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

79°F

26°C

Humidity 94%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 15 Sep 5:55 am CDT
Extended Forecast for

Kemah TX

Heat Advisory September 15, 06:10am until September 15, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 15, 06:10am until September 15, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • Today

    High: 92 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 79. Southeast wind 5 to 10 mph becoming light in the evening.

    Low: 79 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Heat index values as high as 108. Light east wind increasing to 5 to 10 mph in the morning.

    High: 91 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 80. East wind 5 to 10 mph.

    Low: 80 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. East wind 10 to 15 mph.

    High: 89 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 79.

    Low: 79 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Friday Night

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

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 11am. Sunny, with a high near 92. Heat index values as high as 109. Light south wind becoming southeast 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 79. Southeast wind 5 to 10 mph becoming light in the evening.
Wednesday
A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Heat index values as high as 108. Light east wind increasing to 5 to 10 mph in the morning.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 80. East wind 5 to 10 mph.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. East wind 10 to 15 mph.
Thursday Night
Mostly clear, with a low around 79.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 77.
Saturday
Sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 77.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Kemah TX
 29.52°N 95.03°W (Elev. 20 ft)
Last Update:
1:21 am CDT Sep 15, 2026
Forecast Valid:
6am CDT Sep 15, 2026-6pm CDT Sep 21, 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