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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Hazardous Weather Conditions

Current conditions at

Shawnee, Shawnee Municipal Airport (KSNL)

Lat: 35.36°NLon: 96.94°WElev: 1073ft.

Fair

95°F

35°C

Humidity 29%
Wind Speed E 9 mph
Barometer 30.00 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 22 Aug 5:55 pm CDT
Extended Forecast for

6 Miles W Cromwell OK

Heat Advisory August 23, 12:00pm until August 23, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. East southeast wind 3 to 7 mph.

    Low: 73 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 103. Heat index values as high as 106. East southeast wind 5 to 7 mph.

    High: 103 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 78. East southeast wind around 8 mph.

    Low: 78 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 108. South southeast wind 8 to 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 108 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. North northwest wind 5 to 7 mph becoming light and variable after midnight.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 104.

    High: 104 °F

    Hot

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73.

    Low: 73 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms. Partly sunny and hot, with a high near 99.

    High: 99 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.

    Low: 70 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. East southeast wind 3 to 7 mph.
Sunday
Mostly sunny and hot, with a high near 103. Heat index values as high as 106. East southeast wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 78. East southeast wind around 8 mph.
Monday
Mostly sunny and hot, with a high near 108. South southeast wind 8 to 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 76. North northwest wind 5 to 7 mph becoming light and variable after midnight.
Tuesday
Mostly sunny and hot, with a high near 104.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny and hot, with a high near 99.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Thursday
Mostly sunny and hot, with a high near 99.
Thursday Night
Mostly clear, with a low around 70.
Friday
Sunny and hot, with a high near 100.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny and hot, with a high near 102.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Cromwell OK
 35.35°N 96.58°W
Last Update:
1:52 pm CDT Aug 22, 2026
Forecast Valid:
6pm CDT Aug 22, 2026-6pm CDT Aug 29, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation