Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

Texarkana, Texarkana Regional-Webb Field (KTXK)

Lat: 33.46°NLon: 93.99°WElev: 387ft.

Fair

78°F

26°C

Humidity 85%
Wind Speed Calm
Barometer 29.95 in (1013.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 5 Sep 7:53 am CDT
Extended Forecast for

Lewisville AR

Heat Advisory September 5, 11:00am until September 5, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 98. Heat index values as high as 105. Calm wind.

    High: 98 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 100. Heat index values as high as 108. Calm wind.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny and hot, with a high near 100. Calm wind.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Wednesday

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

    High: 96 °F

    Hot

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 105. Calm wind.
Tonight
Mostly clear, with a low around 74. Calm wind.
Sunday
Sunny and hot, with a high near 100. Heat index values as high as 108. Calm wind.
Sunday Night
Mostly clear, with a low around 75. Calm wind.
Labor Day
Sunny and hot, with a high near 100. Calm wind.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny and hot, with a high near 99.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny and hot, with a high near 96.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
Partly cloudy, with a low around 73.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 96.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Lewisville AR
 33.35°N 93.59°W (Elev. 262 ft)
6:31 am CDT Sep 5, 2026
8am CDT Sep 5, 2026-6pm CDT Sep 11, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database