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

108°F

42°C

Humidity 21%
Wind Speed SW 10 G 16 mph
Barometer 29.81 in (1008.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index110°F (43°C)
Last update 19 Aug 3:53 pm CDT
Extended Forecast for

Scullyville OK

Heat Advisory August 20, 01:00pm until August 20, 08:00pm
Extreme Heat Warning August 19, 04:21pm until August 19, 09:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Extreme Heat Warning August 19, 04:21pm until August 19, 09:00pm

    NOW until 9:00pm Wed

    Extreme Heat Warning

  • This Afternoon

    High: 108 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 79. South wind 5 to 10 mph becoming northwest after midnight.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 104. Heat index values as high as 108. West wind around 5 mph becoming northeast in the morning.

    High: 104 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74. North wind around 5 mph becoming east after midnight.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 103. Calm wind becoming east around 5 mph in the afternoon.

    High: 103 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. East wind around 5 mph becoming calm  in the evening.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny and hot, with a high near 104. Calm wind becoming south around 5 mph in the afternoon.

    High: 104 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 75. East wind around 5 mph.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 108. Southwest wind around 10 mph.
Tonight
Mostly clear, with a low around 79. South wind 5 to 10 mph becoming northwest after midnight.
Thursday
Sunny and hot, with a high near 104. Heat index values as high as 108. West wind around 5 mph becoming northeast in the morning.
Thursday Night
Mostly clear, with a low around 74. North wind around 5 mph becoming east after midnight.
Friday
Sunny and hot, with a high near 103. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 74. East wind around 5 mph becoming calm in the evening.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 104. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 75. East wind around 5 mph.
Sunday
Sunny and hot, with a high near 104. East wind around 5 mph becoming south in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 103. Southeast wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 77. Southeast wind 5 to 15 mph.
Tuesday
Sunny and hot, with a high near 104. Southeast wind 5 to 10 mph becoming southwest in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
Scullyville OK
 35.27°N 94.56°W
3:50 pm CDT Aug 19, 2026
4pm CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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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