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

99°F

37°C

Humidity 42%
Wind Speed S 7 mph
Barometer 30.02 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index109°F (43°C)
Last update 20 Aug 1:15 pm CDT
Extended Forecast for

San Felipe TX

Heat Advisory until August 21, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 21, 07:00pm

    NOW until 7:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 100 °F

    Hot

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 77. South wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 102. Heat index values as high as 108. Southwest wind around 5 mph.

    High: 102 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 77. South wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 103. Southwest wind around 5 mph.

    High: 103 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 100. Heat index values as high as 109. South wind 5 to 10 mph.
Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 77. South wind 5 to 10 mph.
Friday
Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 102. Heat index values as high as 108. Southwest wind around 5 mph.
Friday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 77. South wind 5 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 103. Southwest wind around 5 mph.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny and hot, with a high near 102.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny and hot, with a high near 101.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Mostly sunny and hot, with a high near 100.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny and hot, with a high near 100.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Felipe TX
 29.81°N 96.1°W (Elev. 98 ft)
Last Update:
1:21 pm CDT Aug 20, 2026
Forecast Valid:
1pm CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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