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

Sulphur Springs, Sulphur Springs Municipal Airport (KSLR)

Lat: 33.16°NLon: 95.62°WElev: 489ft.

Fair

81°F

27°C

Humidity 61%
Wind Speed SE 3 mph
Barometer 30.02 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 22 Aug 1:55 am CDT
Extended Forecast for

Cumby TX

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

    NOW until 8:00pm Sat

    Heat Advisory

  • Overnight

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 102. South wind around 5 mph becoming east southeast in the afternoon.

    High: 102 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 77. South southeast wind 5 to 10 mph becoming southwest after midnight.

    Low: 77 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 104. Heat index values as high as 107. East wind 5 to 10 mph becoming south southwest in the afternoon.

    High: 104 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 80. South wind 5 to 10 mph.

    Low: 80 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 105. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 105 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 80. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 80 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 105. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 105 °F

    Hot

Detailed Forecast

Overnight
Mostly clear, with a low around 77. South wind around 5 mph.
Saturday
Mostly sunny and hot, with a high near 102. South wind around 5 mph becoming east southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 77. South southeast wind 5 to 10 mph becoming southwest after midnight.
Sunday
Mostly sunny and hot, with a high near 104. Heat index values as high as 107. East wind 5 to 10 mph becoming south southwest in the afternoon.
Sunday Night
Mostly clear, with a low around 80. South wind 5 to 10 mph.
Monday
Sunny and hot, with a high near 105. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 80. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny and hot, with a high near 105. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 79. South southwest wind 5 to 10 mph.
Wednesday
Sunny and hot, with a high near 103.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
Sunny and hot, with a high near 101.
Thursday Night
Mostly clear, with a low around 76.
Friday
Sunny and hot, with a high near 101.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cumby TX
 33.13°N 95.84°W (Elev. 607 ft)
Last Update:
1:26 am CDT Aug 22, 2026
Forecast Valid:
2am 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