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

57°F

14°C

Humidity 82%
Wind Speed SE 9 mph
Barometer 29.94 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 27 May 5:35 am CDT
Extended Forecast for

5 Miles SSW Tolstoy SD

  • Today

    Today: Sunny and hot, with a high near 92. Light south southeast wind becoming southeast 11 to 16 mph in the morning.

    High: 92 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 60. East southeast wind 10 to 16 mph.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 91. Breezy, with a south southeast wind 11 to 20 mph, with gusts as high as 28 mph.

    High: 91 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61. Breezy, with a south southeast wind 14 to 20 mph.

    Low: 61 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 88. Breezy, with a south southeast wind 14 to 24 mph, with gusts as high as 33 mph.

    High: 88 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 59. Breezy, with a southeast wind 15 to 23 mph, with gusts as high as 31 mph.

    Low: 59 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Breezy, with a southeast wind 17 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 40%.

    High: 86 °F

    Breezy.
    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Breezy, with a southeast wind 20 to 23 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.

    Low: 57 °F

    Chance
    T-storms and
    Breezy

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 83. Breezy, with a south southeast wind 20 to 23 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Today
Sunny and hot, with a high near 92. Light south southeast wind becoming southeast 11 to 16 mph in the morning.
Tonight
Partly cloudy, with a low around 60. East southeast wind 10 to 16 mph.
Thursday
Sunny and hot, with a high near 91. Breezy, with a south southeast wind 11 to 20 mph, with gusts as high as 28 mph.
Thursday Night
Partly cloudy, with a low around 61. Breezy, with a south southeast wind 14 to 20 mph.
Friday
Partly sunny, with a high near 88. Breezy, with a south southeast wind 14 to 24 mph, with gusts as high as 33 mph.
Friday Night
Mostly cloudy, with a low around 59. Breezy, with a southeast wind 15 to 23 mph, with gusts as high as 31 mph.
Saturday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Breezy, with a southeast wind 17 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Breezy, with a southeast wind 20 to 23 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 83. Breezy, with a south southeast wind 20 to 23 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 55. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 53. Chance of precipitation is 40%.
Tuesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 81. 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:
5:36 am CDT May 27, 2026
Forecast Valid:
5am CDT May 27, 2026-6pm CDT Jun 2, 2026
 
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