Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

Lufkin, Angelina County Airport (KLFK)

Lat: 31.23°NLon: 94.75°WElev: 295ft.

Fair

80°F

27°C

Humidity 90%
Wind Speed W 6 mph
Barometer 30.06 in (1017.3 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 21 Aug 7:53 am CDT
Extended Forecast for

Diboll TX

Extreme Heat Warning August 21, 10:00am until August 21, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Today

    Today: A 30 percent chance of showers and thunderstorms after 4pm.  Mostly sunny and hot, with a high near 103. Heat index values as high as 111. West wind around 5 mph becoming calm  in the afternoon.

    High: 103 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 10pm.  Partly cloudy, with a low around 76. South wind around 5 mph becoming calm.

    Low: 76 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 102. Heat index values as high as 113. West wind around 5 mph becoming calm.

    High: 102 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 102. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 102 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 103. Heat index values as high as 111. West wind around 5 mph becoming calm in the afternoon.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 76. South wind around 5 mph becoming calm.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 102. Heat index values as high as 113. West wind around 5 mph becoming calm.
Saturday Night
Partly cloudy, with a low around 76. Calm wind.
Sunday
Mostly sunny and hot, with a high near 102. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 77.
Monday
Sunny and hot, with a high near 100.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny and hot, with a high near 100.
Tuesday Night
Clear, with a low around 75.
Wednesday
Sunny and hot, with a high near 100.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 98.
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ABOUT THIS FORECAST

 
Point Forecast:
Diboll TX
 31.18°N 94.79°W (Elev. 203 ft)
6:31 am CDT Aug 21, 2026
8am CDT Aug 21, 2026-6pm CDT Aug 27, 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