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

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Fair

70°F

21°C

Humidity 29%
Wind Speed SE 6 mph
Barometer 29.78 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 25 Mar 12:35 pm CDT
Extended Forecast for

5 Miles SSW Tolstoy SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 75. South southeast wind around 9 mph becoming north northwest.

    High: 75 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of rain, mainly before 4am. Mostly cloudy, with a low around 35. North northwest wind 7 to 17 mph becoming east northeast in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 30%.

    Low: 35 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: A chance of rain and snow before noon, then a chance of rain between noon and 2pm. Mostly cloudy, with a high near 43. Breezy, with a north northeast wind 18 to 22 mph. Chance of precipitation is 40%.

    High: 43 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 18. Northwest wind 10 to 14 mph.

    Low: 18 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 44. Northwest wind 11 to 14 mph.

    High: 44 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 29. West wind 10 to 16 mph becoming south southeast in the evening. Winds could gust as high as 24 mph.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 61. South southeast wind 15 to 18 mph.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35. East southeast wind around 14 mph.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 73. Southeast wind 13 to 15 mph becoming west in the afternoon.

    High: 73 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 75. South southeast wind around 9 mph becoming north northwest.
Tonight
A chance of rain, mainly before 4am. Mostly cloudy, with a low around 35. North northwest wind 7 to 17 mph becoming east northeast in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 30%.
Thursday
A chance of rain and snow before noon, then a chance of rain between noon and 2pm. Mostly cloudy, with a high near 43. Breezy, with a north northeast wind 18 to 22 mph. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 18. Northwest wind 10 to 14 mph.
Friday
Sunny, with a high near 44. Northwest wind 11 to 14 mph.
Friday Night
Mostly clear, with a low around 29. West wind 10 to 16 mph becoming south southeast in the evening. Winds could gust as high as 24 mph.
Saturday
Mostly sunny, with a high near 61. South southeast wind 15 to 18 mph.
Saturday Night
Mostly cloudy, with a low around 35. East southeast wind around 14 mph.
Sunday
Sunny, with a high near 73. Southeast wind 13 to 15 mph becoming west in the afternoon.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Partly sunny, with a high near 69. Breezy.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
A slight chance of rain. Partly sunny, with a high near 66. Breezy. Chance of precipitation is 20%.
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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:
12:36 pm CDT Mar 25, 2026
Forecast Valid:
12pm CDT Mar 25, 2026-6pm CDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation