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

100°F

38°C

Humidity 27%
Wind Speed E 9 mph
Barometer 29.96 in (1011.3 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 19 Aug 2:53 pm CDT
Extended Forecast for

Mayfield OK

Heat Advisory August 19, 03:26pm until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 19, 03:26pm until August 19, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 106 °F

    Hot

  • Tonight

    Tonight: Increasing clouds, with a low around 72. South wind 6 to 9 mph becoming north northeast after midnight.

    Low: 72 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Sunny and hot, with a high near 102. East northeast wind 6 to 9 mph.

    High: 102 °F

    Hot

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 73. East wind 5 to 8 mph becoming calm  after midnight.

    Low: 73 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Sunny and hot, with a high near 104. Calm wind becoming south 5 to 7 mph in the morning.

    High: 104 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Saturday

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

    High: 104 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 106. South southwest wind around 9 mph.
Tonight
Increasing clouds, with a low around 72. South wind 6 to 9 mph becoming north northeast after midnight.
Thursday
Sunny and hot, with a high near 102. East northeast wind 6 to 9 mph.
Thursday Night
A 10 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 73. East wind 5 to 8 mph becoming calm after midnight.
Friday
Sunny and hot, with a high near 104. Calm wind becoming south 5 to 7 mph in the morning.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny and hot, with a high near 104.
Saturday Night
Mostly clear, with a low around 73.
Sunday
Sunny and hot, with a high near 106.
Sunday Night
Mostly clear, with a low around 77.
Monday
Sunny and hot, with a high near 106.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 75.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 104.
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ABOUT THIS FORECAST

 
Point Forecast:
Mayfield OK
 35.33°N 99.89°W
1:27 pm CDT Aug 19, 2026
3pm CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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