Heat Builds in the West; Severe Thunderstorms and Heavy Rain in the Upper Midwest and Mid-Mississippi Valley; Extremely Critical Fire Weather in the Northwest on Saturday

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rainfall are expected over parts of the Upper Midwest to mid-Mississippi Valley today. Critical to extremely critical fire weather conditions from the Northwest and the northern Great Basin on Saturday and Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Lufkin, Angelina County Airport (KLFK)

Lat: 31.23°NLon: 94.75°WElev: 295ft.

Fair

76°F

24°C

Humidity 97%
Wind Speed Calm
Barometer 30.01 in (1015.8 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index75°F (24°C)
Last update 31 Jul 6:53 am CDT
Extended Forecast for

5 Miles NE Zavalla TX

Heat Advisory July 31, 07:09am until July 31, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 31, 07:09am until July 31, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 97 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 79. South wind 5 to 10 mph.

    Low: 79 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm.  Mostly sunny, with a high near 94. Heat index values as high as 107. West wind 5 to 10 mph.

    High: 94 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 76 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 93. Northwest wind around 5 mph.

    High: 93 °F

    Sunny

  • Sunday Night

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

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 77.

    Low: 77 °F

    Clear

Detailed Forecast

Today
Mostly sunny and hot, with a high near 97. Heat index values as high as 109. Southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 79. South wind 5 to 10 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly sunny, with a high near 94. Heat index values as high as 107. West wind 5 to 10 mph.
Saturday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 93. Northwest wind around 5 mph.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny and hot, with a high near 95.
Monday Night
Clear, with a low around 77.
Tuesday
Sunny and hot, with a high near 95.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Sunny and hot, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Zavalla TX
 31.2°N 94.36°W (Elev. 161 ft)
6:30 am CDT Jul 31, 2026
7am CDT Jul 31, 2026-6pm CDT Aug 6, 2026
 
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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