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

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Current conditions at

Clinton, Clinton-Sherman Airport (KCSM)

Lat: 35.36°NLon: 99.2°WElev: 1919ft.

Overcast

68°F

20°C

Humidity 96%
Wind Speed SE 7 mph
Barometer 29.98 in (1012.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 20 Jun 5:53 am CDT
Extended Forecast for

Clinton OK

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 91. Light south southeast wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

    High: 91 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 73. South southeast wind 15 to 18 mph, with gusts as high as 28 mph.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 101. Heat index values as high as 105. South southwest wind 16 to 21 mph, with gusts as high as 31 mph.

    High: 101 °F

    Hot

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind around 11 mph becoming east northeast after midnight.

    Low: 70 °F

    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. East northeast wind 11 to 13 mph, with gusts as high as 20 mph.

    High: 87 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.

    Low: 66 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 91. Light south southeast wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Partly cloudy, with a low around 73. South southeast wind 15 to 18 mph, with gusts as high as 28 mph.
Sunday
Sunny and hot, with a high near 101. Heat index values as high as 105. South southwest wind 16 to 21 mph, with gusts as high as 31 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind around 11 mph becoming east northeast after midnight.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. East northeast wind 11 to 13 mph, with gusts as high as 20 mph.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 88.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 67. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 87.
Wednesday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 67. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clinton OK
 35.49°N 98.96°W
Last Update:
1:27 am CDT Jun 20, 2026
Forecast Valid:
6am CDT Jun 20, 2026-6pm CDT Jun 26, 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