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

Heat Persists in the South Central U.S. and California; Heavy Rain in the Ohio Valley

Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest and California this week with limited nighttime relief. Heavy rainfall will lead to localized areas of flash flooding in parts of the Ohio Valley/Central Appalachians. Dry and breezy conditions will enhance fire weather concerns across the northern Rockies and High Plains. Read More >

Current conditions at

Clinton, Clinton-Sherman Airport (KCSM)

Lat: 35.36°NLon: 99.2°WElev: 1919ft.

Fair

89°F

32°C

Humidity 41%
Wind Speed S 14 mph
Barometer 30.04 in (1013.9 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 9 Sep 10:53 pm CDT
Extended Forecast for

Clinton Regional Airport OK

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 74. South wind 7 to 10 mph.

    Low: 74 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. East wind 6 to 9 mph becoming north in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. East southeast wind 5 to 8 mph.

    Low: 68 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: Partly sunny, then gradually becoming sunny and hot, with a high near 97. South wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 74. South southeast wind around 14 mph, with gusts as high as 21 mph.

    Low: 74 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 74.

    Low: 74 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 75.

    Low: 75 °F

    Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 74. South wind 7 to 10 mph.
Thursday
A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. East wind 6 to 9 mph becoming north in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. East southeast wind 5 to 8 mph.
Friday
Partly sunny, then gradually becoming sunny and hot, with a high near 97. South wind 6 to 14 mph, with gusts as high as 22 mph.
Friday Night
Clear, with a low around 74. South southeast wind around 14 mph, with gusts as high as 21 mph.
Saturday
Sunny and hot, with a high near 101.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 74.
Sunday
Sunny and hot, with a high near 99.
Sunday Night
Clear, with a low around 75.
Monday
Sunny and hot, with a high near 99.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 71.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clinton Regional Airport OK
 35.54°N 98.93°W
Last Update:
8:42 pm CDT Sep 9, 2026
Forecast Valid:
11pm CDT Sep 9, 2026-6pm CDT Sep 16, 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