National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms and Heavy Rain in the Southern U.S.; Snow in the Northern Rockies and Northern Plains

A storm system will shift from eastern Texas into the lower Mississippi Valley today with additional threats of severe thunderstorms and heavy to excessive rainfall which may bring flooding. In the northern U.S., a storm will bring heavy snow and gusty winds over parts of the northern Rockies, northern Plains, and Upper Midwest today into Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Fair

43°F

6°C

Humidity 71%
Wind Speed N 7 mph
Barometer 29.84 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 24 Nov 5:36 pm CST
Extended Forecast for

Agar SD

Wind Advisory November 25, 06:00am until November 25, 06:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Rain, mainly between 3am and 5am. Low around 28. East northeast wind 6 to 14 mph becoming west northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 28 °F

    Slight Chance
    Rain then
    Rain

  • Tuesday

    Tuesday: Rain and snow likely before 11am, then a chance of snow between 11am and 5pm. Patchy blowing snow between noon and 1pm. Cloudy, with a high near 36. Windy, with a north northwest wind 18 to 23 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 36 °F

    Rain/Snow
    Likely and
    Patchy
    Blowing Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16. Blustery, with a northwest wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 34 mph.

    Low: 16 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30. Northwest wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 13. North northwest wind around 6 mph.

    Low: 13 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 29. North northwest wind around 7 mph becoming east northeast in the afternoon.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of snow after midnight. Mostly cloudy, with a low around 12. East southeast wind 7 to 10 mph. Chance of precipitation is 20%.

    Low: 12 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Friday

    Friday: A chance of snow. Cloudy, with a high near 27. East southeast wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 27 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow. Cloudy, with a low around 14. East wind around 11 mph. Chance of precipitation is 40%.

    Low: 14 °F

    Chance Snow

Detailed Forecast

Tonight
Rain, mainly between 3am and 5am. Low around 28. East northeast wind 6 to 14 mph becoming west northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain and snow likely before 11am, then a chance of snow between 11am and 5pm. Patchy blowing snow between noon and 1pm. Cloudy, with a high near 36. Windy, with a north northwest wind 18 to 23 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Tuesday Night
Mostly cloudy, with a low around 16. Blustery, with a northwest wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 34 mph.
Wednesday
Mostly sunny, with a high near 30. Northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 13. North northwest wind around 6 mph.
Thanksgiving Day
Mostly sunny, with a high near 29. North northwest wind around 7 mph becoming east northeast in the afternoon.
Thursday Night
A slight chance of snow after midnight. Mostly cloudy, with a low around 12. East southeast wind 7 to 10 mph. Chance of precipitation is 20%.
Friday
A chance of snow. Cloudy, with a high near 27. East southeast wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Friday Night
A chance of snow. Cloudy, with a low around 14. East wind around 11 mph. Chance of precipitation is 40%.
Saturday
A slight chance of snow. Mostly cloudy, with a high near 22. Chance of precipitation is 20%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 8. Chance of precipitation is 40%.
Sunday
A chance of snow. Mostly cloudy, with a high near 17. Chance of precipitation is 40%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 2. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 21.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Agar SD
 44.83°N 100.07°W (Elev. 1824 ft)
Last Update:
5:36 pm CST Nov 24, 2025
Forecast Valid:
6pm CST Nov 24, 2025-6pm CST Dec 1, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation