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

55°F

13°C

Humidity 67%
Wind Speed NE 7 mph
Barometer 30.06 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 20 Jun 12:15 am CDT
Extended Forecast for

4 Miles WSW Tolstoy SD

  • Overnight

    Overnight: Partly cloudy, with a low around 45. Light and variable wind.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 77. Light east northeast wind becoming east southeast 11 to 16 mph in the morning.

    High: 77 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Showers likely, mainly after 4am. Cloudy, with a low around 51. East wind 15 to 17 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 51 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers, mainly before 3pm. High near 68. East wind 15 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers, mainly between 7pm and 1am. Mostly cloudy, with a low around 49. East wind 7 to 11 mph becoming north after midnight. Chance of precipitation is 40%.

    Low: 49 °F

    Chance
    Showers

  • Monday

    Monday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 74. North wind 7 to 10 mph becoming south in the afternoon. Chance of precipitation is 20%.

    High: 74 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 50. South southeast wind 8 to 11 mph becoming west northwest after midnight. Chance of precipitation is 70%.

    Low: 50 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 73. Breezy, with a west northwest wind 11 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 73 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. Breezy, with a northwest wind 16 to 21 mph decreasing to 9 to 14 mph in the evening.

    Low: 46 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 45. Light and variable wind.
Saturday
Increasing clouds, with a high near 77. Light east northeast wind becoming east southeast 11 to 16 mph in the morning.
Saturday Night
Showers likely, mainly after 4am. Cloudy, with a low around 51. East wind 15 to 17 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers, mainly before 3pm. High near 68. East wind 15 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers, mainly between 7pm and 1am. Mostly cloudy, with a low around 49. East wind 7 to 11 mph becoming north after midnight. Chance of precipitation is 40%.
Monday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 74. North wind 7 to 10 mph becoming south in the afternoon. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 50. South southeast wind 8 to 11 mph becoming west northwest after midnight. Chance of precipitation is 70%.
Tuesday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 73. Breezy, with a west northwest wind 11 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 46. Breezy, with a northwest wind 16 to 21 mph decreasing to 9 to 14 mph in the evening.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 76. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 51. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. Breezy. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Tolstoy SD
 45.18°N 99.67°W (Elev. 1906 ft)
Last Update:
12:36 am CDT Jun 20, 2026
Forecast Valid:
12am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation