Fort Harrison, MT

3:29 AM MST on February 11, 2012 (GMT -0700)
Elev: 3973 ft
Lon: 112.1° W
Lat: 46.6° N
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Tropical Weather: Tropical Cyclone Giovanna (South Indian Ocean) Tropical Cyclone Jasmine (Southern Pacific)
Weather Summary
Weather Underground Forecast for Saturday, February 11, 2012.

Precipitation will spread across the East Coast on Saturday, while more rain and mountain snow showers are anticipated for parts of the West. A trough of low pressure and associated cold front continue moving eastward across the Eastern Valleys into the Eastern Seaboard. Cool temperatures to the north will allow for snow showers to develop across the Northeast and New England, while rain showers are likely over the Mid-Atlantic states. Rain showers over the Southeastern states should wind down in the early morning hours as the tail end of the system pushes offshore early in the day. Expect the New York metropolitan area to see 1 to 3 inches of snow, while the Washington D.C. area will see a messy combination of snow and freezing rain as high temperatures reach into the lower 40s.

Behind this system, a ridge of high pressure continues to build in from the Plains, pushing cold and dry air in from Canada. This allows for plenty of sunshine to spread from the Plains over the Mississippi River Valley and into the Eastern Valleys. Expect the Northern Plains and Upper Midwest to see highs in the teens again, while the Midwest will see highs in the 20s. Strong winds will accompany this system, pushing windchill values below zero in these areas. The Southern Plains will remain in the 40s on Saturday.

Out West, a trough of low pressure pushes a cold front over the Pacific Northwest and continues pulling moisture onshore with it. This will kick up more rain showers with high elevation snow showers likely in the Cascades. The tail end of the frontal boundary will sweep through California, bringing light rain showers to the coasts and interior valleys. Expect light snow showers in the Sierra Nevadas by Saturday evening.
Weather Underground Forecast for Saturday, February 11, 2012.

Precipitation will spread across the East Coast on Saturday, while more rain and mountain snow showers are anticipated for parts of the West. A trough of low pressure and associated cold front continue moving eastward across the Eastern Valleys into the Eastern Seaboard. Cool temperatures to the north will allow for snow showers to develop across the Northeast and New England, while rain showers are likely over the Mid-Atlantic states. Rain showers over the Southeastern states should wind down in the early morning hours as the tail end of the system pushes offshore early in the day. Expect the New York metropolitan area to see 1 to 3 inches of snow, while the Washington D.C. area will see a messy combination of snow and freezing rain as high temperatures reach into the lower 40s.

Behind this system, a ridge of high pressure continues to build in from the Plains, pushing cold and dry air in from Canada. This allows for plenty of sunshine to spread from the Plains over the Mississippi River Valley and into the Eastern Valleys. Expect the Northern Plains and Upper Midwest to see highs in the teens again, while the Midwest will see highs in the 20s. Strong winds will accompany this system, pushing windchill values below zero in these areas. The Southern Plains will remain in the 40s on Saturday.

