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

87°F

31°C

Humidity 32%
Wind Speed S 14 mph
Barometer 29.94 in (1010.5 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 19 Aug 12:53 am CDT
Extended Forecast for

Foss OK

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

    Overnight: Clear, with a low around 79. South southwest wind around 15 mph, with gusts as high as 23 mph.

    Low: 79 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 107. Southwest wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 107 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. Southeast wind 8 to 11 mph becoming northeast after midnight.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 103. East northeast wind 7 to 9 mph.

    High: 103 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74. East wind 5 to 9 mph.

    Low: 74 °F

    Mostly Clear

  • Friday

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

    High: 104 °F

    Hot

  • Friday Night

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

    Low: 76 °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

Overnight
Clear, with a low around 79. South southwest wind around 15 mph, with gusts as high as 23 mph.
Wednesday
Sunny and hot, with a high near 107. Southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 74. Southeast wind 8 to 11 mph becoming northeast after midnight.
Thursday
Mostly sunny and hot, with a high near 103. East northeast wind 7 to 9 mph.
Thursday Night
Mostly clear, with a low around 74. East wind 5 to 9 mph.
Friday
Sunny and hot, with a high near 104.
Friday Night
Mostly clear, with a low around 76.
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 107.
Sunday Night
Mostly clear, with a low around 79.
Monday
Sunny and hot, with a high near 107.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Sunny and hot, with a high near 105.
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ABOUT THIS FORECAST

 
Point Forecast:
Foss OK
 35.44°N 99.18°W
1:26 am CDT Aug 19, 2026
1am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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