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

Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Hazardous Weather Conditions

Current conditions at

Lufkin, Angelina County Airport (KLFK)

Lat: 31.23°NLon: 94.75°WElev: 295ft.

Fair

98°F

37°C

Humidity 39%
Wind Speed SE 7 mph
Barometer 30.01 in (1015.6 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 18 Aug 2:53 pm CDT
Extended Forecast for

Lufkin, Angelina County Airport TX

Heat Advisory August 18, 03:53pm until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 03:53pm until August 19, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 100 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 77. South wind 5 to 10 mph.

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 99. Heat index values as high as 105. Southwest wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. South wind 5 to 10 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 100. Southwest wind around 5 mph.

    High: 100 °F

    Hot

  • Thursday Night

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

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75.

    Low: 75 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 100. Heat index values as high as 104. South wind around 5 mph.
Tonight
Partly cloudy, with a low around 77. South wind 5 to 10 mph.
Wednesday
Mostly sunny and hot, with a high near 99. Heat index values as high as 105. Southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 76. South wind 5 to 10 mph.
Thursday
Sunny and hot, with a high near 100. Southwest wind around 5 mph.
Thursday Night
Mostly clear, with a low around 77.
Friday
Sunny and hot, with a high near 101.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75.
Saturday
Sunny and hot, with a high near 102.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny and hot, with a high near 102.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny and hot, with a high near 101.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lufkin, Angelina County Airport TX
 31.23°N 94.76°W (Elev. 249 ft)
Last Update:
1:25 pm CDT Aug 18, 2026
Forecast Valid:
3pm CDT Aug 18, 2026-6pm CDT Aug 24, 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