Out West, a trough of low pressure pushes a cold front over the Pacific Northwest and continues pulling moisture onshore with it. This will kick up more rain showers with high elevation snow showers likely in the Cascades. The tail end of the frontal boundary will sweep through California, bringing light rain showers to the coasts and interior valleys. Expect light snow showers in the Sierra Nevadas by Saturday evening.
Fort Harrison Weather at a Glance
Updated 3:29 AM MST
Weather Station - report
Elevation
4023 ft
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Now
Light Snow
Light Snow Mist
Temperature
19.9 °F
Feels Like 20 °F
Wind(mph)
2.3
Sunrise / Set
7:38 AM
5:46 PM
Moon
Waning Gibbous
Tonight
Snow 16 °F
Snow
100% chance of precipitation
Saturday
Chance of Snow 32 °F
Chance of Snow
40% chance of precipitation
Saturday Night
Chance of Snow 20 °F
Chance of Snow
30% chance of precipitation
Sunday
Chance of Snow 40 | 20 °F
Chance of Snow
20% chance of precipitation
Monday
Chance of Snow 40 | 22 °F
Chance of Snow
20% chance of precipitation
Tuesday
Chance of Snow 36 | 20 °F
Chance of Snow
20% chance of precipitation
Today is forecast to be Warmer than yesterday.
Conditions
Pressure
30.13 in
Visibility
6.0 miles
Clouds
Overcast 6500 ft
Moisture
Humidity
76%
Rainfall
0.00 in
Snow Depth
31 in
METAR
METAR KHLN 110953Z AUTO 29004KT 6SM -SN BR OVC065 M08/M10 A3024 RMK AO2 SLP312 P0000 T10781100
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Weather Radio
Temperature
Windchill
20 °F
Dew Point
14 °F
Wind
Speed / Dir
2.3 mph from SW
Wind Gust
2.3 mph
Health
UV
0.1 out of 16
Pollen
.10 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
Local Activity
View Flu Map
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Regional Forecast for Central and Southern Lewis and Clark
Today
chancesnow Mostly cloudy with a 50 percent chance of snow. Highs 25 to 30. Southeast winds up to 5 mph.
Tonight
nt_chancesnow Mostly cloudy with a 40 percent chance of snow showers. Lows around 20. Southwest winds up to 10 mph.
Sunday
chancesnow Mostly cloudy with a 20 percent chance of snow showers. Highs 30 to 40. West winds up to 10 mph.
Sunday Night
nt_chancesnow Increasing clouds. A 20 percent chance of snow showers. Lows 20 to 25. Southwest winds 5 to 15 mph.
Monday
chancesnow Partly cloudy with a 20 percent chance of snow showers. Highs 30 to 40. West winds up to 10 mph.
Monday Night
nt_chancesnow Mostly cloudy with a 20 percent chance of snow showers. Lows 15 to 25.
Tuesday through Wednesday
chancesnow Mostly cloudy with a 50 percent chance of snow showers. Highs 30 to 40. Lows 15 to 25.
Wednesday Night
nt_chancesnow Mostly cloudy with a 20 percent chance of snow showers. Lows 20 to 25.
Thursday
chancesnow Mostly cloudy with a 40 percent chance of snow showers. Highs 30 to 40.
Thursday Night
nt_chancesnow Mostly cloudy with a 50 percent chance of snow showers. Lows 20 to 25.
Friday
chancesnow Mostly cloudy with a 20 percent chance of snow showers. Highs 35 to 40.
Source: NWS at 3:20 am MST on February 11, 2012
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Nowcast
Winter Weather Advisory in effect until 5 am MST early this morning...
Forecast
View Calendar 7-Day Weather Forecast for 59636
Saturday, 11
Chance of Snow
32 | 20 °F
Chance of Snow
Chance of
Precipitation
40%
Sunday, 12
Chance of Snow
40 | 20 °F
Chance of Snow
Chance of
Precipitation
20%
Monday, 13
Chance of Snow
40 | 22 °F
Chance of Snow
Chance of
Precipitation
20%
Tuesday, 14
Chance of Snow
36 | 20 °F
Chance of Snow
Chance of
Precipitation
20%
Wednesday, 15
Chance of Snow
34 | 22 °F
Chance of Snow
Chance of
Precipitation
20%
Thursday, 16
Chance of Snow
34 | 22 °F
Chance of Snow
Chance of
Precipitation
20%
Friday, 17
Chance of Snow
36 | NA
Chance of Snow
Chance of
Precipitation
20%
Source: NWS at 3:20 am MST on February 11, 2012
Regional Forecast for Central and Southern Lewis and Clark
Today
chancesnow Mostly cloudy with a 50 percent chance of snow. Highs 25 to 30. Southeast winds up to 5 mph.
Tonight
nt_chancesnow Mostly cloudy with a 40 percent chance of snow showers. Lows around 20. Southwest winds up to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 16 | 13 26 | 13 29 | 13 24 | 15
Wind 2 mph North 3 mph NE 1 mph East 0 mph SSE
Humidity 83% 59% 51% 68%
Chance of Precip. 100% 40% 40% 30%
Cloud Cover 71% 67% 64% 65%
Conditions Chance of Snow Chance of Snow Chance of Snow Chance of Snow
Sunrise & Sunset
7:38 AM
5:46 PM
Source: NWS at 3:20 am MST on February 11, 2012
Regional Forecast for Central and Southern Lewis and Clark
Sunday
chancesnow Mostly cloudy with a 20 percent chance of snow showers. Highs 30 to 40. West winds up to 10 mph.
Sunday Night
nt_chancesnow Increasing clouds. A 20 percent chance of snow showers. Lows 20 to 25. Southwest winds 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 22 | 15 35 | 22 37 | 21 26 | 17
Wind 5 mph West 7 mph West 5 mph SW 4 mph WSW
Humidity 75% 55% 53% 66%
Chance of Precip. 30% 20% 20% 20%
Cloud Cover 64% 61% 50% 50%
Conditions Chance of Snow Chance of Snow Chance of Snow Chance of Snow
Sunrise & Sunset
7:37 AM
5:48 PM
Source: NWS at 3:20 am MST on February 11, 2012
Regional Forecast for Central and Southern Lewis and Clark
Monday
chancesnow Partly cloudy with a 20 percent chance of snow showers. Highs 30 to 40. West winds up to 10 mph.
Monday Night
nt_chancesnow Mostly cloudy with a 20 percent chance of snow showers. Lows 15 to 25.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 21 | 13 32 | 19 36 | 21 25 | 18
Wind 4 mph SW 2 mph WSW 1 mph West 1 mph West
Humidity 70% 59% 56% 75%
Chance of Precip. 20% 20% 20% 20%
Cloud Cover 58% 58% 66% 66%
Conditions Chance of Snow Chance of Snow Chance of Snow Chance of Snow
Sunrise & Sunset
7:35 AM
5:49 PM
Source: NWS at 3:20 am MST on February 11, 2012
Regional Forecast for Central and Southern Lewis and Clark
Tuesday through Wednesday
chancesnow Mostly cloudy with a 50 percent chance of snow showers. Highs 30 to 40. Lows 15 to 25.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 24 | 16 32 | 19 34 | 21 25 | 15
Wind 1 mph West 2 mph WNW 2 mph WSW 4 mph WSW
Humidity 77% 59% 58% 65%
Chance of Precip. 20% 20% 20% 10%
Cloud Cover 63% 63% 55% 55%
Conditions Chance of Snow Chance of Snow Partly Cloudy Partly Cloudy
Sunrise & Sunset
7:34 AM
5:51 PM
Source: NWS at 3:20 am MST on February 11, 2012
Regional Forecast for Central and Southern Lewis and Clark
Tuesday through Wednesday
chancesnow Mostly cloudy with a 50 percent chance of snow showers. Highs 30 to 40. Lows 15 to 25.
Wednesday Night
nt_chancesnow Mostly cloudy with a 20 percent chance of snow showers. Lows 20 to 25.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 23 | 12 30 | 18 33 | 17 25 | 13
Wind 4 mph WSW 2 mph WSW 4 mph West 5 mph WSW
Humidity 64% 61% 52% 60%
Chance of Precip. 10% 20% 20% 10%
Cloud Cover 60% 60% 50% 50%
Conditions Chance of Snow Chance of Snow Partly Cloudy Partly Cloudy
Sunrise & Sunset
7:32 AM
5:52 PM
Source: NWS at 3:20 am MST on February 11, 2012
Regional Forecast for Central and Southern Lewis and Clark
Thursday
chancesnow Mostly cloudy with a 40 percent chance of snow showers. Highs 30 to 40.
Thursday Night
nt_chancesnow Mostly cloudy with a 50 percent chance of snow showers. Lows 20 to 25.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 23 | 14 30 | 18 33 | 16 25 | 16
Wind 4 mph SW 4 mph WSW 5 mph SW 5 mph WSW
Humidity 66% 60% 51% 66%
Chance of Precip. 10% 20% 20% 20%
Cloud Cover 56% 56% 55% 55%
Conditions Chance of Snow Chance of Snow Chance of Snow Chance of Snow
Sunrise & Sunset
7:32 AM
5:52 PM
Source: NWS at 3:20 am MST on February 11, 2012
Regional Forecast for Central and Southern Lewis and Clark
Friday
chancesnow Mostly cloudy with a 20 percent chance of snow showers. Highs 35 to 40.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 23 | 15 30 | 19 33 | 16 25 | 16
Wind 6 mph WSW 5 mph WSW 5 mph SW 5 mph WSW
Humidity 72% 64% 51% 66%
Chance of Precip. 20% 20% 20% 20%
Cloud Cover 61% 61% 55% 55%
Conditions Chance of Snow Chance of Snow Chance of Snow Chance of Snow
Sunrise & Sunset
7:32 AM
5:52 PM
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Nearby
History & Almanac
February 11, 2012 Max Temp Min Temp
Normal (KHLN) 36 °F 15 °F
Record (KHLN) 65 °F (1961) -29 °F (1905)
Yesterday 29 °F 18 °F
Yesterday's Heating Degree Days: 41
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Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
Astronomy
Feb. 11, 2012 Rise Set
Actual Time 7:38 AM MST 5:46 PM MST
Civil Twilight 7:07 AM MST 6:18 PM MST
Nautical Twilight 6:31 AM MST 6:53 PM MST
Astronomical Twilight 5:56 AM MST 7:29 PM MST
Moon 11:02 PM MST 9:03 AM MST
Length Of Visible Light 11h 10m
Length of Day
10h 07m
Tomorrow will be 3m 2s longer.
Waning Gibbous, 84% of the Moon is Illuminated
Today
Waning Gibbous
Feb 14
Last Quarter
Feb 21
New
Feb 29
First Quarter
Mar 8
Full
Today's Extremes
State Highs State Lows
32 °F
Missoula
30 °F
Kalispell
21 °F
Butte
19 °F
Dillon
-13 °F
Sidney-Richland
-9 °F
Glendive
-9 °F
Jordan
-8 °F
Baker
-8 °F
Wolf Point
Source: NWS
Snow Depth
Station Depth Elevation
Frohner Meadow 31 in 6480 ft
Tizer Basin 32 in 6840 ft
Nevada Ridge 50 in 7020 ft
Boulder Mountain 53 in 7950 ft
Copper Bottom 24 in 5200 ft
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Travel & Activities
Travel Planning
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Aviation
City Temp. Conditions Updated
Helena 18 °F Light Snow Mist 2:53 AM MST
Butte 18 °F Overcast 2:53 AM MST
Drummond This station is not reporting.
Great Falls 4 °F Clear 2:53 AM MST
Flight To ETA Status
No flights were found.
Flight Tracker by FlightAware FlightAware
Type Condition
Flight Rule: VFR (KHLN)
Wind Speed: 4.0 kts.
Wind Dir: 225° (SW)
Ceiling: 6500 ft

METAR KHLN 110953Z AUTO 29004KT 6SM -SN BR OVC065 M08/M10 A3024 RMK AO2 SLP312 P0000 T10781100

Nearby Events
Event Date Forecast
Property Mgmt Pre-License Course - Helena 8:00 AM MST 2012-02-13 Chance of Snow, 25°F
Event data courtesy eviesays.com
Sports
Event Date Forecast
Budweiser Shootout 8:29 PM EST on February 18, 2012 Average High 71° F/ 21° C
Gatorade Duel 1 2:19 PM EST on February 23, 2012 Average High 70° F/ 21° C
Event Date Forecast
AT&T Pebble Beach National Pro-Am 8:30 AM PST on February 11, 2012 Chance of Rain, 45 °F
AT&T Pebble Beach National Pro-Am 8:30 AM PST on February 12, 2012 Mostly Cloudy, 45 °F
Weather Stations
Station Location Temp. Windchill Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Helena West Side, Helena, MT 19.9 °F 20 °F 14 °F 76% SW  at  2.3 mph 0.00 in / hr 4023 ft 3:29 AM MST Rapid Fire  
South Central, Helena, MT 19.4 °F 19 °F 15 °F 82% NNW  at  0.2 mph 0.00 in / hr 4120 ft 3:10 AM MST Rapid Fire  
Upper South Central, Helena, Mt 17.3 °F 17 °F 12 °F 78% WNW  at  0.4 mph 0.00 in / hr 4400 ft 3:29 AM MST Rapid Fire  
Diehl Heights, Helena, MT 17.8 °F 18 °F 12 °F 76% West  at  0.0 mph 0.00 in / hr 4367 ft 3:28 AM MST Normal  
APRSWXNET Helena MT , Helena, MT 18 °F 18 °F 13 °F 82% WNW  at  0 mph 0.00 in / hr 3735 ft 2:57 AM MST MADIS
APRSWXNET Helena M, Helena, MT 18 °F 18 °F 16 °F 91% West  at  0 mph 0.00 in / hr 3733 ft 2:56 AM MST MADIS
Montana City, MT Weather, Montana City, MT 15.8 °F 16 °F 12 °F 86% NNE  at  0.0 mph 0.00 in / hr 4347 ft 3:29 AM MST Rapid Fire
lincoln road east, Helena, MT 19.4 °F 19 °F 12 °F 73% North  at  0.0 mph 0.00 in / hr 3717 ft 3:27 AM MST Normal  
York Rd and Farm in the Dell, Helena, MT 17.6 °F 18 °F 14 °F 86% North  at  0.0 mph 0.00 in / hr 3750 ft 3:26 AM MST Normal  
North Helena Valley, Helena, MT 18.5 °F 18 °F 13 °F 80% North  at  0.0 mph 0.00 in / hr 3821 ft 3:10 AM MST Rapid Fire  
RAWS HELENA MT, Helena, MT 19 °F 19 °F 11 °F 69% North  at  1 mph 0.00 in / hr 3799 ft 2:53 AM MST MADIS
Saddle Mountain, Montana City, MT 15.4 °F 15 °F 10 °F 80% NNE  at  0.0 mph 0.00 in / hr 4760 ft 3:29 AM MST Rapid Fire
McClellan Creek Road, Montana City, MT 14.7 °F 15 °F 8 °F 75% North  at  0.0 mph 0.00 in / hr 4780 ft 3:29 AM MST Rapid Fire  
Jefferson City, Jefferson City, MT 16.5 °F 16 °F 11 °F 80% NE  at  0.0 mph 0.00 in / hr 4640 ft 3:25 AM MST Normal
Montana Learning Center, Helena, MT 17.5 °F 18 °F 15 °F 90% North  at  0.0 mph 0.00 in / hr 3878 ft 3:29 AM MST Rapid Fire
Helena National Forest -York Gulch, Helena, MT 17.7 °F 18 °F 15 °F 88% NW  at  0.0 mph 0.00 in / hr 4229 ft 3:28 AM MST Rapid Fire
MesoWest Sieben I-15 MP 216 , Canyon Creek, MT 18 °F 10 °F 12 °F 76% NE  at  6 mph 0.00 in / hr 4199 ft 2:49 AM MST MADIS
19 MWL, Winston, MT 16.9 °F 17 °F 14 °F 87% NNW  at  2.5 mph 0.00 in / hr 4472 ft 3:29 AM MST Rapid Fire  
MesoWest MacDonald Pass US-12 MP 27.9 , Helena, MT 14 °F 1 °F 12 °F 91% ESE  at  10 mph 0.00 in / hr 6325 ft 2:45 AM MST MADIS
MesoWest FROHNER MEADOW , Helena, MT 14 °F 14 °F - - North  at  - 0.00 in / hr 6479 ft 2:00 AM MST MADIS
MesoWest Boulder Hill I-15 MP 170.9 , Jefferson City, MT 13 °F 4 °F 9 °F 86% NNE  at  6 mph 0.00 in / hr 6250 ft 2:21 AM MST MADIS
MesoWest TIZER BASIN , Winston, MT 16 °F 16 °F - - North  at  - 0.00 in / hr 6839 ft 2:00 AM MST MADIS
MesoWest ROCKER PEAK , Basin, MT 16 °F 16 °F - - North  at  - 0.00 in / hr 8000 ft 1:00 AM MST MADIS
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Winter Weather Advisory
Mobile & Email Alerts Statement as of 9:29 PM MST on February 10, 2012

