Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Hazardous Weather Conditions

Current conditions at

Texarkana, Texarkana Regional-Webb Field (KTXK)

Lat: 33.46°NLon: 93.99°WElev: 387ft.

Fair

80°F

27°C

Humidity 74%
Wind Speed SW 5 mph
Barometer 29.96 in (1013.7 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 27 Jul 5:53 am CDT
Extended Forecast for

Lewisville AR

Heat Advisory July 27, 06:51am until July 27, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 27, 06:51am until July 27, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Today

    High: 99 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 77. Calm wind.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. Heat index values as high as 106. Calm wind becoming west around 5 mph.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 77. Calm wind.

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 97. Calm wind.

    High: 97 °F

    Hot

  • Wednesday Night

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

    Low: 76 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 96.

    High: 96 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind.
Tonight
Mostly clear, with a low around 77. Calm wind.
Tuesday
Sunny and hot, with a high near 99. Heat index values as high as 106. