Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Shawnee, Shawnee Municipal Airport (KSNL)

Lat: 35.36°NLon: 96.94°WElev: 1073ft.

Fair

82°F

28°C

Humidity 43%
Wind Speed S 8 mph
Barometer 29.93 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 20 Aug 5:55 am CDT
Extended Forecast for

Pink OK

Heat Advisory August 20, 01:00pm until August 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: A 20 percent chance of showers and thunderstorms before 10am.  Mostly sunny and hot, with a high near 102. Calm wind becoming east southeast around 5 mph in the morning.

    High: 102 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 10pm.  Mostly cloudy, then becoming clear toward daybreak, with a low around 76. East southeast wind 3 to 7 mph.

    Low: 76 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 104. South southeast wind 3 to 6 mph.

    High: 104 °F

    Hot

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 76. East southeast wind 5 to 7 mph becoming south after midnight.

    Low: 76 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 103. South southwest wind around 6 mph becoming east in the afternoon.

    High: 103 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 102.

    High: 102 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms before 10am. Mostly sunny and hot, with a high near 102. Calm wind becoming east southeast around 5 mph in the morning.
Tonight
A 10 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, then becoming clear toward daybreak, with a low around 76. East southeast wind 3 to 7 mph.
Friday
Sunny and hot, with a high near 104. South southeast wind 3 to 6 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 76. East southeast wind 5 to 7 mph becoming south after midnight.
Saturday
Mostly sunny and hot, with a high near 103. South southwest wind around 6 mph becoming east in the afternoon.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Mostly sunny and hot, with a high near 100.
Sunday Night
Mostly clear, with a low around 77.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 102.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 78.
Tuesday
Mostly sunny and hot, with a high near 102.
Tuesday Night
Partly cloudy, with a low around 76.
Wednesday
Mostly sunny and hot, with a high near 99.
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ABOUT THIS FORECAST

 
Point Forecast:
Pink OK
 35.23°N 97.1°W
1:26 am CDT Aug 20, 2026
6am CDT Aug 20, 2026-6pm CDT Aug 26, 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