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

Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

Longview - East Texas Regional Airport (KGGG)

Lat: 32.39°NLon: 94.71°WElev: 364ft.

Mostly Cloudy

82°F

28°C

Humidity 82%
Wind Speed SW 8 mph
Barometer 30.09 in (1018.2 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 15 Sep 8:53 am CDT
Extended Forecast for

Lakeport TX

Heat Advisory September 15, 09:35am until September 15, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 15, 09:35am until September 15, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • Today

    High: 100 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 75. South wind around 5 mph.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Increasing clouds and hot, with a high near 99. Heat index values as high as 104. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Chance of precipitation is 20%.

    High: 99 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 75. Southeast wind around 5 mph.

    Low: 75 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 99. Light southeast wind becoming east 5 to 10 mph in the morning.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 100. Heat index values as high as 106. South wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 75. South wind around 5 mph.
Wednesday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Increasing clouds and hot, with a high near 99. Heat index values as high as 104. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 75. Southeast wind around 5 mph.
Thursday
Sunny and hot, with a high near 99. Light southeast wind becoming east 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 72.
Friday
Sunny and hot, with a high near 99.
Friday Night
Mostly clear, with a low around 70.
Saturday
Sunny and hot, with a high near 99.
Saturday Night
Mostly clear, with a low around 72.
Sunday
Mostly sunny and hot, with a high near 98.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 72.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lakeport TX
 32.38°N 94.71°W (Elev. 348 ft)
Last Update:
6:30 am CDT Sep 15, 2026
Forecast Valid:
9am CDT Sep 15, 2026-6pm CDT Sep 21, 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