Bison, SD

1:59 PM MDT on May 21, 2013 (GMT -0600)
Elev: 2756 ft
Lon: 102.5° W
Lat: 45.5° N
Source
Rapid Fire Updates™
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Global: Violent Tornado Causes Catastrophic Damage in Moore, Oklahoma
News
Okla Governor: We Will Rebuild After Tornado
May 21, 2013
The search and rescue efforts are ongoing in Moore, Okla. after a massive tornado levelled the town and local schools.
Weather Imagery Reveals Oklahoma Tornado
May 21, 2013
The Moore, Oklahoma tornado showed up vividly on satellite and radar.
PTSD Risk after the Oklahoma Tornado
May 21, 2013
In the wake of Mondays devastating tornado that ravaged the town of Moore, Okla., survivors are likely to feel incredible shock and numbness.
Tornado Leaves Small Hospital 'Pretty Much Destroyed'
May 21, 2013
Officials say a tornado hit a small hospital in suburban Oklahoma City, but all the 30 patients inside survived.
Obama: 'Americans From Every Corner of This Country Will Be With Them'
May 21, 2013
Obama has declared a major disaster in Oklahoma, ordering federal aid to supplement state and local recovery efforts. The president also spoke Monday with Oklahoma Gov. Mary Fallin and Rep. Tom Cole, whose home is in the heavily damaged town of Moore.
Why Don't More Homes in Oklahoma Have Basements?
May 21, 2013
The answer lies in the level of the water table and the soil texture in Oklahoma and in states across the Plains.
Photos: Deadly Tornado Outbreak Strikes Plains
May 21, 2013
A tornado outbreak struck the Plains states on May 19, 2013, leaving widespread damage in its wake.
Children and the Tornado: Helping Kids Cope
May 21, 2013
Any time children are involved in a catastrophe, emotional reactions among survivors and across the nation are particularly strong.
Recap: Tornadoes Rake Oklahoma, Kansas, Iowa
May 21, 2013
The weather imagery, video and recap from tornadoes in the Plains on May 19, 2013.
Tornado Took Similar Path to 1999 F5
May 21, 2013
Moore, Oklahoma is no stranger to devastating tornadoes.
'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.
A Timeline of Deadly Events in Moore, Okla.
May 21, 2013
Check out this comprehensive timeline of the events that transpired in Moore, Okla.
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.
Moore Already at Work on Recovery, Says Mayor
May 21, 2013
Glenn Lewis was the mayor of Moore, Okla., when the strongest tornado on record whipped the city in 1999, and he says the most recent storm won't deter the community from rebuilding.
Moore Survivor Finds Dog Buried Alive
May 21, 2013
Watch as a tornado survivor is interrupted in the middle of interview by a little dog digging out of rubble.
Oklahoma Tornado: How to Help
May 21, 2013
There are several agencies asking for donations to help those hit hard by the Oklahoma tornadoes.
Multiple Children Dead at Okla. School
May 21, 2013
More than a dozen children are dead 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.
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.
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

