Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Clinton, Clinton-Sherman Airport (KCSM)

Lat: 35.36°NLon: 99.2°WElev: 1919ft.

Fair

79°F

26°C

Humidity 67%
Wind Speed SE 13 mph
Barometer 30.06 in (1015.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 18 Aug 2:53 am CDT
Extended Forecast for

5 Miles NNW Custer City OK

Heat Advisory August 18, 11:00am until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Mostly clear, with a low around 72. Southeast wind around 7 mph.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 105. Southeast wind 6 to 13 mph becoming southwest in the morning. Winds could gust as high as 20 mph.

    High: 105 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 78. South southwest wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 104. Southwest wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 104 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 72. East southeast wind 10 to 13 mph becoming northeast after midnight. Winds could gust as high as 20 mph.

    Low: 72 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 72. Southeast wind around 7 mph.
Tuesday
Sunny and hot, with a high near 105. Southeast wind 6 to 13 mph becoming southwest in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Clear, with a low around 78. South southwest wind 10 to 13 mph, with gusts as high as 20 mph.
Wednesday
Sunny and hot, with a high near 104. Southwest wind 10 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 72. East southeast wind 10 to 13 mph becoming northeast after midnight. Winds could gust as high as 20 mph.
Thursday
Mostly sunny and hot, with a high near 100.
Thursday Night
Mostly clear, with a low around 72.
Friday
Sunny and hot, with a high near 102.
Friday Night
Mostly clear, with a low around 74.
Saturday
Sunny and hot, with a high near 105.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 76.
Sunday
Sunny and hot, with a high near 107.
Sunday Night
Mostly clear, with a low around 78.
Monday
Sunny and hot, with a high near 107.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Custer City OK
 35.72°N 98.94°W
1:26 am CDT Aug 18, 2026
3am CDT Aug 18, 2026-6pm CDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database