... Winter Weather Advisory remains in effect until 5 am MST
Saturday...

A Winter Weather Advisory remains in effect until 5 am MST
Saturday.

* Timing and main impact: light snow will continue over central
and southwest Montana tonight... diminishing to flurries by
Saturday morning.

* Snow accumulations: new snow accumulation up to an inch is possible
tonight with total snow accumulations of 2 to 4 inches at lower
elevations and 4 to 8 inches in the mountains. Little or no new
snow accumulation is expected on the north central Montana
plains.

* Visibility: visibilities will be reduced to less than one
mile at times in areas of falling snow.

* Other impacts: untreated roadways will remain snow or ice
covered and hazardous through Saturday morning.

* Locations affected include: much of central and southwest
Montana.

Precautionary/preparedness actions...

A Winter Weather Advisory for snow means that periods of snow
will cause primarily travel difficulties. Be prepared for snow
covered roads and limited visibilities... and use caution while
driving.

For specific Road and travel conditions in Montana... dial 5 1 1.





Local Storm Report


02/10/2012 0814 PM

Helena, Lewis And Clark County.

Snow m3.1 inch, reported by trained spotter.






02/10/2012 0500 PM

1 miles NW of Townsend, Broadwater County.

Snow m2.3 inch, reported by co-op observer.






02/10/2012 0710 PM

3 miles NNW of Martinsdale, Meagher County.

Snow m2.9 inch, reported by co-op observer.






02/10/2012 0725 PM

3 miles N of East Helena, Lewis And Clark County.

Snow m4.5 inch, reported by NWS employee.






02/10/2012 0345 PM

7 miles S of Neihart, Meagher County.

Snow m2.0 inch, reported by public.


            2 inches new snowfall in the last 24 hrs at Kings Hill.





02/10/2012 0342 PM

2 miles se of Montana City, Jefferson County.

Snow m2.1 inch, reported by trained spotter.






02/10/2012 1130 am

2 miles se of Montana City, Jefferson County.

Snow m1.5 inch, reported by public.


            1.5 inches of new snow this morning. Report via
            cocorahs.