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

Mexia Limestone County Airport (KLXY)

Lat: 31.64°NLon: 96.51°WElev: 545ft.

Partly Cloudy

98°F

37°C

Humidity 34%
Wind Speed SE 3 mph
Barometer 30.05 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 21 Aug 1:35 pm CDT
Extended Forecast for

Mexia TX

Heat Advisory August 21, 01:50pm until August 22, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 21, 01:50pm until August 22, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 102 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 77. South southeast wind around 5 mph.

    Low: 77 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 103. Heat index values as high as 106. South southwest wind around 5 mph becoming calm in the afternoon.

    High: 103 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 78. South wind around 5 mph.

    Low: 78 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 102. South southwest wind around 5 mph.

    High: 102 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 79. South wind 5 to 10 mph.

    Low: 79 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 102. South southwest wind 5 to 10 mph.

    High: 102 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 76. South wind around 10 mph.

    Low: 76 °F

    Clear

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 102. Heat index values as high as 106. South wind around 5 mph.
Tonight
Partly cloudy, with a low around 77. South southeast wind around 5 mph.
Saturday
Mostly sunny and hot, with a high near 103. Heat index values as high as 106. South southwest wind around 5 mph becoming calm in the afternoon.
Saturday Night
Partly cloudy, with a low around 78. South wind around 5 mph.
Sunday
Sunny and hot, with a high near 102. South southwest wind around 5 mph.
Sunday Night
Mostly clear, with a low around 79. South wind 5 to 10 mph.
Monday
Sunny and hot, with a high near 102. South southwest wind 5 to 10 mph.
Monday Night
Clear, with a low around 76. South wind around 10 mph.
Tuesday
Sunny and hot, with a high near 102. South southwest wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 101.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
Mostly sunny and hot, with a high near 100.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mexia TX
 31.67°N 96.49°W (Elev. 531 ft)
Last Update:
1:26 pm CDT Aug 21, 2026
Forecast Valid:
1pm 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