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

Norman / Max Westheimer (KOUN)

Lat: 35.24°NLon: 97.47°WElev: 1182ft.

Fair

97°F

36°C

Humidity 32%
Wind Speed S 14 mph
Barometer 29.97 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 21 Aug 4:45 pm CDT
Extended Forecast for

3 Miles NNW Slaughterville OK

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am.  Partly cloudy, with a low around 78. South wind 7 to 11 mph.

    Low: 78 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms, then a chance of showers after 7am.  Mostly sunny and hot, with a high near 103. South wind 7 to 10 mph becoming east northeast in the afternoon.  Chance of precipitation is 30%.

    High: 103 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 76. East southeast wind 7 to 9 mph.

    Low: 76 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 103. Heat index values as high as 107. Southeast wind 6 to 9 mph.

    High: 103 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 79. South southeast wind around 11 mph.

    Low: 79 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 107.

    High: 107 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 79.

    Low: 79 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 104.

    High: 104 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 78. South wind 7 to 11 mph.
Saturday
A slight chance of showers and thunderstorms, then a chance of showers after 7am. Mostly sunny and hot, with a high near 103. South wind 7 to 10 mph becoming east northeast in the afternoon. Chance of precipitation is 30%.
Saturday Night
Increasing clouds, with a low around 76. East southeast wind 7 to 9 mph.
Sunday
Mostly sunny and hot, with a high near 103. Heat index values as high as 107. Southeast wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 79. South southeast wind around 11 mph.
Monday
Sunny and hot, with a high near 107.
Monday Night
Mostly clear, with a low around 79.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 104.
Tuesday Night
Partly cloudy, with a low around 77.
Wednesday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny and hot, with a high near 100.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny and hot, with a high near 100.
Thursday Night
Mostly clear, with a low around 75.
Friday
Sunny and hot, with a high near 100.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Slaughterville OK
 35.14°N 97.29°W
1:27 pm CDT Aug 21, 2026
5pm CDT Aug 21, 2026-6pm CDT Aug 28, 2026
 
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Additional Resources

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Hourly Weather Forecast

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