Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Clinton, Clinton-Sherman Airport (KCSM)

Lat: 35.36°NLon: 99.2°WElev: 1919ft.

Fair

101°F

38°C

Humidity 19%
Wind Speed S 13 mph
Barometer 29.91 in (1009.7 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 18 Aug 7:53 pm CDT
Extended Forecast for

2 Miles W Clinton OK

Heat Advisory August 19, 11:00am until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Tonight

    Tonight: Clear, with a low around 80. South southwest wind around 11 mph.

    Low: 80 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 108. South southwest wind 8 to 11 mph becoming west in the morning.

    High: 108 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73. East northeast wind 8 to 10 mph.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny and hot, with a high near 103. Northeast wind 6 to 9 mph.

    High: 103 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 73. East wind 5 to 9 mph.

    Low: 73 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and hot, with a high near 104.

    High: 104 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 106.

    High: 106 °F

    Hot

  • Saturday Night

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

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 80. South southwest wind around 11 mph.
Wednesday
Sunny and hot, with a high near 108. South southwest wind 8 to 11 mph becoming west in the morning.
Wednesday Night
Mostly clear, with a low around 73. East northeast wind 8 to 10 mph.
Thursday
Mostly cloudy, then gradually becoming sunny and hot, with a high near 103. Northeast wind 6 to 9 mph.
Thursday Night
Partly cloudy, with a low around 73. East wind 5 to 9 mph.
Friday
Sunny and hot, with a high near 104.
Friday Night
Mostly clear, with a low around 75.
Saturday
Sunny and hot, with a high near 106.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny and hot, with a high near 108.
Sunday Night
Mostly clear, with a low around 79.
Monday
Sunny and hot, with a high near 108.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Sunny and hot, with a high near 107.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Clinton OK
 35.51°N 99.01°W
2:31 pm CDT Aug 18, 2026
8pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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