Winter Weather Across Portions of the Mid-Atlantic; Heavy Rain Along the Gulf Coast and Southeast

A storm system will continue to slowly move through the Gulf Coast and Southeast U.S. over the next couple of days, bringing a heavy rainfall threat through the weekend. Isolated instances of flooding may occur. On the north side of this storm system, colder air will support areas of mixed wintry precipitation and light snow from the Tennessee Valley to the Mid-Atlantic Friday. Read More >

Hazardous Weather Conditions

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Light Drizzle Fog/Mist

34°F

1°C

Humidity 100%
Wind Speed NW 13 mph
Barometer 29.69 in
Dewpoint 34°F (1°C)
Visibility 5.00 mi
Wind Chill25°F (-4°C)
Last update 5 Dec 5:35 am CST
Extended Forecast for

16 Miles NW Agar SD

  • Overnight

    Overnight: A slight chance of snow.  Mostly cloudy, with a steady temperature around 35. West northwest wind around 11 mph.  Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Snow

  • Friday

    Friday: A slight chance of rain or freezing rain before 9am, then a slight chance of rain between 9am and 10am.  Mostly cloudy, with a temperature falling to around 29 by 5pm. Northwest wind 13 to 16 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    High: 35 °F

    Slight Chance
    Rain/Freezing
    Rain then
    Mostly Cloudy

  • Friday Night

    Friday Night: A slight chance of snow after 5am.  Mostly cloudy, with a low around 17. North northwest wind 6 to 14 mph becoming east southeast after midnight.  Chance of precipitation is 10%.

    Low: 17 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly after 11am.  Cloudy, with a high near 19. East wind 14 to 17 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 19 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A slight chance of snow before 11pm.  Mostly cloudy, with a low around 3. North northeast wind 6 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    Low: 3 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow.  Mostly cloudy, with a high near 17. Southeast wind 8 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    High: 17 °F

    Chance Snow

  • Sunday Night

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

    Low: 9 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 37. South wind 9 to 15 mph becoming west in the afternoon. Winds could gust as high as 26 mph.

    High: 37 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24. West wind 10 to 14 mph.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of snow. Mostly cloudy, with a steady temperature around 35. West northwest wind around 11 mph. Chance of precipitation is 20%.
Friday
A slight chance of rain or freezing rain before 9am, then a slight chance of rain between 9am and 10am. Mostly cloudy, with a temperature falling to around 29 by 5pm. Northwest wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of snow after 5am. Mostly cloudy, with a low around 17. North northwest wind 6 to 14 mph becoming east southeast after midnight. Chance of precipitation is 10%.
Saturday
Snow likely, mainly after 11am. Cloudy, with a high near 19. East wind 14 to 17 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Saturday Night
A slight chance of snow before 11pm. Mostly cloudy, with a low around 3. North northeast wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday
A chance of snow. Mostly cloudy, with a high near 17. Southeast wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 9. South wind 6 to 9 mph.
Monday
Mostly sunny, with a high near 37. South wind 9 to 15 mph becoming west in the afternoon. Winds could gust as high as 26 mph.
Monday Night
Mostly cloudy, with a low around 24. West wind 10 to 14 mph.
Tuesday
A chance of rain, mainly before 11am. Mostly cloudy, with a high near 42. Breezy. Chance of precipitation is 40%.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 18. Blustery. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 25.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 12. Chance of precipitation is 20%.
Thursday
A slight chance of snow. Mostly cloudy, with a high near 26. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NW Agar SD
 45.02°N 100.29°W (Elev. 1621 ft)
4:36 am MST Dec 5, 2025
4am MST Dec 5, 2025-6pm MST Dec 11, 2025
 
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Additional Resources

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Hourly Weather Forecast

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