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

La Porte Municipal Airport (KT41)

Lat: 29.67°NLon: 95.06°WElev: 25ft.

Mostly Cloudy

91°F

33°C

Humidity 59%
Wind Speed S 15 G 20 mph
Barometer 30.04 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 13 Jul 1:55 pm CDT
Extended Forecast for

Mont Belvieu TX

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly before 4pm. Mostly sunny, with a high near 90. Heat index values as high as 103. South wind around 10 mph.

    High: 90 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 77. South wind 5 to 10 mph.

    Low: 77 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly between 11am and 5pm. Mostly sunny, with a high near 91. Heat index values as high as 102. Light south wind increasing to 5 to 10 mph in the morning.

    High: 91 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. South wind around 5 mph becoming calm after midnight.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 90. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 40%.

    High: 90 °F

    Chance
    T-storms

  • Tuesday Night

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

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Wednesday Night

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

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly before 4pm. Mostly sunny, with a high near 90. Heat index values as high as 103. South wind around 10 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 77. South wind 5 to 10 mph.
Monday
A 40 percent chance of showers and thunderstorms, mainly between 11am and 5pm. Mostly sunny, with a high near 91. Heat index values as high as 102. Light south wind increasing to 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 77. South wind around 5 mph becoming calm after midnight.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 90. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 40%.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Mostly sunny, with a high near 92.
Thursday Night
Mostly cloudy, with a low around 76.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.
Saturday
A 40 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:
Mont Belvieu TX
 29.86°N 94.9°W (Elev. 62 ft)
Last Update:
1:20 pm CDT Jul 13, 2025
Forecast Valid:
2pm CDT Jul 13, 2025-6pm CDT Jul 19, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation