Buffalo, SD

6:47 AM MDT on May 21, 2013 (GMT -0600)
Elev: 3110 ft
Lon: 103.7° W
Lat: 45.5° N
Source
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Global: Violent tornado devastates Moore, Oklahoma
Active Advisory: Wind Advisory (US Severe Weather)
News
Recovery Efforts Continue in Deadly Okla. Tornado
May 21, 2013
The search and rescue efforts are ongoing in Moore, Okla. after a massive tornado levelled the town and local schools.
At Least 20 Children Dead at Okla. School
May 21, 2013
More than a dozen children perished in the devastating Moore, Okla. tornado.
Twitter Responds With Prayers for Oklahoma Tornado Victims
May 21, 2013
Twitter responds to the devastation brought by tornadoes Monday in suburban Oklahoma City, offering condolences and prayers for the victims and survivors.
In Their Words: The Oklahoma Tornado Tragedy
May 21, 2013
Our reporters were among the first national media to report from Moore, Okla. shortly after a powerful tornado decimated the town. These are their thoughts as they report from the scene.
'I Expected Chaos:' Scenes from Okla. School
May 21, 2013
A photographer who was among the first to arrive at an Oklahoma Elementary School after a tornado destroyed it, describes the heart-wrenching scene.
In Tornado's Wake, Worried Parents Seek Out Kids
May 21, 2013
A desperate search was underway by parents looking to find children after the massive tornado.
Tornado Took Similar Path to 1999 F5
May 21, 2013
Moore, Oklahoma is no stranger to devastating tornadoes.
Oklahoma Tornado: How to Help
May 20, 2013
The Salvation Army says it is activating disaster response teams and mobile feeding units to help residents and rescuers in Moore.
Moore, Okla. Tornado Timeline
May 21, 2013
On May 20, 2013, a large deadly tornado ripped through the Oklahoma City area. Click to read the timeline of the tornado event
Obama Declares Major Disaster in Oklahoma
May 21, 2013
President Barack Obama has declared a major disaster in Oklahoma as the state recovers from a massive tornado that ripped through the Oklahoma City suburbs Monday, killing dozens and flattening entire neighborhoods.
Photos, Social Media Capture Terror of Okla. Tornadoes
May 20, 2013
Catastrophic tornadoes developed in Oklahoma on Monday. Here are photos and social media reports.
Huge Rock Crashes Into Moon, Sparks Giant Explosion
May 20, 2013
The moon has a new hole on its surface thanks to a boulder that slammed into it in March, creating the biggest explosion scientists have seen on the moon since they started monitoring it.
Deadly Rainstorms Kill 55 in Southern China
May 20, 2013
Chinese authorities say rainstorms that battered southern China this week have killed 55 people and left 14 others missing.
Photos: Deadly Tornado Outbreak Strikes Plains
May 20, 2013
A tornado outbreak struck the Plains states on May 19, 2013, leaving widespread damage in its wake.
Recap: Tornadoes Rake Oklahoma, Kansas, Iowa
May 20, 2013
The weather imagery, video and recap from tornadoes in the Plains on May 19, 2013.
Amazing Nature, Captured
May 20, 2013
These stunning images of nature captured across the globe will change the way you view our world.
Photos: Tornado Devastation in Plains
May 20, 2013
Photos and social media reports of severe weather damage over the weekend in Oklahoma, Iowa and Kansas.
Tornado Hits South of Oklahoma City
May 20, 2013
Continuing coverage of destructive severe weather.
Tornado Hits OKC Suburb, Kicking Up Debris
May 19, 2013
A tornado kicked up debris in an Oklahoma City suburb and threatened a number of tourist attractions on historic Route 66 but there were no immediate reports of injuries or major damage.
Tornado Touches Down in Wichita
May 19, 2013
State emergency officials are monitoring a tornado in the Wichita area.
More News Articles
Weather Summary
Kari Kiefer
Weather Underground Forecast for Tuesday, May 21, 2013.

After a devastating severe weather day in the Plains on Monday, severe weather is expected to fire up again across the nation's mid-section again on Tuesday.

The nearly stationary low over the Northern Plains will gradually weaken as it shifts eastward into the Midwest on Tuesday, while the system's associated cold front trails southwestward from the low across the Mid-Mississippi Valley through the Southern Plains. Favorable energy and conditions ahead of the cold front combined with the moisture laden conditions of the nation's mid-section will set the stage for multiple clusters of thunderstorms to develop from the Midwest into the Ozarks and the Southern Plains. Portions of northeastern Texas, extreme southeastern Oklahoma, central and southern Arkansas, and northwestern Louisiana are at moderate risk of severe thunderstorm activity as environmental conditions remain favorable for tornadoes, damaging wind gusts, and very large hail. Areas surrounding this moderate risk region from the parts of central and eastern Texas into the Upper Great Lakes are at slight risk of severe thunderstorm development with hail, damaging wind gusts, and isolated tornadoes.

Meanwhile, areas of heavy rain and widely scattered showers will continue near the low in the Northern Plains and Upper Mississippi Valley and near and to the north of a nearly stationary frontal boundary extending out ahead of the system from the Great Lakes into the Northeast. Continued precipitation in already saturated areas of the Northern Plains and Upper Midwest will maintain flood concerns from parts of North Dakota into northern Wisconsin.

Elsewhere, scattered showers and thunderstorms are expected to persist in the Mid-Atlantic and southeastern corner of the nation.
Weather Underground Forecast for Tuesday, May 21, 2013.

After a devastating severe weather day in the Plains on Monday, severe weather is expected to fire up again across the nation's mid-section again on Tuesday.

The nearly stationary low over the Northern Plains will gradually weaken as it shifts eastward into the Midwest on Tuesday, while the system's associated cold front trails southwestward from the low across the Mid-Mississippi Valley through the Southern Plains. Favorable energy and conditions ahead of the cold front combined with the moisture laden conditions of the nation's mid-section will set the stage for multiple clusters of thunderstorms to develop from the Midwest into the Ozarks and the Southern Plains. Portions of northeastern Texas, extreme southeastern Oklahoma, central and southern Arkansas, and northwestern Louisiana are at moderate risk of severe thunderstorm activity as environmental conditions remain favorable for tornadoes, damaging wind gusts, and very large hail. Areas surrounding this moderate risk region from the parts of central and eastern Texas into the Upper Great Lakes are at slight risk of severe thunderstorm development with hail, damaging wind gusts, and isolated tornadoes.

Meanwhile, areas of heavy rain and widely scattered showers will continue near the low in the Northern Plains and Upper Mississippi Valley and near and to the north of a nearly stationary frontal boundary extending out ahead of the system from the Great Lakes into the Northeast. Continued precipitation in already saturated areas of the Northern Plains and Upper Midwest will maintain flood concerns from parts of North Dakota into northern Wisconsin.

Elsewhere, scattered showers and thunderstorms are expected to persist in the Mid-Atlantic and southeastern corner of the nation.
More News Articles

