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 >

Current conditions at

Sulphur Springs, Sulphur Springs Municipal Airport (KSLR)

Lat: 33.16°NLon: 95.62°WElev: 489ft.

Fair

98°F

37°C

Humidity 29%
Wind Speed N 7 mph
Barometer 30.06 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 21 Aug 1:55 pm CDT
Extended Forecast for

Cumby TX

Heat Advisory August 21, 08:00pm until August 22, 08:00pm
Extreme Heat Warning August 21, 02:17pm until August 21, 08:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Extreme Heat Warning August 21, 02:17pm until August 21, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • This Afternoon

    High: 103 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers between 10pm and 4am.  Partly cloudy, with a low around 77. South wind around 5 mph.  Chance of precipitation is 20%.

    Low: 77 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms after 4pm.  Mostly sunny and hot, with a high near 103. West wind around 5 mph becoming east in the morning.

    High: 103 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 10pm.  Partly cloudy, with a low around 77. South southeast wind around 5 mph.

    Low: 77 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

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

    High: 103 °F

    Hot

  • Sunday Night

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

    Low: 80 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 104. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 104 °F

    Hot

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 80. South wind around 15 mph, with gusts as high as 20 mph.

    Low: 80 °F

    Clear then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 103. Heat index values as high as 106. South wind around 5 mph.
Tonight
A slight chance of showers between 10pm and 4am. Partly cloudy, with a low around 77. South wind around 5 mph. Chance of precipitation is 20%.
Saturday
A 10 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 103. West wind around 5 mph becoming east in the morning.
Saturday Night
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 77. South southeast wind around 5 mph.
Sunday
Sunny and hot, with a high near 103. South wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 80. South southeast wind 5 to 10 mph.
Monday
Sunny and hot, with a high near 104. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 80. South wind around 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny and hot, with a high near 105. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 79.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 102.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Thursday
Sunny and hot, with a high near 101.
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ABOUT THIS FORECAST

 
Point Forecast:
Cumby TX
 33.13°N 95.84°W (Elev. 607 ft)
1:26 pm CDT Aug 21, 2026
2pm CDT Aug 21, 2026-6pm CDT Aug 27, 2026
 
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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