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 >

Current conditions at

Shawnee, Shawnee Municipal Airport (KSNL)

Lat: 35.36°NLon: 96.94°WElev: 1073ft.

Fair

108°F

42°C

Humidity 10%
Wind Speed S 12 mph
Barometer 29.89 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 18 Aug 6:35 pm CDT
Extended Forecast for

Harjo OK

Extreme Heat Warning August 19, 11:00am until August 19, 08:00pm
Extreme Heat Warning August 18, 06:58pm until August 18, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
...
  •  
    Extreme Heat Warning August 18, 06:58pm until August 18, 08:00pm

    NOW until 8:00pm Tue

    Extreme Heat Warning

  • Tonight

    Low: 81 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 108. Southwest wind 8 to 10 mph.

    High: 108 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. South wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 104. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 104 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74. East northeast wind 3 to 6 mph.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 103.

    High: 103 °F

    Hot

Detailed Forecast

Tonight
Clear, with a low around 81. South wind 6 to 9 mph.
Wednesday
Sunny and hot, with a high near 108. Southwest wind 8 to 10 mph.
Wednesday Night
Mostly clear, with a low around 77. South wind 5 to 8 mph becoming light and variable after midnight.
Thursday
Sunny and hot, with a high near 104. Calm wind becoming northeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 74. East northeast wind 3 to 6 mph.
Friday
Sunny and hot, with a high near 102.
Friday Night
Mostly clear, with a low around 74.
Saturday
Sunny and hot, with a high near 103.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Mostly sunny and hot, with a high near 105.
Sunday Night
Mostly clear, with a low around 79.
Monday
Sunny and hot, with a high near 106.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Sunny and hot, with a high near 104.
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ABOUT THIS FORECAST

 
Point Forecast:
Harjo OK
 35.22°N 96.82°W
2:31 pm CDT Aug 18, 2026
6pm CDT Aug 18, 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