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.

Overcast

77°F

25°C

Humidity 36%
Wind Speed SE 14 G 22 mph
Barometer 29.88 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 20 Jun 5:36 pm CDT
Extended Forecast for

3 Miles NE Tolstoy SD

  • Tonight

    Tonight: Showers likely, mainly after 2am. Mostly cloudy, with a low around 52. East wind 11 to 17 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers, mainly before 4pm. High near 66. East wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 66 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 9pm. Mostly cloudy, with a low around 48. East northeast wind 6 to 14 mph. Chance of precipitation is 40%.

    Low: 48 °F

    Chance
    Showers then
    Mostly Cloudy

  • 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 72. North northeast wind 6 to 11 mph becoming south southeast in the afternoon. Chance of precipitation is 20%.

    High: 72 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 51. South southeast wind 8 to 11 mph becoming southwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Chance
    T-storms then
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly sunny, with a high near 72. Breezy, with a west northwest wind 11 to 16 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 30%.

    High: 72 °F

    Breezy.
    Chance
    T-storms then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47. Breezy, with a northwest wind 18 to 23 mph decreasing to 11 to 16 mph after midnight.

    Low: 47 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. North northwest wind 11 to 14 mph.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46. North wind 5 to 13 mph.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers likely, mainly after 2am. Mostly cloudy, with a low around 52. East wind 11 to 17 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, mainly before 4pm. High near 66. East wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A chance of showers before 9pm. Mostly cloudy, with a low around 48. East northeast wind 6 to 14 mph. 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 72. North northeast wind 6 to 11 mph becoming south southeast in the afternoon. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 51. South southeast wind 8 to 11 mph becoming southwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly sunny, with a high near 72. Breezy, with a west northwest wind 11 to 16 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 47. Breezy, with a northwest wind 18 to 23 mph decreasing to 11 to 16 mph after midnight.
Wednesday
Mostly sunny, with a high near 71. North northwest wind 11 to 14 mph.
Wednesday Night
Partly cloudy, with a low around 46. North wind 5 to 13 mph.
Thursday
Mostly sunny, with a high near 75.
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 77. Breezy. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Breezy. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Breezy. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Tolstoy SD
 45.23°N 99.58°W (Elev. 1923 ft)
Last Update:
5:31 pm CDT Jun 20, 2026
Forecast Valid:
6pm CDT Jun 20, 2026-6pm CDT Jun 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation