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Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northwestern Gulf Coast from south central Louisiana to the upper Texas coast today. Read More >

Hazardous Weather Conditions

Current conditions at

Clinton, Clinton-Sherman Airport (KCSM)

Lat: 35.36°NLon: 99.2°WElev: 1919ft.

A Few Clouds

97°F

36°C

Humidity 43%
Wind Speed SE 12 G 18 mph
Barometer 30.03 in (1013.7 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 23 Jul 1:53 pm CDT
Extended Forecast for

Clinton-Sherman Airport OK

Heat Advisory until July 23, 08:00pm
Heat Advisory July 24, 12:00pm until July 24, 08:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  •  
    Heat Advisory until July 23, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 101 °F

    Hot

  • Tonight

    Tonight: Increasing clouds, with a low around 75. South southeast wind 16 to 20 mph, with gusts as high as 30 mph.

    Low: 75 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly sunny and hot, with a high near 100. Heat index values as high as 104. South wind 15 to 17 mph, with gusts as high as 26 mph.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. South wind 15 to 17 mph, with gusts as high as 26 mph.

    Low: 77 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 100. South southwest wind 13 to 15 mph, with gusts as high as 23 mph.

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 103.

    High: 103 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 101. Heat index values as high as 107. South southeast wind 14 to 16 mph, with gusts as high as 24 mph.
Tonight
Increasing clouds, with a low around 75. South southeast wind 16 to 20 mph, with gusts as high as 30 mph.
Friday
Mostly sunny and hot, with a high near 100. Heat index values as high as 104. South wind 15 to 17 mph, with gusts as high as 26 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. South wind 15 to 17 mph, with gusts as high as 26 mph.
Saturday
Mostly sunny and hot, with a high near 100. South southwest wind 13 to 15 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny and hot, with a high near 103.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny and hot, with a high near 105.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Sunny and hot, with a high near 105.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny and hot, with a high near 105.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clinton-Sherman Airport OK
 35.35°N 99.2°W
Last Update:
1:46 pm CDT Jul 23, 2026
Forecast Valid:
2pm CDT Jul 23, 2026-6pm CDT Jul 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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