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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Clinton, Clinton-Sherman Airport (KCSM)

Lat: 35.36°NLon: 99.2°WElev: 1919ft.

Thunderstorm Light Rain and Windy

78°F

26°C

Humidity 58%
Wind Speed SW 28 G 41 mph
Barometer 29.95 in (1011.7 mb)
Dewpoint 62°F (17°C)
Visibility 7.00 mi
Heat Index80°F (27°C)
Last update 19 Sep 9:53 pm CDT
Extended Forecast for

Clinton-Sherman Airport OK

  • Overnight

    Overnight: A chance of showers before 1am, then a slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 76. South wind around 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    Low: 76 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 95. Southwest wind 7 to 13 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 95 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms between 10pm and 1am, then a slight chance of showers. Increasing clouds, with a low around 65. East northeast wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 85. North northeast wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 85 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. Northeast wind 8 to 11 mph.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers

Detailed Forecast

Overnight
A chance of showers before 1am, then a slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 76. South wind around 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Sunday
A slight chance of showers before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 95. Southwest wind 7 to 13 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms between 10pm and 1am, then a slight chance of showers. Increasing clouds, with a low around 65. East northeast wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday
A 20 percent chance of showers before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 85. North northeast wind 11 to 15 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 62. Northeast wind 8 to 11 mph.
Tuesday
Partly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Partly sunny, with a high near 84.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 64.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 87.
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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:
12:07 am CDT Sep 20, 2026
Forecast Valid:
12am CDT Sep 20, 2026-6pm CDT Sep 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