Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. Read More >

Hazardous Weather Conditions

Current conditions at

Longview - East Texas Regional Airport (KGGG)

Lat: 32.39° N Lon: 94.71° W Elev: 364 ft.

Fair

83°F

28°C

Humidity 67%
Wind Speed S 6 mph
Barometer 29.86 in (1010.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 27 Jul 9:53 pm CDT
Detailed forecast for

Gregg County

Today
Mostly sunny. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph.
Tonight
Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph.
Tuesday
Mostly sunny. Hot with highs around 100. Southwest winds 5 to 10 mph.
Tuesday Night
Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph.
Wednesday
Partly cloudy. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph.
Wednesday Night
Partly cloudy. Lows in the upper 70s.
Thursday
Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. Chance of rain 20 percent. Heat index values up to 105 in the afternoon.
Thursday Night
Partly cloudy. Lows in the upper 70s.
Friday
Partly cloudy. Hot with highs in the upper 90s. Heat index values up to 105 in the afternoon.
Friday Night
Partly cloudy. Lows in the upper 70s.
Saturday
Partly cloudy. Hot with highs in the upper 90s. Heat index values up to 105 in the afternoon.
Saturday Night
Mostly clear. Lows in the mid 70s.
Sunday
Partly cloudy. Hot with highs in the mid 90s.



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627 AM CDT Mon Jul 27 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database