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.

Partly Cloudy

27°F

-3°C

Humidity 74%
Wind Speed SE 10 mph
Barometer 29.84 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 12 Mar 6:35 am CDT
Extended Forecast for

5 Miles SSW Tolstoy SD

High Wind Warning March 12, 03:00pm until March 13, 01:00am
Red Flag Warning March 12, 12:00pm until March 12, 09:00pm
Click here for hazard details and duration
High Wind Warning
Red Flag Warning

  • Today

    Today: Rain and snow likely, becoming all rain after 3pm. Mostly cloudy, with a high near 56. Windy, with a south wind 11 to 21 mph becoming west 24 to 34 mph. Winds could gust as high as 55 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 56 °F

    Rain/Snow
    Likely and
    Breezy then
    Rain Likely
    and Windy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 21. Windy, with a northwest wind 34 to 39 mph decreasing to 22 to 27 mph after midnight. Winds could gust as high as 65 mph.

    Low: 21 °F

    Decreasing
    Clouds and
    Windy

  • Friday

    Friday: A chance of snow, mainly after 1pm. Mostly cloudy, with a high near 35. Northwest wind 9 to 14 mph becoming light and variable. Winds could gust as high as 24 mph. Chance of precipitation is 30%.

    High: 35 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow. Cloudy, with a low around 23. East southeast wind around 9 mph. Chance of precipitation is 50%.

    Low: 23 °F

    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly after 1pm. Patchy blowing snow after 4pm. Cloudy, with a high near 34. East wind 10 to 17 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 34 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Saturday Night

    Saturday Night: Snow. Patchy blowing snow. Low around 10. Blustery, with an east northeast wind 18 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 10 °F

    Snow and
    Patchy
    Blowing Snow

  • Sunday

    Sunday: A chance of snow before 1pm. Areas of blowing snow. Partly sunny, with a high near 19. Blustery, with a north wind 21 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 50%.

    High: 19 °F

    Chance Snow
    and Areas
    Blowing Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -3. North northwest wind 10 to 16 mph.

    Low: -3 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 20. North northwest wind around 11 mph.

    High: 20 °F

    Mostly Sunny

Detailed Forecast

Today
Rain and snow likely, becoming all rain after 3pm. Mostly cloudy, with a high near 56. Windy, with a south wind 11 to 21 mph becoming west 24 to 34 mph. Winds could gust as high as 55 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 21. Windy, with a northwest wind 34 to 39 mph decreasing to 22 to 27 mph after midnight. Winds could gust as high as 65 mph.
Friday
A chance of snow, mainly after 1pm. Mostly cloudy, with a high near 35. Northwest wind 9 to 14 mph becoming light and variable. Winds could gust as high as 24 mph. Chance of precipitation is 30%.
Friday Night
A chance of snow. Cloudy, with a low around 23. East southeast wind around 9 mph. Chance of precipitation is 50%.
Saturday
Snow likely, mainly after 1pm. Patchy blowing snow after 4pm. Cloudy, with a high near 34. East wind 10 to 17 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Snow. Patchy blowing snow. Low around 10. Blustery, with an east northeast wind 18 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Sunday
A chance of snow before 1pm. Areas of blowing snow. Partly sunny, with a high near 19. Blustery, with a north wind 21 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around -3. North northwest wind 10 to 16 mph.
Monday
Mostly sunny, with a high near 20. North northwest wind around 11 mph.
Monday Night
A chance of snow, mainly after 1am. Mostly cloudy, with a low around 6. Chance of precipitation is 30%.
Tuesday
A chance of snow. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 22.
Wednesday
Partly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Tolstoy SD
 45.14°N 99.66°W (Elev. 1929 ft)
Last Update:
6:36 am CDT Mar 12, 2026
Forecast Valid:
6am CDT Mar 12, 2026-6pm CDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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