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

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Fair

79°F

26°C

Humidity 82%
Wind Speed Calm
Barometer 29.90 in (1011.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 19 Aug 5:53 am CDT
Extended Forecast for

Moffett OK

Extreme Heat Warning August 19, 05:57am until August 19, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 19, 05:57am until August 19, 09:00pm

    NOW until 9:00pm Wed

    Extreme Heat Warning

  • Today

    High: 108 °F

    Hot

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am.  Mostly clear, with a low around 79. Southwest wind around 5 mph becoming calm  after midnight.

    Low: 79 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms before 10am.  Sunny and hot, with a high near 103. Heat index values as high as 108. Calm wind becoming north around 5 mph in the afternoon.

    High: 103 °F

    Slight Chance
    T-storms then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. Northeast wind around 5 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 102. East wind around 5 mph becoming calm.

    High: 102 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. East wind around 5 mph.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 103. Calm wind becoming southwest around 5 mph.

    High: 103 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. East wind around 5 mph becoming calm.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 108. Heat index values as high as 112. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Tonight
A 20 percent chance of showers and thunderstorms after 4am. Mostly clear, with a low around 79. Southwest wind around 5 mph becoming calm after midnight.
Thursday
A 20 percent chance of showers and thunderstorms before 10am. Sunny and hot, with a high near 103. Heat index values as high as 108. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 76. Northeast wind around 5 mph.
Friday
Sunny and hot, with a high near 102. East wind around 5 mph becoming calm.
Friday Night
Mostly clear, with a low around 76. East wind around 5 mph.
Saturday
Sunny and hot, with a high near 103. Calm wind becoming southwest around 5 mph.
Saturday Night
Mostly clear, with a low around 77. East wind around 5 mph becoming calm.
Sunday
Sunny and hot, with a high near 103. East wind around 5 mph becoming south in the afternoon.
Sunday Night
Partly cloudy, with a low around 78. Southeast wind 5 to 10 mph.
Monday
Mostly sunny and hot, with a high near 103. East wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 78. Southeast wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 103. Southeast wind 5 to 10 mph becoming west in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Moffett OK
 35.4°N 94.45°W
3:50 am CDT Aug 19, 2026
5am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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