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

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

72°F

22°C

Humidity 85%
Wind Speed S 13 mph
Barometer 30.14 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 12 Jul 5:55 am CDT
Extended Forecast for

11 Miles E Stephan SD

Heat Advisory July 12, 06:07am until July 14, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 12, 06:07am until July 14, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • Today

    High: 96 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 72. South southeast wind around 18 mph, with gusts as high as 26 mph.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 97. Breezy, with a south wind 17 to 23 mph, with gusts as high as 31 mph.

    High: 97 °F

    Hot and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 71. Breezy, with a south wind 15 to 21 mph, with gusts as high as 29 mph.

    Low: 71 °F

    Clear and
    Breezy then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. South wind 13 to 15 mph.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. South southeast wind 11 to 15 mph, with gusts as high as 23 mph.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99. South wind 10 to 17 mph, with gusts as high as 25 mph.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73. South wind 15 to 17 mph, with gusts as high as 25 mph.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 96. Breezy, with a light south wind increasing to 15 to 20 mph in the morning.
Tonight
Mostly clear, with a low around 72. South southeast wind around 18 mph, with gusts as high as 26 mph.
Monday
Sunny and hot, with a high near 97. Breezy, with a south wind 17 to 23 mph, with gusts as high as 31 mph.
Monday Night
Mostly clear, with a low around 71. Breezy, with a south wind 15 to 21 mph, with gusts as high as 29 mph.
Tuesday
Sunny and hot, with a high near 99. South wind 13 to 15 mph.
Tuesday Night
Mostly clear, with a low around 70. South southeast wind 11 to 15 mph, with gusts as high as 23 mph.
Wednesday
Sunny and hot, with a high near 99. South wind 10 to 17 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 73. South wind 15 to 17 mph, with gusts as high as 25 mph.
Thursday
Sunny and hot, with a high near 100. South wind 14 to 18 mph.
Thursday Night
Mostly clear, with a low around 73.
Friday
Sunny and hot, with a high near 99.
Friday Night
Mostly clear, with a low around 72.
Saturday
Mostly sunny and hot, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles E Stephan SD
 44.27°N 99.23°W (Elev. 1877 ft)
Last Update:
5:36 am CDT Jul 12, 2026
Forecast Valid:
6am CDT Jul 12, 2026-6pm CDT Jul 18, 2026
 
Forecast Discussion
 
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Additional Resources

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