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

Hazardous Weather Conditions

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Heavy Snow Freezing Fog and Breezy

25°F

-4°C

Humidity 100%
Wind Speed NE 21 G 28 mph
Barometer 29.77 in
Dewpoint 25°F (-4°C)
Visibility 0.15 mi
Wind Chill10°F (-12°C)
Last update 14 Mar 10:55 pm CDT
Extended Forecast for

Agar SD

Blizzard Warning March 15, 01:00am until March 15, 01:00pm
Winter Storm Warning March 14, 11:11pm until March 15, 01:00am
Click here for hazard details and duration
Blizzard Warning
Winter Storm Warning
  •  
    Winter Storm Warning March 14, 11:11pm until March 15, 01:00am

    NOW until 1:00am Sun

    Winter Storm Warning

  • Tonight

    Low: 8 °F

    Snow and
    Blowing Snow

  • Sunday

    Sunday: A chance of snow, mainly before 8am. Widespread blowing snow, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 18. Windy, with a north wind 30 to 33 mph, with gusts as high as 44 mph. Chance of precipitation is 50%.

    High: 18 °F

    Chance Snow
    and Blowing
    Snow then
    Blowing Snow
    and Windy

  • Sunday Night

    Sunday Night: Patchy blowing snow before 8pm. Partly cloudy, with a low around -5. Wind chill values as low as -19. Blustery, with a north northwest wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph.

    Low: -5 °F

    Patchy
    Blowing Snow
    and Blustery
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 20. Wind chill values as low as -19. Northwest wind around 6 mph.

    High: 20 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of snow after 1am. Mostly cloudy, with a low around 5. Southeast wind 6 to 14 mph. Chance of precipitation is 20%.

    Low: 5 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: A chance of snow and freezing rain before 1pm, then a chance of rain or freezing rain. Mostly cloudy, with a high near 47. Southeast wind around 15 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 40%.

    High: 47 °F

    Chance Wintry
    Mix

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32. West wind around 14 mph, with gusts as high as 22 mph.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63. West wind 10 to 13 mph.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

Tonight
Snow. Widespread blowing snow, mainly after 4am. Low around 8. Blustery, with a north wind 24 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.
Sunday
A chance of snow, mainly before 8am. Widespread blowing snow, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 18. Windy, with a north wind 30 to 33 mph, with gusts as high as 44 mph. Chance of precipitation is 50%.
Sunday Night
Patchy blowing snow before 8pm. Partly cloudy, with a low around -5. Wind chill values as low as -19. Blustery, with a north northwest wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph.
Monday
Sunny, with a high near 20. Wind chill values as low as -19. Northwest wind around 6 mph.
Monday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 5. Southeast wind 6 to 14 mph. Chance of precipitation is 20%.
Tuesday
A chance of snow and freezing rain before 1pm, then a chance of rain or freezing rain. Mostly cloudy, with a high near 47. Southeast wind around 15 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 32. West wind around 14 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 63. West wind 10 to 13 mph.
Wednesday Night
Partly cloudy, with a low around 38. West southwest wind around 9 mph.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Mostly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Agar SD
 44.83°N 100.07°W (Elev. 1824 ft)
Last Update:
10:32 pm CDT Mar 14, 2026
Forecast Valid:
11pm CDT Mar 14, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation