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

Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Hazardous Weather Conditions

Current conditions at

Texarkana, Texarkana Regional-Webb Field (KTXK)

Lat: 33.46°NLon: 93.99°WElev: 387ft.

Fair

100°F

38°C

Humidity 33%
Wind Speed S 9 mph
Barometer 29.92 in (1012.5 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 18 Aug 6:53 pm CDT
Extended Forecast for

Texarkana AR

Heat Advisory August 18, 07:39pm until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 07:39pm until August 19, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Tonight

    Low: 79 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 103. Heat index values as high as 108. 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 102. Heat index values as high as 108. Southwest wind around 5 mph.

    High: 102 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 77. Calm wind becoming southwest around 5 mph.

    Low: 77 °F

    Partly Cloudy

  • Friday

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

    High: 100 °F

    Hot

  • Friday Night

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

    Low: 75 °F

    Mostly Clear

  • Saturday

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

    High: 100 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 79. Calm wind becoming southwest around 5 mph after midnight.
Wednesday
Sunny and hot, with a high near 103. Heat index values as high as 108. 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 102. Heat index values as high as 108. Southwest wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 77. Calm wind becoming southwest around 5 mph.
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
Mostly clear, with a low around 75.
Sunday
Sunny and hot, with a high near 99.
Sunday Night
Mostly clear, with a low around 77.
Monday
Sunny and hot, with a high near 99.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Texarkana AR
 33.46°N 94.03°W (Elev. 325 ft)
Last Update:
6:30 pm CDT Aug 18, 2026
Forecast Valid:
7pm CDT Aug 18, 2026-6pm CDT Aug 25, 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