Buffalo Weather at a Glance

Updated 6:30 AM MDT
Weather Station
Hettinger (KHEI)
Elevation
2703 ft
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Now
Light Rain
Light Rain Mist
Temperature
43 °F
Feels Like 35 °F
Wind(mph)
15
Sunrise / Set
5:17 AM
8:25 PM
Moon
Waxing Gibbous
Today
Rain Showers 50 °F
Rain Showers
70% chance of precipitation
Tonight
Chance of Rain 39 °F
Chance of Rain
40% chance of precipitation
Tomorrow
Chance of Rain 64 | 36 °F
Chance of Rain
30% chance of precipitation
Thursday
Partly Cloudy 64 | 45 °F
Partly Cloudy
Friday
Partly Cloudy 79 | 48 °F
Partly Cloudy
Saturday
Fog 68 | 55 °F
Fog
Today is forecast to be Cooler than yesterday.
Conditions
Pressure
29.86 in
Visibility
6.0 miles
Clouds
Mostly Cloudy 800 ft
Overcast 1200 ft
Moisture
Humidity
93%
Rainfall
0.07 in
Snow Depth
Not available.
METAR
SPECI KHEI 211230Z AUTO 36013G23KT 6SM -RA BR BKN008 OVC012 06/05 A2986 RMK AO2 P0000
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Weather Radio
Weather Radio Index
Temperature
Windchill
35 °F
Dew Point
41 °F
Wind
Speed / Dir
15 mph from North
Wind Gust
26 mph
Health
UV
0 out of 16
Pollen
.30 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
Sporadic
View Flu Map
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Source: BestForecast
Descriptive Forecast
Tuesday
rain Overcast with rain showers, then a chance of rain in the afternoon. High of 50F. Breezy. Winds from the NNW at 15 to 25 mph with gusts to 30 mph. Chance of rain 70%.
Tuesday Night
nt_chancerain Overcast with a chance of rain. Fog overnight. Low of 39F. Winds from the North at 5 to 20 mph. Chance of rain 40%.
Wednesday
chancerain Overcast with a chance of rain. High of 64F. Breezy. Winds from the NE at 10 to 20 mph. Chance of rain 30%.
Wednesday Night
nt_clear Overcast in the evening, then partly cloudy. Low of 36F. Breezy. Winds from the SSE at 10 to 20 mph.
Thursday
partlycloudy Partly cloudy. Fog early. High of 64F. Breezy. Winds from the SE at 15 to 25 mph with gusts to 30 mph.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 45F. Breezy. Winds from the SE at 20 to 25 mph.
Friday
partlycloudy Partly cloudy. High of 79F. Breezy. Winds from the SSW at 15 to 30 mph.
Friday Night
nt_partlycloudy Overcast with a chance of rain in the evening, then partly cloudy. Fog overnight. Low of 48F. Winds from the North at 5 to 10 mph shifting to the South after midnight.
Saturday
mostlycloudy Overcast. Fog early. High of 68F. Breezy. Winds from the ESE at 15 to 20 mph.
Saturday Night
nt_mostlycloudy Mostly cloudy. Fog overnight. Low of 55F. Breezy. Winds from the ESE at 10 to 20 mph.
Sunday
chancerain Mostly cloudy with a chance of rain. Fog early. High of 68F. Breezy. Winds from the SE at 15 to 20 mph. Chance of rain 40%.
Sunday Night
nt_mostlycloudy Mostly cloudy with a chance of rain. Fog overnight. Low of 50F. Breezy. Winds from the SE at 15 to 20 mph. Chance of rain 20%.
Monday
chancetstorms Overcast with a chance of a thunderstorm. Fog early. High of 70F. Breezy. Winds from the SE at 15 to 20 mph. Chance of rain 40%.
Monday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm. Fog overnight. Low of 52F. Winds from the South at 5 to 20 mph. Chance of rain 50% with rainfall amounts near 0.3 in. possible.
Tuesday
partlycloudy Partly cloudy. High of 79F. Winds from the NNW at 5 to 15 mph.
Tuesday Night
nt_partlycloudy Partly cloudy. Low of 50F. Winds less than 5 mph.
Wednesday
partlycloudy Partly cloudy with a chance of a thunderstorm. High of 88F. Winds less than 5 mph. Chance of rain 20%.
Wednesday Night
nt_partlycloudy Partly cloudy. Low of 50F. Winds from the East at 5 to 10 mph.
Thursday
mostlycloudy Mostly cloudy with a chance of a thunderstorm. High of 70F. Winds less than 5 mph. Chance of rain 20%.
Thursday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm. Low of 48F. Winds less than 5 mph. Chance of rain 30%.
Friday
partlycloudy Clear. High of 68F. Winds less than 5 mph.
Friday Night
nt_clear Clear. Low of 48F. Winds less than 5 mph.
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Nowcast
Wind Advisory in effect until noon MDT today...

Weather Forecast for Buffalo SD

View Calendar 10-Day Forecast for station KHEI

Tuesday, 21
Rain Showers
50 | 39 °F
Rain Showers
Chance of
Precipitation
70%
Wednesday, 22
Chance of Rain
64 | 36 °F
Chance of Rain
Chance of
Precipitation
30%
Thursday, 23
Partly Cloudy
64 | 45 °F
Partly Cloudy
Chance of
Precipitation
10%
Friday, 24
Partly Cloudy
79 | 48 °F
Partly Cloudy
Chance of
Precipitation
0%
Saturday, 25
Fog
68 | 55 °F
Fog
Chance of
Precipitation
0%
Sunday, 26
Chance of Rain
68 | 50 °F
Chance of Rain
Chance of
Precipitation
40%
Monday, 27
Chance of a Thunderstorm
70 | 52 °F
Chance of T-storms
Chance of
Precipitation
40%
Tuesday, 28
Partly Cloudy
79 | 50 °F
Partly Cloudy
Chance of
Precipitation
0%
Wednesday, 29
Chance of a Thunderstorm
88 | 50 °F
Chance of a Thunderstorm
Chance of
Precipitation
20%
Thursday, 30
Chance of a Thunderstorm
70 | 48 °F
Chance of a Thunderstorm
Chance of
Precipitation
20%
Source: BestForecast at 1:41 AM MDT on May 21, 2013
Descriptive Forecast
Tuesday
rain Overcast with rain showers, then a chance of rain in the afternoon. High of 50F. Breezy. Winds from the NNW at 15 to 25 mph with gusts to 30 mph. Chance of rain 70%.
Tuesday Night
nt_chancerain Overcast with a chance of rain. Fog overnight. Low of 39F. Winds from the North at 5 to 20 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 39 | 39 45 | 41 50 | 43 45 | 43
Wind 22 mph NNW 19 mph NNW 17 mph North 9 mph North
Humidity 96% 85% 73% 91%
Chance of Precip. 100% 70% 70% 40%
Cloud Cover 100% 98% 100% 95%
Conditions Rain Showers Chance of Rain Chance of Rain Chance of Rain
Sunrise & Sunset
5:17 AM
8:25 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.96], Average RMSE [2.10]
The National Weather Service forecast quality is good. MaxT RMSE [1.81], Average RMSE [1.78] : Use NWS
Source: BestForecast at 1:41 AM MDT on May 21, 2013
Descriptive Forecast
Wednesday
chancerain Overcast with a chance of rain. High of 64F. Breezy. Winds from the NE at 10 to 20 mph. Chance of rain 30%.
Wednesday Night
nt_clear Overcast in the evening, then partly cloudy. Low of 36F. Breezy. Winds from the SSE at 10 to 20 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 39 | 39 57 | 45 61 | 43 50 | 45
Wind 11 mph NNE 13 mph ENE 16 mph West 11 mph ESE
Humidity 100% 59% 51% 81%
Chance of Precip. 40% 30% 10% 10%
Cloud Cover 86% 84% 91% 31%
Conditions Chance of Rain Chance of Rain Overcast Partly Cloudy
Sunrise & Sunset
5:16 AM
8:26 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.17], Average RMSE [2.33]
The National Weather Service forecast quality is good. MaxT RMSE [2.30], Average RMSE [2.65] : Use NWS
Source: BestForecast at 1:41 AM MDT on May 21, 2013
Descriptive Forecast
Thursday
partlycloudy Partly cloudy. Fog early. High of 64F. Breezy. Winds from the SE at 15 to 25 mph with gusts to 30 mph.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 45F. Breezy. Winds from the SE at 20 to 25 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 37 | 37 55 | 45 59 | 46 54 | 45
Wind 14 mph ESE 23 mph SE 24 mph SE 22 mph SE
Humidity 100% 67% 63% 69%
Chance of Precip. 10% 10% 10% 0%
Cloud Cover 69% 31% 54% 21%
Conditions Fog Partly Cloudy Partly Cloudy Clear
Sunrise & Sunset
5:15 AM
8:27 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.82], Average RMSE [2.53]
The National Weather Service forecast quality is fair. MaxT RMSE [2.61], Average RMSE [2.44] : Use NWS
Source: BestForecast at 1:41 AM MDT on May 21, 2013
Descriptive Forecast
Friday
partlycloudy Partly cloudy. High of 79F. Breezy. Winds from the SSW at 15 to 30 mph.
Friday Night
nt_partlycloudy Overcast with a chance of rain in the evening, then partly cloudy. Fog overnight. Low of 48F. Winds from the North at 5 to 10 mph shifting to the South after midnight.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 45 | 43 64 | 55 73 | 45 48 | 48
Wind 23 mph SE 17 mph South 8 mph NNW 9 mph ESE
Humidity 91% 70% 35% 100%
Chance of Precip. 0% 0% 20% 10%
Cloud Cover 19% 1% 95% 25%
Conditions Clear Clear Chance of Rain Fog
Sunrise & Sunset
5:14 AM
8:28 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.99], Average RMSE [2.21]
The National Weather Service forecast quality is poor. MaxT RMSE [3.74], Average RMSE [3.09] : Use NWS
Source: BestForecast at 1:41 AM MDT on May 21, 2013
Descriptive Forecast
Saturday
mostlycloudy Overcast. Fog early. High of 68F. Breezy. Winds from the ESE at 15 to 20 mph.
Saturday Night
nt_mostlycloudy Mostly cloudy. Fog overnight. Low of 55F. Breezy. Winds from the ESE at 10 to 20 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 52 | 52 63 | 57 66 | 61 59 | 59
Wind 13 mph East 17 mph ESE 17 mph ESE 13 mph SE
Humidity 100% 81% 80% 100%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 93% 92% 94% 68%
Conditions Fog Overcast Overcast Fog
Sunrise & Sunset
5:13 AM
8:29 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.64], Average RMSE [2.68]
The National Weather Service forecast quality is poor. MaxT RMSE [4.58], Average RMSE [3.90] : Use NWS
Source: BestForecast at 1:41 AM MDT on May 21, 2013
Descriptive Forecast
Sunday
chancerain Mostly cloudy with a chance of rain. Fog early. High of 68F. Breezy. Winds from the SE at 15 to 20 mph. Chance of rain 40%.
Sunday Night
nt_mostlycloudy Mostly cloudy with a chance of rain. Fog overnight. Low of 50F. Breezy. Winds from the SE at 15 to 20 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 55 | 55 66 | 59 66 | 61 57 | 57
Wind 14 mph ESE 19 mph SE 19 mph SE 16 mph SE
Humidity 100% 78% 82% 100%
Chance of Precip. 20% 20% 10% 20%
Cloud Cover 80% 89% 98% 100%
Conditions Chance of Rain Chance of Rain Overcast Chance of Rain
Sunrise & Sunset
5:13 AM
8:30 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.49], Average RMSE [4.23]
The National Weather Service forecast quality is poor. MaxT RMSE [5.62], Average RMSE [4.78] : Use NWS
Source: BestForecast at 1:41 AM MDT on May 21, 2013
Descriptive Forecast
Monday
chancetstorms Overcast with a chance of a thunderstorm. Fog early. High of 70F. Breezy. Winds from the SE at 15 to 20 mph. Chance of rain 40%.
Monday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm. Fog overnight. Low of 52F. Winds from the South at 5 to 20 mph. Chance of rain 50% with rainfall amounts near 0.3 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 54 | 54 64 | 64 70 | 66 57 | 57
Wind 15 mph SE 13 mph SE 18 mph SE 8 mph SSE
Humidity 100% 100% 88% 100%
Chance of Precip. 10% 20% 30% 20%
Cloud Cover 91% 92% 100% 100%
Conditions Fog Chance of Rain Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:12 AM
8:31 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.49], Average RMSE [5.04]
The National Weather Service forecast quality is poor. MaxT RMSE [6.15], Average RMSE [5.91] : Use NWS
Source: BestForecast at 1:41 AM MDT on May 21, 2013
Descriptive Forecast
Tuesday
partlycloudy Partly cloudy. High of 79F. Winds from the NNW at 5 to 15 mph.
Tuesday Night
nt_partlycloudy Partly cloudy. Low of 50F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 52 | 52 75 | 52 79 | 48 59 | 52
Wind 7 mph North 9 mph NNW 2 mph NW 4 mph ESE
Humidity 100% 44% 32% 78%
Chance of Precip. 20% 10% 0% 0%
Cloud Cover 57% 89% 100% 93%
Conditions Chance of a Thunderstorm Overcast Overcast Overcast
Sunrise & Sunset
5:11 AM
8:32 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [6.44], Average RMSE [4.33]
Source: BestForecast at 1:41 AM MDT on May 21, 2013
Descriptive Forecast
Wednesday
partlycloudy Partly cloudy with a chance of a thunderstorm. High of 88F. Winds less than 5 mph. Chance of rain 20%.
Wednesday Night
nt_partlycloudy Partly cloudy. Low of 50F. Winds from the East at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 50 | 50 77 | 55 88 | 55 59 | 55
Wind 0 mph East 3 mph ENE 7 mph ENE 4 mph ESE
Humidity 100% 45% 31% 88%
Chance of Precip. 20% 20% 10% 0%
Cloud Cover 5% 39% 48% 57%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:10 AM
8:33 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [6.44], Average RMSE [4.04]
Source: BestForecast at 1:41 AM MDT on May 21, 2013
Descriptive Forecast
Thursday
mostlycloudy Mostly cloudy with a chance of a thunderstorm. High of 70F. Winds less than 5 mph. Chance of rain 20%.
Thursday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm. Low of 48F. Winds less than 5 mph. Chance of rain 30%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 50 | 50 70 | 57 68 | 59 52 | 52
Wind 1 mph North 3 mph NE 7 mph NE 2 mph ESE
Humidity 100% 65% 74% 100%
Chance of Precip. 20% 20% 30% 30%
Cloud Cover 67% 80% 93% 86%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:10 AM
8:34 PM
Source: BestForecast at 1:41 AM MDT on May 21, 2013
Descriptive Forecast
Friday
partlycloudy Clear. High of 68F. Winds less than 5 mph.
Friday Night
nt_clear Clear. Low of 48F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 48 | 48 68 | 45 68 | 39 52 | 37
Wind 3 mph WNW 4 mph North 7 mph NNE 2 mph ENE
Humidity 100% 42% 35% 55%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 78% 44% 9% %
Conditions Fog Partly Cloudy Clear Clear
Sunrise & Sunset
Sun does not rise
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
May 21, 2013 Max Temp Min Temp
Normal (K2WX) 67 °F 43 °F
Record (K2WX) 85 °F (2012) 36 °F (2001)
Yesterday 51 °F 46 °F
Yesterday's Heating Degree Days: 16
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
May. 21, 2013 Rise Set
Actual Time 5:17 AM MDT 8:25 PM MDT
Civil Twilight 4:41 AM MDT 9:01 PM MDT
Nautical Twilight 3:56 AM MDT 9:47 PM MDT
Astronomical Twilight 3:00 AM MDT 10:43 PM MDT
Moon 4:32 PM MDT 2:58 AM MDT
Length Of Visible Light 16h 19m
Length of Day
15h 08m
Tomorrow will be 2m 0s longer.
Waxing Gibbous, 82% of the Moon is Illuminated
Today
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Visit Astronomy
Today's Extremes
State Highs State Lows
57 °F
Aberdeen
57 °F
Yankton
57 °F
Sisseton
55 °F
Sioux Falls
55 °F
Brookings
39 °F
Custer
42 °F
Buffalo
42 °F
Spearfish
42 °F
Rapid City
42 °F
Ellsworth AFB
Record Extremes
Snow Depth
Station Depth Elevation
North Rapid Creek 0 in 6130 ft
Snow Depth Reports — Snow Depth Map
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Aviation
City Temp. Conditions Updated
Buffalo 42 °F N/A 5:56 AM MDT
Bowman This station is not reporting.
Hettinger 43 °F Light Rain Mist 6:30 AM MDT
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Flight To ETA Status
No flights were found.
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Type Condition
Flight Rule: IFR (KHEI)
Wind Speed: 13.0 kts.
Wind Dir: 360° (North)
Ceiling: 800 ft

SPECI KHEI 211230Z AUTO 36013G23KT 6SM -RA BR BKN008 OVC012 06/05 A2986 RMK AO2 P0000

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Nearby Events
Event Date Forecast
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Event data courtesy eviesays.com
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Wind Advisory
Mobile & Email Alerts Statement as of 3:00 AM MDT on May 21, 2013

... Wind Advisory remains in effect until noon MDT today...

A Wind Advisory remains in effect until noon MDT today.

* Timing... very windy through Tuesday morning.

* Winds... northwest 25 to 35 mph with gusts up to 45 mph.

* Impacts... sudden wind gusts can cause drivers to lose
control... especially in lightweight or high profile vehicles.

Precautionary/preparedness actions...

A Wind Advisory means 30 mph winds... or gusts over 45 mph... are
expected or occurring.