Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Marshall (KASL)

Lat: 32.52°NLon: 94.31°WElev: 357ft.

Fair

76°F

24°C

Humidity 83%
Wind Speed S 5 mph
Barometer 30.03 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 18 Aug 5:15 am CDT
Extended Forecast for

Marshall TXSimilar City Names

Heat Advisory August 18, 05:30am until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 05:30am until August 19, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Today

    High: 104 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 79. Southwest wind around 5 mph.

    Low: 79 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 103. Heat index values as high as 110. Southwest wind around 5 mph.

    High: 103 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 79. South wind around 5 mph.

    Low: 79 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 104. Southwest wind around 5 mph.

    High: 104 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 103.

    High: 103 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 104. Heat index values as high as 109. Southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 79. Southwest wind around 5 mph.
Wednesday
Sunny and hot, with a high near 103. Heat index values as high as 110. Southwest wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 79. South wind around 5 mph.
Thursday
Sunny and hot, with a high near 104. Southwest wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 77.
Friday
Mostly sunny and hot, with a high near 103.
Friday Night
Mostly clear, with a low around 75.
Saturday
Sunny and hot, with a high near 103.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly clear, with a low around 76. Chance of precipitation is 30%.
Sunday
Sunny and hot, with a high near 104.
Sunday Night
Mostly clear, with a low around 77.
Monday
Sunny and hot, with a high near 103.
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ABOUT THIS FORECAST

 
Point Forecast:
Marshall TXSimilar City Names
 32.54°N 94.36°W (Elev. 348 ft)
1:40 am CDT Aug 18, 2026
5am CDT Aug 18, 2026-6pm CDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database