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.

Fair

82°F

28°C

Humidity 65%
Wind Speed SW 7 mph
Barometer 30.00 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 22 Aug 3:15 am CDT
Extended Forecast for

3 Miles NNE Reagan TX

Heat Advisory August 22, 03:29am until August 22, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 22, 03:29am until August 22, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Overnight

    Low: 79 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 105. Southwest wind 5 to 10 mph.

    High: 105 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 79. South southeast wind around 5 mph.

    Low: 79 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 105. South southeast wind around 5 mph becoming southwest in the morning.

    High: 105 °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 104. South southwest wind 5 to 10 mph.

    High: 104 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 103. South southwest wind 5 to 10 mph.

    High: 103 °F

    Hot

Detailed Forecast

Overnight
Partly cloudy, with a low around 79. South southwest wind around 5 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 105. Southwest wind 5 to 10 mph.
Saturday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 79. South southeast wind around 5 mph.
Sunday
Mostly sunny and hot, with a high near 105. South southeast wind around 5 mph becoming southwest in the morning.
Sunday Night
Mostly clear, with a low around 79. South wind 5 to 10 mph.
Monday
Sunny and hot, with a high near 104. South southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 77. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny and hot, with a high near 103. South southwest wind 5 to 10 mph.
Tuesday Night
Clear, with a low around 77. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny and hot, with a high near 103.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Mostly sunny and hot, with a high near 102.
Thursday Night
Mostly clear, with a low around 76.
Friday
Sunny and hot, with a high near 101.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Reagan TX
 31.28°N 96.75°W (Elev. 446 ft)
Last Update:
3:06 am CDT Aug 22, 2026
Forecast Valid:
3am CDT Aug 22, 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