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

Texarkana, Texarkana Regional-Webb Field (KTXK)

Lat: 33.46°NLon: 93.99°WElev: 387ft.

Fair

88°F

31°C

Humidity 46%
Wind Speed S 9 mph
Barometer 30.00 in (1015.2 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 18 Aug 12:53 am CDT
Extended Forecast for

Texarkana TX

Heat Advisory August 18, 01:42am until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 01:42am until August 19, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Overnight

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 104. Heat index values as high as 109. Southwest wind around 5 mph.

    High: 104 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 79. Calm wind becoming south around 5 mph after midnight.

    Low: 79 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 103. Heat index values as high as 114. Southwest wind around 5 mph.

    High: 103 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 79. South wind around 5 mph.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Thursday Night

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

    Low: 76 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

Detailed Forecast

Overnight
Mostly clear, with a low around 77. Calm wind.
Tuesday
Sunny and hot, with a high near 104. Heat index values as high as 109. Southwest wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 79. Calm wind becoming south around 5 mph after midnight.
Wednesday
Sunny and hot, with a high near 103. Heat index values as high as 114. Southwest wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 79. South wind around 5 mph.
Thursday
Mostly sunny and hot, with a high near 101.
Thursday Night
Partly cloudy, with a low around 76.
Friday
Sunny and hot, with a high near 100.
Friday Night
Mostly clear, with a low around 75.
Saturday
Sunny and hot, with a high near 100.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 75.
Sunday
Sunny and hot, with a high near 101.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny and hot, with a high near 101.
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ABOUT THIS FORECAST

 
Point Forecast:
Texarkana TX
 33.44°N 94.08°W (Elev. 299 ft)
1:37 am CDT Aug 18, 2026
1am CDT Aug 18, 2026-6pm CDT Aug 24, 2026
 
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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