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

109°F

43°C

Humidity 10%
Wind Speed S 8 G 16 mph
Barometer 29.89 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 18 Aug 5:55 pm CDT
Extended Forecast for

3 Miles E Johnson OK

Extreme Heat Warning August 19, 11:00am until August 19, 08:00pm
Extreme Heat Warning August 18, 06:22pm until August 18, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
...
  •  
    Extreme Heat Warning August 18, 06:22pm until August 18, 08:00pm

    NOW until 8:00pm Tue

    Extreme Heat Warning

  • Tonight

    Low: 80 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 108. Southwest wind around 11 mph.

    High: 108 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. South wind 5 to 9 mph becoming east after midnight.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 103. Heat index values as high as 106. Northeast wind 3 to 6 mph.

    High: 103 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. East northeast wind 3 to 8 mph.

    Low: 73 °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 73.

    Low: 73 °F

    Mostly Clear

  • Saturday

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

    High: 102 °F

    Hot

Detailed Forecast

Tonight
Clear, with a low around 80. South wind 7 to 11 mph.
Wednesday
Sunny and hot, with a high near 108. Southwest wind around 11 mph.
Wednesday Night
Mostly clear, with a low around 76. South wind 5 to 9 mph becoming east after midnight.
Thursday
Sunny and hot, with a high near 103. Heat index values as high as 106. Northeast wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 73. East northeast wind 3 to 8 mph.
Friday
Sunny and hot, with a high near 102.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny and hot, with a high near 102.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny and hot, with a high near 104.
Sunday Night
Mostly clear, with a low around 78.
Monday
Sunny and hot, with a high near 105.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Sunny and hot, with a high near 103.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Johnson OK
 35.4°N 96.8°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