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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

Longview - East Texas Regional Airport (KGGG)

Lat: 32.39°NLon: 94.71°WElev: 364ft.

Overcast

75°F

24°C

Humidity 94%
Wind Speed SE 8 mph
Barometer 29.77 in (1007.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 17 Jun 6:53 am CDT
Extended Forecast for

Tatum TX

  • Today

    Today: Mostly sunny, with a high near 89. South wind 5 to 15 mph.

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 74. Southeast wind 5 to 10 mph becoming light after midnight.

    Low: 74 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 94. Heat index values as high as 107. South wind around 5 mph.

    High: 94 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm after midnight.

    Low: 77 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 91. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 91 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.

    Low: 75 °F

    T-storms
    Likely then
    Showers
    Likely

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 90.

    High: 90 °F

    Chance
    T-storms

  • Saturday Night

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

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 89. South wind 5 to 15 mph.
Tonight
Increasing clouds, with a low around 74. Southeast wind 5 to 10 mph becoming light after midnight.
Thursday
Partly sunny, with a high near 94. Heat index values as high as 107. South wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm after midnight.
Juneteenth
A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 91. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 40%.
Friday Night
Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 90.
Saturday Night
Partly cloudy, with a low around 76.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 77.
Monday
Mostly sunny, with a high near 94.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 77.
Tuesday
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:
Tatum TX
 32.31°N 94.52°W (Elev. 318 ft)
Last Update:
6:30 am CDT Jun 17, 2026
Forecast Valid:
7am CDT Jun 17, 2026-6pm CDT Jun 23, 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