National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Robert R Wells Jr Airport (K66R)

Lat: 29.64°NLon: 96.52°WElev: 242ft.

Fair

101°F

38°C

Humidity 35%
Wind Speed S 6 mph
Barometer 29.94 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index108°F (42°C)
Last update 26 Aug 4:15 pm CDT
Extended Forecast for

Sublime TX

Heat Advisory August 26, 04:39pm until August 27, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 26, 04:39pm until August 27, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • Tonight

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 103. Heat index values as high as 113. West southwest wind around 5 mph becoming calm in the afternoon.

    High: 103 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 76. West wind around 5 mph becoming calm after midnight.

    Low: 76 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 111. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 99 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 99. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. Southeast wind 5 to 10 mph becoming light east southeast after midnight.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 97. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 97 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 103. Heat index values as high as 113. West southwest wind around 5 mph becoming calm in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 76. West wind around 5 mph becoming calm after midnight.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 111. Calm wind becoming east southeast around 5 mph in the afternoon.
Friday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny and hot, with a high near 99. Calm wind becoming east southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 73. Southeast wind 5 to 10 mph becoming light east southeast after midnight.
Sunday
Sunny, with a high near 97. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 73. Southeast wind 5 to 10 mph becoming light south southeast after midnight.
Monday
Mostly sunny, with a high near 98.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 99.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Mostly sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sublime TX
 29.49°N 96.81°W (Elev. 197 ft)
Last Update:
2:46 pm CDT Aug 26, 2026
Forecast Valid:
4pm CDT Aug 26, 2026-6pm CDT Sep 2, 2026
 
Forecast Discussion
 
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Additional Resources

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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