20 mph.
Wednesday Night
nt_partlycloudy Clear. Low of 43F. Winds from the WNW at 5 to 15 mph.
Thursday
clear Clear. High of 82F. Winds less than 5 mph.
Thursday Night
nt_partlycloudy Clear. Low of 50F. Winds less than 5 mph.
Friday
partlycloudy Partly cloudy. High of 77F. Winds less than 5 mph.
Friday Night
nt_partlycloudy Partly cloudy. Low of 48F. Winds less than 5 mph.
Saturday
partlycloudy Clear. High of 75F. Winds less than 5 mph.
Saturday Night
nt_clear Clear. Low of 46F. Winds less than 5 mph.
Sunday
clear Clear. High of 82F. Winds less than 5 mph.
Sunday Night
nt_clear Clear. Low of 46F. Winds less than 5 mph.
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Nowcast
Severe Thunderstorm Watch 328 in effect until 10 PM MDT this evening...

Helena Weather Forecast

View Calendar 10-Day Forecast for Helena Weather Station KBTM

Wednesday, 19
Chance of a Thunderstorm
73 | 39 °F
Chance of T-storms
Chance of
Precipitation
70%
Thursday, 20
Chance of a Thunderstorm
57 | 39 °F
Chance of T-storms
Chance of
Precipitation
30%
Friday, 21
Chance of a Thunderstorm
59 | 41 °F
Chance of T-storms
Chance of
Precipitation
40%
Saturday, 22
Chance of a Thunderstorm
59 | 37 °F
Chance of T-storms
Chance of
Precipitation
50%
Sunday, 23
Clear
72 | 43 °F
Clear
Chance of
Precipitation
0%
Monday, 24
Chance of a Thunderstorm
70 | 45 °F
Chance of a Thunderstorm
Chance of
Precipitation
20%
Tuesday, 25
Partly Cloudy
77 | 50 °F
Partly Cloudy
Chance of
Precipitation
0%
Wednesday, 26
Partly Cloudy
75 | 43 °F
Partly Cloudy
Chance of
Precipitation
0%
Thursday, 27
Clear
82 | 50 °F
Clear
Chance of
Precipitation
0%
Friday, 28
Partly Cloudy
77 | 48 °F
Partly Cloudy
Chance of
Precipitation
0%
Source: BestForecast at 1:53 PM MDT on June 19, 2013
Descriptive Forecast
Wednesday
chancetstorms Mostly cloudy with a chance of a thunderstorm and a chance of rain, then a chance of a thunderstorm and rain showers in the afternoon. High of 73F. Winds from the SW at 10 to 15 mph. Chance of rain 70%.
Wednesday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and rain showers in the evening, then partly cloudy with a chance of rain. Low of 39F. Breezy. Winds from the SW at 10 to 20 mph. Chance of rain 70%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 46 | 45 61 | 45 66 | 43 48 | 41
Wind 11 mph West 11 mph South 17 mph SW 11 mph SW
Humidity 93% 56% 42% 73%
Chance of Precip. 40% 60% 70% 70%
Cloud Cover 59% 67% 100% 55%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm Chance of Rain
Sunrise & Sunset
5:34 AM
9:24 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.46], Average RMSE [3.11]
The National Weather Service forecast quality is good. MaxT RMSE [2.07], Average RMSE [3.01] : Use NWS
Source: BestForecast at 1:53 PM MDT on June 19, 2013
Descriptive Forecast
Thursday
chancetstorms Partly cloudy with a chance of rain, then a chance of a thunderstorm and a chance of rain in the afternoon. High of 57F. Winds from the WSW at 5 to 20 mph with gusts to 30 mph. Chance of rain 30%.
Thursday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm and a chance of rain, then a chance of rain after midnight. Low of 39F. Winds from the West at 5 to 20 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 43 | 34 52 | 30 55 | 28 45 | 34
Wind 9 mph SW 18 mph West 15 mph WNW 7 mph WSW
Humidity 70% 41% 34% 64%
Chance of Precip. 70% 30% 30% 30%
Cloud Cover 47% 62% 80% 75%
Conditions Chance of Rain Chance of a Thunderstorm Chance of a Thunderstorm Chance of Rain
Sunrise & Sunset
5:34 AM
9:25 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.06], Average RMSE [2.88]
The National Weather Service forecast quality is good. MaxT RMSE [2.36], Average RMSE [3.21] : Use NWS
Source: BestForecast at 1:53 PM MDT on June 19, 2013
Descriptive Forecast
Friday
chancetstorms Mostly cloudy with a chance of rain, then a chance of a thunderstorm and a chance of rain in the afternoon. High of 59F. Winds from the West at 5 to 20 mph. Chance of rain 40%.
Friday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and rain, then a chance of rain after midnight. Low of 41F. Winds from the NW at 5 to 15 mph. Chance of rain 50%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 39 | 32 54 | 32 54 | 32 46 | 37
Wind 7 mph WSW 16 mph West 14 mph WNW 5 mph NNW
Humidity 77% 44% 42% 69%
Chance of Precip. 40% 40% 40% 20%
Cloud Cover 43% 64% 79% 100%
Conditions Chance of Rain Chance of a Thunderstorm Chance of a Thunderstorm Chance of Rain
Sunrise & Sunset
5:34 AM
9:25 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.78], Average RMSE [3.06]
The National Weather Service forecast quality is fair. MaxT RMSE [2.76], Average RMSE [3.84] : Use NWS
Source: BestForecast at 1:53 PM MDT on June 19, 2013
Descriptive Forecast
Saturday
chancetstorms Overcast with a chance of rain, then a chance of a thunderstorm and rain in the afternoon. High of 59F. Winds from the WNW at 5 to 10 mph. Chance of rain 50%.
Saturday Night
nt_chancerain Overcast with a chance of a thunderstorm and rain in the evening, then clear with a chance of rain. Low of 37F. Winds from the West at 5 to 10 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 43 | 37 54 | 36 57 | 36 43 | 36
Wind 4 mph NW 4 mph WNW 8 mph WNW 4 mph West
Humidity 80% 49% 43% 74%
Chance of Precip. 30% 20% 20% 20%
Cloud Cover 100% 98% 99% 13%
Conditions Chance of Rain Chance of a Thunderstorm Chance of a Thunderstorm Chance of Rain
Sunrise & Sunset
5:34 AM
9:25 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.90], Average RMSE [3.20]
The National Weather Service forecast quality is fair. MaxT RMSE [2.66], Average RMSE [3.41] : Use NWS
Source: BestForecast at 1:53 PM MDT on June 19, 2013
Descriptive Forecast
Sunday
clear Partly cloudy in the morning, then clear. High of 72F. Winds less than 5 mph.
Sunday Night
nt_chancerain Partly cloudy with a chance of rain. Low of 43F. Winds less than 5 mph. Chance of rain 50%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 41 | 34 66 | 34 66 | 41 57 | 43
Wind 4 mph West 3 mph SW 3 mph WSW 1 mph SSE
Humidity 74% 29% 37% 57%
Chance of Precip. 10% 0% 20% 20%
Cloud Cover 66% 19% 18% 12%
Conditions Mostly Cloudy Clear Chance of Rain Chance of Rain
Sunrise & Sunset
5:35 AM
9:25 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.69], Average RMSE [3.66]
The National Weather Service forecast quality is fair. MaxT RMSE [3.03], Average RMSE [3.76] : Use NWS
Source: BestForecast at 1:53 PM MDT on June 19, 2013
Descriptive Forecast
Monday
mostlycloudy Mostly cloudy with a chance of a thunderstorm. High of 70F. Winds less than 5 mph. Chance of rain 20%.
Monday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 45F. Winds from the WSW at 5 to 10 mph. Chance of rain 40% with rainfall amounts near 0.3 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 45 | 39 68 | 39 64 | 48 55 | 46
Wind 4 mph WSW 6 mph SSW 6 mph WSW 5 mph WSW
Humidity 80% 32% 55% 70%
Chance of Precip. 10% 10% 30% 20%
Cloud Cover 55% 92% 92% 88%
Conditions Partly Cloudy Overcast Chance of a Thunderstorm Chance of Rain
Sunrise & Sunset
5:35 AM
9:25 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.30], Average RMSE [4.23]
The National Weather Service forecast quality is fair. MaxT RMSE [3.31], Average RMSE [4.28] : Use NWS
Source: BestForecast at 1:53 PM MDT on June 19, 2013
Descriptive Forecast
Tuesday
partlycloudy Partly cloudy. High of 77F. Winds from the SW at 5 to 15 mph.
Tuesday Night
nt_partlycloudy Partly cloudy. Low of 50F. Winds from the SW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 50 | 43 63 | 41 72 | 45 57 | 45
Wind 5 mph WSW 14 mph SW 13 mph SW 6 mph WSW
Humidity 77% 46% 36% 61%
Chance of Precip. 10% 0% 10% 10%
Cloud Cover 21% 72% 77% 55%
Conditions Clear Mostly Cloudy Mostly Cloudy Partly Cloudy
Sunrise & Sunset
5:35 AM
9:25 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.01], Average RMSE [4.39]
The National Weather Service forecast quality is poor. MaxT RMSE [4.29], Average RMSE [4.47] : Use NWS
Source: BestForecast at 1:53 PM MDT on June 19, 2013
Descriptive Forecast
Wednesday
partlycloudy Partly cloudy. High of 75F. Breezy. Winds from the WSW at 10 to 20 mph.
Wednesday Night
nt_partlycloudy Clear. Low of 43F. Winds from the WNW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 50 | 45 75 | 41 75 | 39 57 | 43
Wind 7 mph SW 19 mph WSW 13 mph West 4 mph NW
Humidity 83% 30% 27% 56%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 28% 93% 77%
Conditions Clear Partly Cloudy Overcast Mostly Cloudy
Sunrise & Sunset
5:36 AM
9:25 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.70], Average RMSE [4.95]
Source: BestForecast at 1:53 PM MDT on June 19, 2013
Descriptive Forecast
Thursday
clear Clear. High of 82F. Winds less than 5 mph.
Thursday Night
nt_partlycloudy Clear. Low of 50F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 43 | 39 70 | 39 79 | 39 63 | 41
Wind 3 mph West 4 mph WSW 6 mph West 3 mph NW
Humidity 90% 32% 24% 47%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 1% 7% 14% 27%
Conditions Clear Clear Clear Partly Cloudy
Sunrise & Sunset
5:36 AM
9:25 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.84], Average RMSE [5.11]
Source: BestForecast at 1:53 PM MDT on June 19, 2013
Descriptive Forecast
Friday
partlycloudy Partly cloudy. High of 77F. Winds less than 5 mph.
Friday Night
