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

Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Lufkin, Angelina County Airport (KLFK)

Lat: 31.23°NLon: 94.75°WElev: 295ft.

Fair

81°F

27°C

Humidity 82%
Wind Speed S 7 mph
Barometer 30.02 in (1015.9 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 11 Aug 11:53 pm CDT
Extended Forecast for

Diboll TX

Heat Advisory August 12, 01:55am until August 14, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 12, 01:55am until August 14, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Overnight

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97. Heat index values as high as 107. Light south wind increasing to 5 to 10 mph in the morning.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. South wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 97. Heat index values as high as 107. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

Detailed Forecast

Overnight
Mostly clear, with a low around 74. South wind around 5 mph.
Wednesday
Sunny and hot, with a high near 97. Heat index values as high as 107. Light south wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Mostly clear, with a low around 75. South wind 5 to 10 mph.
Thursday
Sunny and hot, with a high near 97. Heat index values as high as 107. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 74. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Sunny and hot, with a high near 97.
Friday Night
Mostly clear, with a low around 74.
Saturday
Sunny and hot, with a high near 98.
Saturday Night
Clear, with a low around 73.
Sunday
Sunny and hot, with a high near 100.
Sunday Night
Mostly clear, with a low around 74.
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.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Diboll TX
 31.18°N 94.79°W (Elev. 203 ft)
Last Update:
1:45 am CDT Aug 12, 2026
Forecast Valid:
1am CDT Aug 12, 2026-6pm CDT Aug 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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