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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Unknown Precip Fog/Mist

27°F

-3°C

Humidity 100%
Wind Speed E 20 mph
Barometer 29.62 in
Dewpoint 27°F (-3°C)
Visibility 1.50 mi
Wind Chill13°F (-11°C)
Last update 6 Dec 7:55 am CST
Extended Forecast for

16 Miles NW Agar SD

  • Today

    Today: A chance of snow. Cloudy, with a temperature falling to around 16 by 4pm. Breezy, with a north northeast wind 15 to 20 mph. Chance of precipitation is 40%.

    High: 27 °F⇓

    Chance Snow
    and Breezy

  • Tonight

    Tonight: A chance of snow, mainly before 8pm. Cloudy, with a low around 6. North northeast wind 7 to 13 mph becoming east after midnight. Chance of precipitation is 30%.

    Low: 6 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Snow likely, mainly before 11am. Cloudy, with a high near 20. Southeast wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 20 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 11. South wind 6 to 9 mph.

    Low: 11 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 39. South wind 9 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 39 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26. West wind 9 to 15 mph, with gusts as high as 23 mph.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain. Mostly cloudy, with a high near 45. Breezy, with a south southwest wind 10 to 15 mph becoming west northwest 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 40%.

    High: 45 °F

    Chance Rain
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 15. Blustery, with a north northwest wind 23 to 28 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph.

    Low: 15 °F

    Mostly Cloudy
    and Blustery

  • Wednesday

    Wednesday: Partly sunny, with a high near 27. North wind around 11 mph becoming east southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 27 °F

    Partly Sunny

Detailed Forecast

Today
A chance of snow. Cloudy, with a temperature falling to around 16 by 4pm. Breezy, with a north northeast wind 15 to 20 mph. Chance of precipitation is 40%.
Tonight
A chance of snow, mainly before 8pm. Cloudy, with a low around 6. North northeast wind 7 to 13 mph becoming east after midnight. Chance of precipitation is 30%.
Sunday
Snow likely, mainly before 11am. Cloudy, with a high near 20. Southeast wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly cloudy, with a low around 11. South wind 6 to 9 mph.
Monday
Partly sunny, with a high near 39. South wind 9 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 26. West wind 9 to 15 mph, with gusts as high as 23 mph.
Tuesday
A chance of rain. Mostly cloudy, with a high near 45. Breezy, with a south southwest wind 10 to 15 mph becoming west northwest 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 15. Blustery, with a north northwest wind 23 to 28 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph.
Wednesday
Partly sunny, with a high near 27. North wind around 11 mph becoming east southeast in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 14. Chance of precipitation is 40%.
Thursday
A slight chance of snow. Mostly cloudy, with a high near 23. Chance of precipitation is 20%.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 4. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 12.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NW Agar SD
 45.02°N 100.29°W (Elev. 1621 ft)
Last Update:
6:36 am MST Dec 6, 2025
Forecast Valid:
7am MST Dec 6, 2025-6pm MST Dec 12, 2025
 
Forecast Discussion
 
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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