nt_partlycloudy Partly cloudy. Low of 48F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 52 | 45 77 | 45 77 | 46 61 | 45
Wind 3 mph West 4 mph West 6 mph West 2 mph NW
Humidity 73% 31% 31% 54%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 14% 24% 35% 30%
Conditions Clear Clear Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:37 AM
9:25 PM
Source: BestForecast at 1:53 PM MDT on June 19, 2013
Descriptive Forecast
Saturday
partlycloudy Clear. High of 75F. Winds less than 5 mph.
Saturday Night
nt_clear Clear. Low of 46F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 48 | 45 75 | 39 75 | 32 59 | 37
Wind 2 mph WSW 4 mph West 6 mph WNW 2 mph NW
Humidity 82% 25% 20% 44%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 25% 21% 17% 12%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
Sun does not rise
Source: BestForecast at 1:53 PM MDT on June 19, 2013
Descriptive Forecast
Sunday
clear Clear. High of 82F. Winds less than 5 mph.
Sunday Night
nt_clear Clear. Low of 46F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 48 | 43 77 | 37 77 | 32 64 | 36
Wind 3 mph WSW 4 mph West 5 mph West 4 mph North
Humidity 80% 23% 19% 34%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 8% % % %
Conditions Clear Clear Clear Clear
Sunrise & Sunset
Sun does not rise
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
Weather History & Almanac
June 19, 2013 Max Temp Min Temp
Normal (KHLN) 77 °F 49 °F
Record (KHLN) 93 °F (1988) 36 °F (1972)
Yesterday 86 °F 52 °F
Yesterday's Cooling Degree Days: 4
Weather History for Helena, MT
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
More information at USGS.gov
Astronomy
Jun. 19, 2013 Rise Set
Actual Time 5:34 AM MDT 9:24 PM MDT
Civil Twilight 4:54 AM MDT 10:04 PM MDT
Nautical Twilight 4:01 AM MDT 10:57 PM MDT
Astronomical Twilight 2:42 AM MDT 12:16 AM MDT
Moon 5:12 PM MDT 2:33 AM MDT
Length Of Visible Light 17h 09m
Length of Day
15h 50m
Tomorrow will be 0m 4s longer.
Waxing Gibbous, 82% of the Moon is Illuminated
Today
Waxing Gibbous
Jun 23
Full
Jun 29
Last Quarter
Jul 8
New
Jul 15
First Quarter
Visit Astronomy
Today's Extremes
State Highs State Lows
89 °F
Miles City
87 °F
Glendive
87 °F
Jordan
86 °F
Sidney-Richland
84 °F
Wolf Point
41 °F
West Yellowstone
45 °F
Butte
48 °F
Lewistown
50 °F
Bozeman
50 °F
Livingston
Record Extremes
Snow Depth
Station Depth Elevation
Copper Camp 0 in 6950 ft
Stringer Creek 0 in 6550 ft
North Fork Elk Creek 0 in 6250 ft
Lubrecht Flume 0 in 4680 ft
Barker Lakes 0 in 8250 ft
Snow Depth Reports — Snow Depth Map
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Travel & Activities
Travel Planning
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Aviation
City Temp. Conditions Updated
Helena 73 °F Clear 2:53 PM MDT
Butte 61 °F Partly Cloudy 2:53 PM MDT
Drummond This station is not reporting.
Great Falls 73 °F Overcast 2:53 PM MDT
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Flight To ETA Status
No flights were found.
Flight Tracker by FlightAware FlightAware
View U.S. Airport Delays
Type Condition
Flight Rule: VFR (KBTM)
Wind Speed: 17.0 kts.
Wind Dir: 300° (WNW)
Ceiling: Unlimited

METAR KBTM 192053Z AUTO 30017G28KT 10SM FEW110 16/05 A2973 RMK AO2 PK WND 30030/2009 LTG DSNT SW AND W SLP029 T01610050 53010

View all Reports & Maps
Nearby Events
Event Date Forecast
No events within 10 mi of location. View all events.
Event data courtesy eviesays.com
Sports
Event Date Forecast
Dodgers vs. Yankees 1:05 PM EDT on June 19, 2013 Clear, 74 °F
Orioles vs. Tigers 1:08 PM EDT on June 19, 2013 Clear, 72 °F
Event Date Forecast
Almería vs. Girona 8:00 PM CEST on June 19, 2013 Chance of a Thunderstorm, High 80° F/ 27° C
Houston vs. Montreal 8:00 PM EDT on June 19, 2013 Forecast not available.
Event Date Forecast
Toyota/Save Mart 350 12:19 PM PDT on June 23, 2013 Clear, 70 °F
Quaker State 400 7:45 PM EDT on June 29, 2013 Average High 84° F/ 28° C
Event Date Forecast
Travelers Championship 8:30 AM EDT on June 20, 2013 Clear, 58 °F
Travelers Championship 8:30 AM EDT on June 21, 2013 Clear, 58 °F
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Helena Weather Stations
Station Location Temp. Heat Index Dew Point Humidity Wind Precipitation Elevation Updated Type Website
APRSWXNET Helena MT , Helena, MT 74 °F 77 °F 55 °F 52% NW  at  4 mph 0.00 in / hr 3735 ft 2:59 PM MDT MADIS
South Central, Helena, MT 75.4 °F 78 °F 54 °F 48% WNW  at  2.5 mph 0.00 in / hr 4088 ft 3:27 PM MDT Rapid Fire  
APRSWXNET Helena M, Helena, MT 74 °F 77 °F 51 °F 44% NW  at  7 mph 0.00 in / hr 3733 ft 3:06 PM MDT MADIS
Diehl Heights, Helena, MT 73.7 °F 77 °F 49 °F 42% SSW  at  3.0 mph 0.00 in / hr 4367 ft 3:24 PM MDT Normal  
Upper South Central, Helena, Mt 69.5 °F - 50 °F 50% NW  at  8.5 mph 0.00 in / hr 4400 ft 3:27 PM MDT Rapid Fire  
York Rd and Farm in the Dell, Helena, MT 75.2 °F 78 °F 52 °F 44% NW  at  6.0 mph 0.00 in / hr 3750 ft 3:26 PM MDT Normal  
West Helena Valley, Fort Harrison, MT 64.8 °F - 47 °F 52% WSW  at  15.0 mph - / hr 3960 ft 3:26 PM MDT Normal
Helena Valley, Helena, MT 75.1 °F 78 °F 59 °F 57% NW  at  12.5 mph 0.00 in / hr 3724 ft 3:27 PM MDT Normal  
Meadowlark Estates, East Helena, MT 72.5 °F 77 °F 52 °F 48% NNW  at  12.0 mph 0.00 in / hr 3980 ft 3:26 PM MDT Normal  
lincoln road east, Helena, MT 72.3 °F 77 °F 52 °F 48% North  at  3.1 mph 0.00 in / hr 3727 ft 3:14 PM MDT Normal  
North Valley, Helena, MT 72.9 °F 77 °F 55 °F 53% NNE  at  5.6 mph 0.00 in / hr 3934 ft 3:28 PM MDT Rapid Fire  
Helena North Hills, Helena, MT 74.8 °F 78 °F 56 °F 53% NNW  at  7.8 mph - / hr 3950 ft 3:25 PM MDT Normal  
Saddle Mountain, Montana City, MT 69.9 °F - 53 °F 55% SSW  at  0.0 mph 0.00 in / hr 4760 ft 3:27 PM MDT Rapid Fire
Forest Park Estates, Clancy, MT 72.0 °F - - - NW  at  8.0 mph 0.00 in / hr 4495 ft 3:27 PM MDT Rapid Fire  
Helena National Forest -York Gulch, Helena, MT 75.6 °F 78 °F 56 °F 50% SSW  at  5.2 mph 0.00 in / hr 4229 ft 3:27 PM MDT Rapid Fire
Jefferson City, Jefferson City, MT 77.3 °F 79 °F 55 °F 46% NNE  at  4.0 mph 0.00 in / hr 4640 ft 3:25 PM MDT Normal
MesoWest Sieben I-15 MP 216 , Canyon Creek, MT 68 °F - 57 °F 68% NE  at  8 mph 0.00 in / hr 4199 ft 2:32 PM MDT MADIS
19 MWL, Winston, MT 71.8 °F 77 °F 54 °F 54% NNW  at  14.5 mph 0.00 in / hr 4472 ft 3:27 PM MDT Rapid Fire  
McClellan Creek Road, Montana City, MT 68.0 °F - 42 °F 38% NNW  at  3.1 mph 0.00 in / hr 4780 ft 3:27 PM MDT Rapid Fire  
MesoWest MacDonald Pass US-12 MP 27.9 , Helena, MT 56 °F - 52 °F 87% WNW  at  17 mph 0.00 in / hr 6325 ft 2:45 PM MDT MADIS
MesoWest FROHNER MEADOW , Helena, MT 61 °F - - - North  at  - 0.00 in / hr 6479 ft 2:00 PM MDT MADIS
MesoWest Boulder Hill I-15 MP 170.9 , Jefferson City, MT 64 °F - 46 °F 52% NNE  at  17 mph 0.00 in / hr 6250 ft 2:21 PM MDT MADIS
MesoWest TIZER BASIN , Winston, MT 66 °F - - - North  at  - 0.00 in / hr 6839 ft 2:00 PM MDT MADIS
MesoWest ROCKER PEAK , Basin, MT 60 °F - - - North  at  - 0.00 in / hr 8000 ft 2:00 PM MDT MADIS
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Severe Thunderstorm Watch
Mobile & Email Alerts Statement as of 3:05 PM MDT on June 19, 2013

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
central and north central Montana

* effective this Wednesday afternoon and evening from 305 PM
until 1000 PM MDT.

* Primary threats include...
several large hail events with a few very large hail events to 2
    inches in diameter possible
several damaging wind gusts to 70 mph possible
a few tornadoes possible

The Severe Thunderstorm Watch area is approximately along and 90
statute miles east and west of a line from 40 miles northeast of
Cut Bank Montana to 60 miles west southwest of Lewistown Montana.
For a complete depiction of the watch see the associated watch
outline update (wous64 kwns wou8).

Precautionary/preparedness actions...

Remember... a Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings. Severe thunderstorms can and occasionally
do produce tornadoes.


Other watch information... continue... ww 327...

Discussion... convection will increase in coverage/intensity through
the afternoon as surface heating continues along and E of a stalled
front... and in advance of a midlevel trough rotating nnewd from ID.
Steep lapse rates/moderate instability and moderately strong
vertical wind shear will support supercells the next few hours... and
eventual growth into clusters/line segments later this evening.
Large hail and damaging winds will be the main threats... though a
tornado or two cannot be ruled out if a supercell is able to remain
discrete and move along the stalled front.

Aviation... a few severe thunderstorms with hail surface and aloft
to 2 inches. Extreme turbulence and surface wind gusts to 60
knots. A few cumulonimbi with maximum tops to 500. Mean storm
motion vector 19030.


... Thompson

Local Storm Report
Mobile & Email Alerts


06/18/2013 0230 PM

Marysville, Lewis And Clark County.

Hail e0.25 inch, reported by trained spotter.


            Heavy rain with estimated 0.3 inch hail lasting 5
            minutes. Calm wind.




06/18/2013 0320 PM

Lincoln, Lewis And Clark County.

Hail e0.88 inch, reported by trained spotter.


            Raind with nickel size hail for 6 minutes. Calm wind.




06/18/2013 0812 PM

3 miles SW of Craig, Lewis And Clark County.

Hail e0.88 inch, reported by trained spotter.


            Heavy rain and pea size hail with a few larger stones
            to nickel size.




06/18/2013 0812 PM

3 miles SW of Craig, Lewis And Clark County.

Hail e0.88 inch, reported by trained spotter.


            Heavy rain and pea size hail with a few larger stones
            to nickel size.





06/18/2013 0320 PM

Lincoln, Lewis And Clark County.

Hail e0.88 inch, reported by trained spotter.


            Raind with nickel size hail for 6 minutes. Calm wind.





06/18/2013 0320 PM

Lincoln, Lewis And Clark County.

Hail e0.88 inch, reported by trained spotter.


            Raind with nickel size hail for 6 minutes. Calm wind.





06/18/2013 0230 PM

Marysville, Lewis And Clark County.

Hail e0.25 inch, reported by trained spotter.


            Heavy rain with estimated 0.3 inch hail lasting 5
            minutes. Calm wind.





06/17/2013 0915 PM

8 miles ENE of Winston, Broadwater County.

Hail e1.00 inch, reported by public.


            Public reports estimated quarter-sized hail at Goose
            Bay Marina





06/17/2013 0853 PM

2 miles N of Winston, Broadwater County.

Hail e0.25 inch, reported by amateur radio.


            Pea size hail... heavy rain and wind gusts to 53 mph
            about 2 miles north of Winston.




06/17/2013 0853 PM

2 miles N of Winston, Broadwater County.

Thunderstorm wind gust m53 mph, reported by amateur radio.


            Pea size hail... heavy rain and wind gusts to 53 mph
            about 2 miles north of Winston.





06/17/2013 0550 PM

17 miles WNW of Augusta, Lewis And Clark County.

Hail e1.75 inch, reported by public.


            Hail up to Golf balls. Vehicle damage. Roof damage to
            metal roofs.




06/17/2013 0550 PM

17 miles WNW of Augusta, Lewis And Clark County.

Hail e1.75 inch, reported by public.


            Hail up to Golf balls. Vehicle damage. Roof damage to
            metal roofs.





06/17/2013 0550 PM

17 miles WNW of Augusta, Lewis And Clark County.

Hail e1.75 inch, reported by public.


            Hail up to Golf balls. Vehicle damage. Roof damage to
            metal roofs.



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