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

Hazardous Weather Conditions

Current conditions at

Marshall (KASL)

Lat: 32.52°NLon: 94.31°WElev: 357ft.

Fair

79°F

26°C

Humidity 91%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 76°F (24°C)
Visibility 9.00 mi
Heat Index83°F (28°C)
Last update 25 Aug 1:35 am CDT
Extended Forecast for

4 Miles SE Karnack TX

Heat Advisory August 25, 10:00am until August 25, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Partly cloudy, with a low around 77. South wind around 5 mph.

    Low: 77 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms before 10am. Mostly sunny and hot, with a high near 100. Heat index values as high as 105. Calm wind becoming southwest around 5 mph in the morning.

    High: 100 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. South wind around 5 mph.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 102. Heat index values as high as 109. Southwest wind around 5 mph.

    High: 102 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97.

    High: 97 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.

    Low: 72 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 77. South wind around 5 mph.
Tuesday
A 20 percent chance of showers and thunderstorms before 10am. Mostly sunny and hot, with a high near 100. Heat index values as high as 105. Calm wind becoming southwest around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 77. South wind around 5 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 102. Heat index values as high as 109. Southwest wind around 5 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 75. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Friday
Sunny and hot, with a high near 96.
Friday Night
Mostly clear, with a low around 71.
Saturday
Sunny and hot, with a high near 97.
Saturday Night
Mostly clear, with a low around 72.
Sunday
Sunny and hot, with a high near 98.
Sunday Night
Clear, with a low around 73.
Monday
Sunny and hot, with a high near 98.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Karnack TX
 32.58°N 94.11°W (Elev. 276 ft)
Last Update:
1:25 am CDT Aug 25, 2026
Forecast Valid:
1am CDT Aug 25, 2026-6pm CDT Aug 31, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation