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

Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Hazardous Weather Conditions

Current conditions at

Clinton, Clinton-Sherman Airport (KCSM)

Lat: 35.36°NLon: 99.2°WElev: 1919ft.

Fair and Breezy

96°F

36°C

Humidity 29%
Wind Speed S 22 G 32 mph
Barometer 29.83 in (1006.8 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 13 Aug 8:53 pm CDT
Extended Forecast for

Thomas OK

Heat Advisory August 13, 09:12pm until August 14, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 13, 09:12pm until August 14, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 81 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 103. South southwest wind 16 to 20 mph, with gusts as high as 30 mph.

    High: 103 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 78. South wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 78 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 102. South southwest wind 14 to 16 mph, with gusts as high as 24 mph.

    High: 102 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. South wind 10 to 16 mph, with gusts as high as 24 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

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

    High: 102 °F

    Hot

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73.

    Low: 73 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 99.

    High: 99 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 81. South wind around 17 mph, with gusts as high as 26 mph.
Friday
Sunny and hot, with a high near 103. South southwest wind 16 to 20 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 78. South wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday
Sunny and hot, with a high near 102. South southwest wind 14 to 16 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 77. South wind 10 to 16 mph, with gusts as high as 24 mph.
Sunday
Sunny and hot, with a high near 102.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 99.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
Mostly sunny and hot, with a high near 102.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
Sunny and hot, with a high near 104.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Sunny and hot, with a high near 102.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thomas OK
 35.74°N 98.74°W
Last Update:
7:47 pm CDT Aug 13, 2026
Forecast Valid:
9pm CDT Aug 13, 2026-6pm CDT Aug 20, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation