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

Hillsboro, Hillsboro Municipal Airport (KINJ)

Lat: 32.08°NLon: 97.1°WElev: 686ft.

Partly Cloudy

103°F

39°C

Humidity 31%
Wind Speed N 6 mph
Barometer 30.02 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index108°F (42°C)
Last update 21 Aug 2:15 pm CDT
Extended Forecast for

Grandview TX

Extreme Heat Warning August 21, 02:30pm until August 22, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 21, 02:30pm until August 22, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • This Afternoon

    High: 104 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 79. South wind around 5 mph.

    Low: 79 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 105. South southwest wind around 5 mph.

    High: 105 °F

    Hot

  • Saturday Night

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

    Low: 80 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 104. Southwest wind around 5 mph.

    High: 104 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 81. South wind 5 to 10 mph.

    Low: 81 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 104. South southwest wind around 10 mph.

    High: 104 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 79. South wind around 10 mph.

    Low: 79 °F

    Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 104. Heat index values as high as 107. South southeast wind around 5 mph.
Tonight
Mostly clear, with a low around 79. South wind around 5 mph.
Saturday
Mostly sunny and hot, with a high near 105. South southwest wind around 5 mph.
Saturday Night
A 10 percent chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 80. South wind around 5 mph.
Sunday
Sunny and hot, with a high near 104. Southwest wind around 5 mph.
Sunday Night
Mostly clear, with a low around 81. South wind 5 to 10 mph.
Monday
Sunny and hot, with a high near 104. South southwest wind around 10 mph.
Monday Night
Clear, with a low around 79. South wind around 10 mph.
Tuesday
Sunny and hot, with a high near 104. South southwest wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 79.
Wednesday
Sunny and hot, with a high near 103.
Wednesday Night
Mostly clear, with a low around 78.
Thursday
Sunny and hot, with a high near 102.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grandview TX
 32.28°N 97.17°W (Elev. 650 ft)
Last Update:
1:26 pm CDT Aug 21, 2026
Forecast Valid:
2pm CDT Aug 21, 2026-6pm CDT Aug 27, 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