Bison Weather at a Glance

Updated 1:53 PM MDT
Weather Station
Hettinger (KHEI)
Elevation
2703 ft
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Now
Light Rain
Light Rain
Temperature
45 °F
Feels Like 38 °F
Wind(mph)
17
Sunrise / Set
5:12 AM
8:21 PM
Moon
Waxing Gibbous
Today
Rain 50 °F
Rain
90% chance of precipitation
Tonight
Chance of Rain 37 °F
Chance of Rain
40% chance of precipitation
Tomorrow
Chance of Rain 64 | 41 °F
Chance of Rain
20% chance of precipitation
Thursday
Partly Cloudy 68 | 46 °F
Partly Cloudy
Friday
Partly Cloudy 79 | 43 °F
Partly Cloudy
Saturday
Chance of Rain 70 | 55 °F
Chance of Rain
20% chance of precipitation
Today is forecast to be Cooler than yesterday.
Conditions
Pressure
29.96 in
Visibility
10.0 miles
Clouds
Few 1000 ft
Mostly Cloudy 1400 ft
Overcast 3900 ft
Moisture
Humidity
86%
Rainfall
0.15 in
Snow Depth
Not available.
METAR
METAR KHEI 211953Z AUTO 36015G19KT 10SM -RA FEW010 BKN014 OVC039 07/05 A2992 RMK AO2 SLP144 P0002 T00720050
Don't speak METAR? Read our FAQ.
Weather Radio
Weather Radio Index
Temperature
Windchill
38 °F
Dew Point
41 °F
Wind
Speed / Dir
17 mph from North
Wind Gust
22 mph
Health
UV
3 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. High of 50F. Windy. Winds from the NNW at 20 to 25 mph with gusts to 35 mph. Chance of rain 90%.
Tuesday Night
nt_chancerain Overcast with a chance of rain. Low of 37F. Winds from the North at 5 to 20 mph. Chance of rain 40%.
Wednesday
partlycloudy Overcast with a chance of rain in the morning, then mostly cloudy. High of 64F. Breezy. Winds from the ENE at 10 to 20 mph. Chance of rain 20%.
Wednesday Night
nt_partlycloudy Clear in the evening, then partly cloudy. Low of 41F. Breezy. Winds from the SSE at 10 to 20 mph.
Thursday
partlycloudy Partly cloudy. Fog early. High of 68F. Windy. Winds from the SE at 15 to 25 mph with gusts to 35 mph.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 46F. Windy. Winds from the SE at 20 to 30 mph.
Friday
partlycloudy Partly cloudy. High of 79F. Windy. Winds from the SSE at 20 to 30 mph.
Friday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm and rain. Fog overnight. Low of 43F. Winds from the ESE at 10 to 15 mph. Chance of rain 20%.
Saturday
cloudy Mostly cloudy in the morning, then overcast with a chance of rain. Fog early. High of 70F. Breezy. Winds from the ESE at 15 to 20 mph. Chance of rain 20%.
Saturday Night
nt_mostlycloudy Mostly cloudy with a chance of rain. Fog overnight. Low of 55F. Breezy. Winds from the ESE at 10 to 25 mph. Chance of rain 20%.
Sunday
chancerain Overcast with a chance of rain. High of 70F. Breezy. Winds from the ESE at 15 to 20 mph. Chance of rain 40%.
Sunday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm. Fog overnight. Low of 54F. Breezy. Winds from the ESE at 10 to 20 mph. Chance of rain 40%.
Monday
mostlycloudy Overcast. High of 70F. Breezy. Winds from the ESE at 15 to 20 mph.
Monday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm. Fog overnight. Low of 52F. Winds from the ESE at 10 to 15 mph. Chance of rain 70% with rainfall amounts near 0.8 in. possible.
Tuesday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 77F. Winds from the WNW at 5 to 10 mph. Chance of rain 40%.
Tuesday Night
nt_mostlycloudy Mostly cloudy. Low of 52F. Winds from the NW at 5 to 10 mph shifting to the SE after midnight.
Wednesday
partlycloudy Partly cloudy with a chance of a thunderstorm. High of 73F. Winds from the SE at 5 to 10 mph shifting to the ENE in the afternoon. Chance of rain 20%.
Wednesday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm. Fog overnight. Low of 52F. Winds from the ENE at 5 to 10 mph shifting to the SE after midnight. Chance of rain 20%.
Thursday
partlycloudy Partly cloudy. High of 70F. Winds less than 5 mph.
Thursday Night
nt_partlycloudy Clear. Low of 50F. Winds less than 5 mph.
Friday
partlycloudy Partly cloudy with a chance of a thunderstorm. High of 70F. Winds less than 5 mph. Chance of rain 20%.
Friday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm. Fog overnight. Low of 50F. Winds less than 5 mph. Chance of rain 20%.
Saturday
clear Clear. High of 70F. Winds less than 5 mph.
Saturday Night
nt_clear Clear. Low of 50F. Winds from the NNW at 5 to 15 mph.
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Weather Forecast for Bison SD

View Calendar 10-Day Forecast for station KHEI

Tuesday, 21
Rain
50 | 37 °F
Rain
Chance of
Precipitation
90%
Wednesday, 22
Chance of Rain
64 | 41 °F
Chance of Rain
Chance of
Precipitation
20%
Thursday, 23
Partly Cloudy
68 | 46 °F
Partly Cloudy
Chance of
Precipitation
0%
Friday, 24
Partly Cloudy
79 | 43 °F
Partly Cloudy
Chance of
Precipitation
0%
Saturday, 25
Chance of Rain
70 | 55 °F
Chance of Rain
Chance of
Precipitation
20%
Sunday, 26
Chance of Rain
70 | 54 °F
Chance of Rain
Chance of
Precipitation
40%
Monday, 27
Mostly Cloudy
70 | 52 °F
Mostly Cloudy
Chance of
Precipitation
0%
Tuesday, 28
Chance of a Thunderstorm
77 | 52 °F
Chance of T-storms
Chance of
Precipitation
40%
Wednesday, 29
Chance of a Thunderstorm
73 | 52 °F
Chance of a Thunderstorm
Chance of
Precipitation
20%
Thursday, 30
Partly Cloudy
70 | 50 °F
Partly Cloudy
Chance of
Precipitation
0%
Source: BestForecast at 1:47 PM MDT on May 21, 2013
Descriptive Forecast
Tuesday
rain Overcast with rain. High of 50F. Windy. Winds from the NNW at 20 to 25 mph with gusts to 35 mph. Chance of rain 90%.
Tuesday Night
nt_chancerain Overcast with a chance of rain. Low of 37F. 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 48 | 41 45 | 43
Wind 22 mph NNW 21 mph NNW 16 mph North 9 mph North
Humidity 96% 87% 74% 91%
Chance of Precip. 100% 80% 90% 40%
Cloud Cover 100% 100% 99% 98%
Conditions Rain Showers Rain Chance of Rain Chance of Rain
Sunrise & Sunset
5:12 AM
8:21 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.91], Average RMSE [2.16]
The National Weather Service forecast quality is good. MaxT RMSE [2.19], Average RMSE [1.95] : Use NWS
Source: BestForecast at 1:47 PM MDT on May 21, 2013
Descriptive Forecast
Wednesday
partlycloudy Overcast with a chance of rain in the morning, then mostly cloudy. High of 64F. Breezy. Winds from the ENE at 10 to 20 mph. Chance of rain 20%.
Wednesday Night
nt_partlycloudy Clear in the evening, then partly cloudy. Low of 41F. Breezy. Winds from the SSE at 10 to 20 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 37 | 37 59 | 45 61 | 45 46 | 45
Wind 10 mph NNE 16 mph ENE 16 mph West 11 mph ESE
Humidity 100% 60% 52% 90%
Chance of Precip. 40% 10% 10% 10%
Cloud Cover 93% 67% 11% 56%
Conditions Chance of Rain Mostly Cloudy Clear Partly Cloudy
Sunrise & Sunset
5:11 AM
8:22 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.74], Average RMSE [2.30]
The National Weather Service forecast quality is fair. MaxT RMSE [2.51], Average RMSE [2.73] : Use NWS
Source: BestForecast at 1:47 PM MDT on May 21, 2013
Descriptive Forecast
Thursday
partlycloudy Partly cloudy. Fog early. High of 68F. Windy. Winds from the SE at 15 to 25 mph with gusts to 35 mph.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 46F. Windy. Winds from the SE at 20 to 30 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 41 | 41 63 | 45 64 | 46 52 | 43
Wind 13 mph ESE 24 mph SE 25 mph SE 21 mph SE
Humidity 100% 51% 51% 73%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 53% 11% 25% 26%
Conditions Fog Clear Clear Partly Cloudy
Sunrise & Sunset
5:10 AM
8:23 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.83], Average RMSE [2.68]
The National Weather Service forecast quality is fair. MaxT RMSE [2.88], Average RMSE [2.95] : Use NWS
Source: BestForecast at 1:47 PM MDT on May 21, 2013
Descriptive Forecast
Friday
partlycloudy Partly cloudy. High of 79F. Windy. Winds from the SSE at 20 to 30 mph.
Friday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm and rain. Fog overnight. Low of 43F. Winds from the ESE at 10 to 15 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 46 | 43 68 | 54 73 | 55 55 | 55
Wind 24 mph SE 21 mph SSE 6 mph ESE 11 mph ESE
Humidity 84% 62% 51% 99%
Chance of Precip. 0% 0% 30% 10%
Cloud Cover 19% 1% 59% 19%
Conditions Clear Clear Chance of a Thunderstorm Fog
Sunrise & Sunset
5:09 AM
8:24 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.28], Average RMSE [2.30]
The National Weather Service forecast quality is poor. MaxT RMSE [3.79], Average RMSE [3.37] : Use NWS
Source: BestForecast at 1:47 PM MDT on May 21, 2013
Descriptive Forecast
Saturday
cloudy Mostly cloudy in the morning, then overcast with a chance of rain. Fog early. High of 70F. Breezy. Winds from the ESE at 15 to 20 mph. Chance of rain 20%.
Saturday Night
nt_mostlycloudy Mostly cloudy with a chance of rain. Fog overnight. Low of 55F. Breezy. Winds from the ESE at 10 to 25 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 46 | 46 70 | 57 70 | 59 61 | 59
Wind 12 mph East 18 mph ESE 20 mph ESE 14 mph ESE
Humidity 100% 66% 68% 93%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 35% 86% 100% 100%
Conditions Fog Mostly Cloudy Overcast Overcast
Sunrise & Sunset
5:09 AM
8:25 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.18], Average RMSE [2.68]
The National Weather Service forecast quality is poor. MaxT RMSE [4.47], Average RMSE [3.95] : Use NWS
Source: BestForecast at 1:47 PM MDT on May 21, 2013
Descriptive Forecast
Sunday
chancerain Overcast with a chance of rain. High of 70F. Breezy. Winds from the ESE at 15 to 20 mph. Chance of rain 40%.
Sunday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm. Fog overnight. Low of 54F. Breezy. Winds from the ESE at 10 to 20 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 55 | 55 66 | 59 70 | 61 59 | 59
Wind 14 mph ESE 17 mph ESE 19 mph ESE 12 mph ESE
Humidity 100% 74% 73% 100%
Chance of Precip. 20% 20% 20% 20%
Cloud Cover 77% 89% 97% 96%
Conditions Chance of Rain Chance of Rain Chance of Rain Chance of Rain
Sunrise & Sunset
5:08 AM
8:26 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.36], Average RMSE [4.28]
The National Weather Service forecast quality is poor. MaxT RMSE [5.44], Average RMSE [4.72] : Use NWS
Source: BestForecast at 1:47 PM MDT on May 21, 2013
Descriptive Forecast
Monday
mostlycloudy Overcast. High of 70F. Breezy. Winds from the ESE at 15 to 20 mph.
Monday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm. Fog overnight. Low of 52F. Winds from the ESE at 10 to 15 mph. Chance of rain 70% with rainfall amounts near 0.8 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 54 | 54 68 | 61 70 | 63 59 | 59
Wind 9 mph ESE 16 mph ESE 12 mph ESE 14 mph ESE
Humidity 100% 79% 77% 100%
Chance of Precip. 10% 10% 20% 30%
Cloud Cover 91% 92% 100% 100%
Conditions Fog Overcast Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:07 AM
8:27 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.40], Average RMSE [5.04]
The National Weather Service forecast quality is poor. MaxT RMSE [5.98], Average RMSE [5.83] : Use NWS
Source: BestForecast at 1:47 PM MDT on May 21, 2013
Descriptive Forecast
Tuesday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 77F. Winds from the WNW at 5 to 10 mph. Chance of rain 40%.
Tuesday Night
nt_mostlycloudy Mostly cloudy. Low of 52F. Winds from the NW at 5 to 10 mph shifting to the SE after midnight.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 54 | 54 73 | 59 70 | 54 59 | 52
Wind 5 mph SSW 6 mph NW 8 mph WNW 1 mph ESE
Humidity 100% 60% 56% 81%
Chance of Precip. 20% 20% 20% 10%
Cloud Cover 57% 29% 54% 100%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm Overcast
Sunrise & Sunset
5:06 AM
8:28 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [6.37], Average RMSE [4.29]
Source: BestForecast at 1:47 PM MDT on May 21, 2013
Descriptive Forecast
Wednesday
partlycloudy Partly cloudy with a chance of a thunderstorm. High of 73F. Winds from the SE at 5 to 10 mph shifting to the ENE in the afternoon. Chance of rain 20%.
Wednesday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm. Fog overnight. Low of 52F. Winds from the ENE at 5 to 10 mph shifting to the SE after midnight. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 52 | 52 72 | 54 61 | 55 54 | 54
Wind 8 mph SSE 1 mph ENE 6 mph NE 5 mph ESE
Humidity 100% 53% 78% 100%
Chance of Precip. 0% 20% 20% 20%
Cloud Cover 5% 39% 48% 57%
Conditions Fog Chance of Rain Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:06 AM
8:29 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [6.47], Average RMSE [3.95]
Source: BestForecast at 1:47 PM MDT on May 21, 2013
Descriptive Forecast
Thursday
partlycloudy Partly cloudy. High of 70F. 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 52 | 52 70 | 50 70 | 45 55 | 45
Wind 1 mph SSW 0 mph East 5 mph NE 4 mph SE
Humidity 100% 47% 39% 66%
Chance of Precip. 10% 10% 0% 0%
Cloud Cover 63% 57% 51% 27%
Conditions Fog Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:05 AM
8:29 PM
Source: BestForecast at 1:47 PM MDT on May 21, 2013
Descriptive Forecast
Friday
partlycloudy Partly cloudy with a chance of a thunderstorm. High of 70F. Winds less than 5 mph. Chance of rain 20%.
Friday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm. Fog overnight. Low of 50F. Winds less than 5 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 52 | 43 70 | 50 70 | 55 54 | 54
Wind 2 mph WSW 3 mph West 6 mph NNW 1 mph West
Humidity 72% 47% 60% 100%
Chance of Precip. 20% 20% 20% 20%
Cloud Cover 3% 25% 47% 56%
Conditions Chance of Rain Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
Sun does not rise
Source: BestForecast at 1:47 PM MDT on May 21, 2013
Descriptive Forecast
Saturday
clear Clear. High of 70F. Winds less than 5 mph.
Saturday Night
nt_clear Clear. Low of 50F. Winds from the NNW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 50 | 50 70 | 52 70 | 48 59 | 43
Wind 5 mph WNW 5 mph NW 6 mph NNE 9 mph NW
Humidity 100% 55% 47% 57%
Chance of Precip. 20% 10% 0% 0%
Cloud Cover 65% % % %
Conditions Chance of a Thunderstorm Clear Clear Clear
Sunrise & Sunset
Sun does not rise
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
Active Notice: Local Storm Report  (US Severe Weather)
History & Almanac
May 21, 2013 Max Temp Min Temp
Normal 67 °F 41 °F
Record 85 °F (2012) 32 °F (2003)
Yesterday 52 °F 49 °F
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 5:12 AM MDT 8:21 PM MDT
Civil Twilight 4:37 AM MDT 8:56 PM MDT
Nautical Twilight 3:51 AM MDT 9:42 PM MDT
Astronomical Twilight 2:55 AM MDT 10:39 PM MDT
Moon 4:27 PM MDT 2:53 AM MDT
Length Of Visible Light 16h 19m
Length of Day
15h 08m
Tomorrow will be 2m 0s longer.
Waxing Gibbous, 85% 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
60 °F
Yankton
59 °F
Mitchell
57 °F
Sioux Falls
57 °F
Brookings
57 °F
Sisseton
39 °F
Custer
41 °F
Spearfish
42 °F
Buffalo
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
Hettinger 45 °F Light Rain 1:53 PM MDT
Faith 46 °F N/A 1:56 PM MDT
Buffalo 46 °F N/A 1:56 PM MDT
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Flight To ETA Status
No flights were found.
Flight Tracker by FlightAware FlightAware
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Type Condition
Flight Rule: MVFR (KHEI)
Wind Speed: 15.0 kts.
Wind Dir: 360° (North)
Ceiling: 1400 ft

METAR KHEI 211953Z AUTO 36015G19KT 10SM -RA FEW010 BKN014 OVC039 07/05 A2992 RMK AO2 SLP144 P0002 T00720050

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
Tigers vs. Indians 7:05 PM EDT on May 21, 2013 Chance of a Thunderstorm, 81 °F
Yankees vs. Orioles 7:05 PM EDT on May 21, 2013 Thunderstorm, 81 °F
Event Date Forecast
Livorno vs. Brescia 6:30 PM CEST on May 22, 2013 Clear, High 71° F/ 22° C
Empoli vs. Novara 8:45 PM CEST on May 22, 2013 Clear, High 69° F/ 21° C
Event Date Forecast
Coca-Cola 600 6:16 PM EDT on May 26, 2013 Partly Cloudy, 70 °F
FedEx 400 benefiting Autism Speaks 1:15 PM EDT on June 02, 2013 Average High 81° F/ 27° C
Event Date Forecast
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 23, 2013 Partly Cloudy, 68 °F
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 24, 2013 Partly Cloudy, 70 °F
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Weather Stations
Station Location Temp. Windchill Dew Point Humidity Wind Precipitation Elevation Updated Type Website
NonFedAWOS BISON , Bison, SD 43 °F 35 °F 41 °F 93% NNW  at  16 mph 0.00 in / hr 2785 ft 1:35 PM MDT MADIS
HADS SHADEHILL RESERVOIR NEAR SHADEHI SD, Lemmon, SD 46 °F 46 °F - - North  at  - 0.00 in / hr 2250 ft 1:15 PM MDT MADIS
MesoWest South side of 20 , Meadow, SD 42 °F 32 °F - - ENE  at  26 mph 0.00 in / hr 2567 ft 1:29 PM MDT MADIS
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Local Storm Report
Mobile & Email Alerts


05/21/2013 0830 am

8 miles ESE of Meadow, Perkins County.

Rain m0.92 inch, reported by trained spotter.


            0.92 inches last 24 hours. 2.44 inches last 4 days.


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