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

Hazardous Weather Conditions

Current conditions at

La Porte Municipal Airport (KT41)

Lat: 29.67°NLon: 95.06°WElev: 25ft.

Fair

81°F

27°C

Humidity 79%
Wind Speed W 5 mph
Barometer 29.89 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 1 Sep 8:15 pm CDT
Extended Forecast for

San Leon TX

Flood Watch September 1, 08:40pm until September 2, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch September 1, 08:40pm until September 2, 07:00pm

    NOW until 7:00pm Wed

    Flood Watch

  • Tonight

    Low: 81 °F

    Chance
    T-storms and
    Breezy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly before 4pm. Mostly cloudy, with a high near 91. Heat index values as high as 103. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 91 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 82. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 82 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 91. Heat index values as high as 102. Southeast wind 5 to 10 mph.

    High: 91 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 81. Southeast wind 5 to 10 mph. Chance of precipitation is 10%.

    Low: 81 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.

    High: 91 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 81.

    Low: 81 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Sunny, with a high near 91.

    High: 91 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 81. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly before 4pm. Mostly cloudy, with a high near 91. Heat index values as high as 103. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 82. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 91. Heat index values as high as 102. Southeast wind 5 to 10 mph.
Thursday Night
A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 81. Southeast wind 5 to 10 mph. Chance of precipitation is 10%.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 81.
Saturday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 91.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 80.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 81.
Labor Day
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 81.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Leon TX
 29.48°N 94.95°W (Elev. 3 ft)
Last Update:
7:20 pm CDT Sep 1, 2026
Forecast Valid:
8pm CDT Sep 1, 2026-6pm CDT Sep 8, 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