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 >

Current conditions at

Stillwater, Stillwater Regional Airport (KSWO)

Lat: 36.16°NLon: 97.09°WElev: 984ft.

Fair

71°F

22°C

Humidity 87%
Wind Speed NE 6 mph
Barometer 30.04 in (1015.9 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 23 Aug 4:53 am CDT
Extended Forecast for

6 Miles WNW Sumner OK

  • Today

    Today: Isolated thunderstorms after 4pm.  Mostly cloudy, then gradually becoming sunny and hot, with a high near 97. Heat index values as high as 103. East southeast wind 8 to 11 mph.  Chance of precipitation is 10%.

    High: 97 °F

    Partly Sunny
    then Isolated
    T-storms

  • Tonight

    Tonight: Isolated thunderstorms before 1am, then a slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am.  Mostly clear, with a low around 72. East wind around 11 mph.  Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing and hot, with a high near 99. Heat index values as high as 106. East southeast wind 9 to 11 mph.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. East northeast wind 6 to 9 mph.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 98. Northeast wind 5 to 9 mph.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

Detailed Forecast

Today
Isolated thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny and hot, with a high near 97. Heat index values as high as 103. East southeast wind 8 to 11 mph. Chance of precipitation is 10%.
Tonight
Isolated thunderstorms before 1am, then a slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly clear, with a low around 72. East wind around 11 mph. Chance of precipitation is 20%.
Monday
Mostly cloudy through mid morning, then gradual clearing and hot, with a high near 99. Heat index values as high as 106. East southeast wind 9 to 11 mph.
Monday Night
Mostly clear, with a low around 72. East northeast wind 6 to 9 mph.
Tuesday
Mostly sunny and hot, with a high near 98. Northeast wind 5 to 9 mph.
Tuesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 72.
Wednesday
Mostly sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Mostly sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 70.
Friday
Mostly sunny, with a high near 96.
Friday Night
Mostly clear, with a low around 73.
Saturday
Mostly sunny and hot, with a high near 98.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Sumner OK
 36.33°N 97.23°W
1:27 am CDT Aug 23, 2026
5am CDT Aug 23, 2026-6pm CDT Aug 29, 2026
 
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Additional Resources

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