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

Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Beaumont/Port Arthur Southeast Texas Regional Airport (KBPT)

Lat: 29.95°NLon: 94.03°WElev: 13ft.

Fair

93°F

34°C

Humidity 56%
Wind Speed W 9 mph
Barometer 30.02 in (1016.4 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 24 Aug 11:53 am CDT
Extended Forecast for

Port Arthur TX

Heat Advisory until August 24, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 24, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 81. South wind around 10 mph.

    Low: 81 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 94. Heat index values as high as 107. West wind around 5 mph becoming south in the afternoon.

    High: 94 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 80. South wind 5 to 10 mph.

    Low: 80 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. Southwest wind around 5 mph.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 80. Southwest wind 5 to 10 mph.

    Low: 80 °F

    Mostly Clear

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Southwest wind around 5 mph.

    High: 93 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 79. Southwest wind 5 to 10 mph.

    Low: 79 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 94. Heat index values as high as 106. South wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 81. South wind around 10 mph.
Tuesday
Mostly sunny, with a high near 94. Heat index values as high as 107. West wind around 5 mph becoming south in the afternoon.
Tuesday Night
Mostly clear, with a low around 80. South wind 5 to 10 mph.
Wednesday
Sunny, with a high near 95. Southwest wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 80. Southwest wind 5 to 10 mph.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Southwest wind around 5 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 79. Southwest wind 5 to 10 mph.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. West wind around 5 mph becoming south in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 79.
Saturday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 79.
Sunday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Arthur TX
 29.88°N 93.92°W
Last Update:
12:20 pm CDT Aug 24, 2026
Forecast Valid:
12pm CDT Aug 24, 2026-6pm CDT Aug 30, 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