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

Granbury, Granbury Municipal Airport (KGDJ)

Lat: 32.44°NLon: 97.82°WElev: 778ft.

Fair with Haze

97°F

36°C

Humidity 39%
Wind Speed E 9 mph
Barometer 29.93 in
Dewpoint 68°F (20°C)
Visibility 4.00 mi
Heat Index102°F (39°C)
Last update 21 Aug 7:55 pm CDT
Extended Forecast for

Annetta South TX

Extreme Heat Warning August 21, 08:02pm until August 22, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 21, 08:02pm until August 22, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Tonight

    Low: 79 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 105. South wind around 5 mph becoming west northwest in the afternoon.

    High: 105 °F

    Hot

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 80. South wind 5 to 10 mph.

    Low: 80 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 105. Heat index values as high as 110. South southwest wind 5 to 10 mph.

    High: 105 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 81. South wind around 10 mph.

    Low: 81 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 106. Southwest wind 10 to 15 mph.

    High: 106 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 80. South wind around 15 mph, with gusts as high as 20 mph.

    Low: 80 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 105. Southwest wind 10 to 15 mph.

    High: 105 °F

    Hot

Detailed Forecast

Tonight
Partly cloudy, with a low around 79. South southeast wind 5 to 10 mph.
Saturday
Mostly sunny and hot, with a high near 105. South wind around 5 mph becoming west northwest in the afternoon.
Saturday Night
A 10 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 80. South wind 5 to 10 mph.
Sunday
Sunny and hot, with a high near 105. Heat index values as high as 110. South southwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 81. South wind around 10 mph.
Monday
Sunny and hot, with a high near 106. Southwest wind 10 to 15 mph.
Monday Night
Clear, with a low around 80. South wind around 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny and hot, with a high near 105. Southwest wind 10 to 15 mph.
Tuesday Night
Mostly clear, with a low around 80. South wind around 10 mph.
Wednesday
A slight chance of showers, with thunderstorms also possible after 1pm. Sunny and hot, with a high near 103. Chance of precipitation is 20%.
Wednesday Night
A 20 percent chance of showers. Mostly clear, with a low around 77.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 102.
Thursday Night
Mostly clear, with a low around 77.
Friday
A 20 percent chance of showers. Sunny and hot, with a high near 101.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Annetta South TX
 32.68°N 97.64°W (Elev. 899 ft)
Last Update:
6:27 pm CDT Aug 21, 2026
Forecast Valid:
8pm CDT Aug 21, 2026-6pm CDT Aug 28, 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