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

Gilmer, Fox Stephens Field - Gilmer Municipal Airport (KJXI)

Lat: 32.7°NLon: 94.95°WElev: 417ft.

Fair

101°F

38°C

Humidity 25%
Wind Speed N 7 mph
Barometer 30.02 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 22 Aug 1:35 pm CDT
Extended Forecast for

Big Sandy TX

Heat Advisory August 22, 01:44pm until August 23, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 22, 01:44pm until August 23, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 104 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 78. Calm wind.

    Low: 78 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 105. Heat index values as high as 109. Calm wind becoming south around 5 mph in the afternoon.

    High: 105 °F

    Hot

  • Sunday Night

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

    Low: 81 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny and hot, with a high near 105. Southwest wind 5 to 10 mph.

    High: 105 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 79.

    Low: 79 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 105.

    High: 105 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 79.

    Low: 79 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 104. Heat index values as high as 107. Calm wind.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 78. Calm wind.
Sunday
Mostly sunny and hot, with a high near 105. Heat index values as high as 109. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 81. South wind around 5 mph.
Monday
Mostly sunny and hot, with a high near 105. Southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 79.
Tuesday
Sunny and hot, with a high near 105.
Tuesday Night
Mostly clear, with a low around 79.
Wednesday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny and hot, with a high near 103. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny and hot, with a high near 100.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 75.
Friday
Sunny and hot, with a high near 100.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Big Sandy TX
 32.59°N 95.11°W (Elev. 384 ft)
Last Update:
1:37 pm CDT Aug 22, 2026
Forecast Valid:
1pm 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