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

Severe Thunderstorms and Heavy Rainfall Today from the Central Plains into the Tennessee Valley

Severe thunderstorms capable of damaging winds will be possible from the Ozark Plateau east into portions of the Southeast today. Rounds of heavy thunderstorms ahead of a slow moving front will continue locally heavy rainfall and scattered flash flooding potential from the Ozarks to the Ohio and Tennessee Valleys today. Read More >

Current conditions at

Beaumont/Port Arthur Southeast Texas Regional Airport (KBPT)

Lat: 29.95°NLon: 94.03°WElev: 13ft.

Fair

79°F

26°C

Humidity 90%
Wind Speed Calm
Barometer 30.07 in (1018.1 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 12 Jul 1:53 am CDT
Extended Forecast for

Sour Lake TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 90. Heat index values as high as 102. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 90 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm.

    Low: 74 °F

    Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 85. Calm wind. Chance of precipitation is 90%.

    High: 85 °F

    Showers
    Likely then
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 1am, then showers likely between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 70%.

    Low: 72 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. High near 84. Calm wind. Chance of precipitation is 90%.

    High: 84 °F

    Showers then
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of thunderstorms before 7pm, then a chance of showers after 1am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 89. Calm wind.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 75. Calm wind.
Sunday
A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 90. Heat index values as high as 102. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm.
Monday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 85. Calm wind. Chance of precipitation is 90%.
Monday Night
Showers and thunderstorms likely before 1am, then showers likely between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 70%.
Tuesday
Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. High near 84. Calm wind. Chance of precipitation is 90%.
Tuesday Night
A chance of thunderstorms before 7pm, then a chance of showers after 1am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 30%.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 89. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 72. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Thursday Night
Partly cloudy, with a low around 73.
Friday
Mostly sunny, with a high near 93.
Friday Night
Partly cloudy, with a low around 74.
Saturday
Mostly sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Sour Lake TX
 30.13°N 94.42°W
Last Update:
2:45 am CDT Jul 12, 2026
Forecast Valid:
2am CDT Jul 12, 2026-6pm CDT Jul 18, 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