National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Hazardous Weather Conditions

Current conditions at

Sallisaw, Sallisaw Municipal Airport (KJSV)

Lat: 35.44°NLon: 94.8°WElev: 528ft.

Fair

100°F

38°C

Humidity NA
Wind Speed Calm
Barometer 29.85 in
Dewpoint N/A
Visibility 9.00 mi
Last update 18 Aug 7:35 pm CDT
Extended Forecast for

5 Miles SE Stilwell OK

Heat Advisory until August 19, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 19, 09:00pm

    NOW until 9:00pm Wed

    Heat Advisory

  • Tonight

    Low: 77 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 103. South wind 5 to 10 mph becoming west in the afternoon.

    High: 103 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. West wind around 5 mph becoming east after midnight.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 97. Heat index values as high as 101. East wind around 5 mph becoming north in the afternoon.

    High: 97 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. Northeast wind around 5 mph.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 98. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 98 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 72. Northeast wind around 5 mph becoming southeast after midnight.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 97. Southeast wind around 5 mph becoming northeast in the afternoon.

    High: 97 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 77. Southeast wind around 5 mph.
Wednesday
Sunny and hot, with a high near 103. South wind 5 to 10 mph becoming west in the afternoon.
Wednesday Night
Mostly clear, with a low around 75. West wind around 5 mph becoming east after midnight.
Thursday
Mostly sunny, with a high near 97. Heat index values as high as 101. East wind around 5 mph becoming north in the afternoon.
Thursday Night
Mostly clear, with a low around 72. Northeast wind around 5 mph.
Friday
Sunny, with a high near 98. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 72. Northeast wind around 5 mph becoming southeast after midnight.
Saturday
Sunny, with a high near 97. Southeast wind around 5 mph becoming northeast in the afternoon.
Saturday Night
Mostly clear, with a low around 73. Calm wind becoming southeast around 5 mph after midnight.
Sunday
Sunny, with a high near 97. South wind around 5 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 76. Southeast wind 5 to 10 mph.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 99. South wind around 10 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 76. Southeast wind around 5 mph.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 99. South wind 5 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Stilwell OK
 35.76°N 94.56°W
Last Update:
6:50 pm CDT Aug 18, 2026
Forecast Valid:
7pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation