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

Severe Thunderstorms and Heavy Rainfall Today from the Central Plains into the Tennessee Valley

Severe thunderstorms capable of damaging winds will be possible from the Ozark Plateau east into portions of the Southeast today. Rounds of heavy thunderstorms ahead of a slow moving front will continue locally heavy rainfall and scattered flash flooding potential from the Ozarks to the Ohio and Tennessee Valleys today. Read More >

Hazardous Weather Conditions

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Fair

88°F

31°C

Humidity 46%
Wind Speed SE 9 mph
Barometer 30.00 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 11 Jul 8:15 pm CDT
Extended Forecast for

5 Miles SSW Tolstoy SD

Extreme Heat Warning July 11, 08:38pm until July 14, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 11, 08:38pm until July 14, 07:00pm

    NOW until 7:00pm Tue

    Extreme Heat Warning

  • Tonight

    Low: 71 °F

    Clear and
    Breezy then
    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 101. Breezy, with a south wind 16 to 21 mph, with gusts as high as 30 mph.

    High: 101 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. Breezy, with a south wind around 21 mph, with gusts as high as 30 mph.

    Low: 73 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Sunny and hot, with a high near 102. Breezy, with a south wind 21 to 23 mph, with gusts as high as 33 mph.

    High: 102 °F

    Hot and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. Breezy, with a south wind 18 to 24 mph, with gusts as high as 33 mph.

    Low: 73 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 102. South wind around 17 mph, with gusts as high as 26 mph.

    High: 102 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. Breezy, with a south wind 17 to 20 mph, with gusts as high as 28 mph.

    Low: 70 °F

    Clear then
    Mostly Clear
    and Breezy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 102. Breezy, with a south wind 15 to 20 mph, with gusts as high as 29 mph.

    High: 102 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

Tonight
Clear, with a low around 71. Breezy, with a south wind 17 to 20 mph.
Sunday
Sunny and hot, with a high near 101. Breezy, with a south wind 16 to 21 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 73. Breezy, with a south wind around 21 mph, with gusts as high as 30 mph.
Monday
Sunny and hot, with a high near 102. Breezy, with a south wind 21 to 23 mph, with gusts as high as 33 mph.
Monday Night
Mostly clear, with a low around 73. Breezy, with a south wind 18 to 24 mph, with gusts as high as 33 mph.
Tuesday
Sunny and hot, with a high near 102. South wind around 17 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 70. Breezy, with a south wind 17 to 20 mph, with gusts as high as 28 mph.
Wednesday
Sunny and hot, with a high near 102. Breezy, with a south wind 15 to 20 mph, with gusts as high as 29 mph.
Wednesday Night
Mostly clear, with a low around 71. Breezy, with a south wind 18 to 20 mph, with gusts as high as 28 mph.
Thursday
Mostly sunny and hot, with a high near 101.
Thursday Night
Mostly clear, with a low around 71.
Friday
Mostly sunny and hot, with a high near 100.
Friday Night
Mostly clear, with a low around 69.
Saturday
Mostly sunny and hot, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Tolstoy SD
 45.14°N 99.66°W (Elev. 1929 ft)
Last Update:
8:36 pm CDT Jul 11, 2026
Forecast Valid:
8pm CDT Jul 11, 2026-6pm CDT Jul 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation