National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 >

Hazardous Weather Conditions

Current conditions at

Fort Hood, Robert Gray AAF Ft Hood (KGRK)

Lat: 31.07°NLon: 97.82°WElev: 1014ft.

Fair

94°F

34°C

Humidity 35%
Wind Speed SE 10 mph
Barometer 29.89 in (1010.6 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 19 Aug 7:55 pm CDT
Extended Forecast for

Harker Heights TX

Heat Advisory August 19, 08:57pm until August 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 19, 08:57pm until August 20, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • Tonight

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 102. Heat index values as high as 105. Southwest wind around 5 mph.

    High: 102 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 77. South wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 102. Heat index values as high as 105. South southwest wind around 5 mph becoming southeast in the afternoon.

    High: 102 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 78. South southeast wind around 5 mph.

    Low: 78 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 104. West southwest wind around 5 mph becoming calm.

    High: 104 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. Southeast wind around 5 mph becoming south southwest after midnight.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 103. Southwest wind around 5 mph becoming south southeast in the afternoon.

    High: 103 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 77. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny and hot, with a high near 102. Heat index values as high as 105. Southwest wind around 5 mph.
Thursday Night
Mostly clear, with a low around 77. South wind 5 to 10 mph.
Friday
Sunny and hot, with a high near 102. Heat index values as high as 105. South southwest wind around 5 mph becoming southeast in the afternoon.
Friday Night
Mostly clear, with a low around 78. South southeast wind around 5 mph.
Saturday
Sunny and hot, with a high near 104. West southwest wind around 5 mph becoming calm.
Saturday Night
Mostly clear, with a low around 77. Southeast wind around 5 mph becoming south southwest after midnight.
Sunday
Sunny and hot, with a high near 103. Southwest wind around 5 mph becoming south southeast in the afternoon.
Sunday Night
Mostly clear, with a low around 77. South wind 5 to 10 mph.
Monday
Sunny and hot, with a high near 102.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Sunny and hot, with a high near 102.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny and hot, with a high near 102.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harker Heights TX
 31.07°N 97.68°W (Elev. 846 ft)
Last Update:
6:12 pm CDT Aug 19, 2026
Forecast Valid:
8pm CDT Aug 19, 2026-6pm CDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation