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

Beaumont/Port Arthur Southeast Texas Regional Airport (KBPT)

Lat: 29.95°NLon: 94.03°WElev: 13ft.

Fair

87°F

31°C

Humidity 67%
Wind Speed Calm
Barometer 30.06 in (1017.9 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 1 Aug 7:53 pm CDT
Extended Forecast for

Sour Lake TX

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 11pm. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 99. Calm wind becoming northwest around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 93 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Calm wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 92. Heat index values as high as 99. Calm wind. Chance of precipitation is 50%.

    High: 92 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 72. Calm wind. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Sunny, with a high near 93. Calm wind becoming northeast around 5 mph. Chance of precipitation is 40%.

    High: 93 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly clear, with a low around 73. Calm wind. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 93. Calm wind becoming east around 5 mph.

    High: 93 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 11pm. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 30%.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 99. Calm wind becoming northwest around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Calm wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 92. Heat index values as high as 99. Calm wind. Chance of precipitation is 50%.
Sunday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 72. Calm wind. Chance of precipitation is 20%.
Monday
A chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Sunny, with a high near 93. Calm wind becoming northeast around 5 mph. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly clear, with a low around 73. Calm wind. Chance of precipitation is 30%.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 93. Calm wind becoming east around 5 mph.
Tuesday Night
Mostly clear, with a low around 74. Calm wind.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 74.
Friday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sour Lake TX
 30.13°N 94.4°W
Last Update:
6:46 pm CDT Aug 1, 2025
Forecast Valid:
7pm CDT Aug 1, 2025-6pm CDT Aug 8, 2025
 
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