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

84°F

29°C

Humidity 65%
Wind Speed SW 7 mph
Barometer 29.89 in (1012.2 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 22 May 11:53 am CDT
Extended Forecast for

Sour Lake TX

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 85. Southwest wind around 5 mph.

    High: 85 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 2am. Increasing clouds, with a low around 72. South wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms between 8am and 1pm, then showers and possibly a thunderstorm after 1pm. Patchy fog before 8am. High near 83. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 83 °F

    Chance
    T-storms and
    Patchy Fog
    then T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 7pm. Low around 69. South wind around 5 mph becoming calm. Chance of precipitation is 90%.

    Low: 69 °F

    T-storms
    Likely then
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 80. Calm wind becoming south around 5 mph. Chance of precipitation is 90%.

    High: 80 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely

  • Memorial Day

    Memorial Day: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 84. Calm wind becoming southeast around 5 mph. Chance of precipitation is 70%.

    High: 84 °F

    T-storms
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 85 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 85. Southwest wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 2am. Increasing clouds, with a low around 72. South wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers and thunderstorms between 8am and 1pm, then showers and possibly a thunderstorm after 1pm. Patchy fog before 8am. High near 83. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 7pm. Low around 69. South wind around 5 mph becoming calm. Chance of precipitation is 90%.
Sunday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 80. Calm wind becoming south around 5 mph. Chance of precipitation is 90%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 60%.
Memorial Day
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 84. Calm wind becoming southeast around 5 mph. Chance of precipitation is 70%.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. Calm wind.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72.
Wednesday
Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
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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:
7:46 am CDT May 22, 2026
Forecast Valid:
12pm CDT May 22, 2026-6pm CDT May 28, 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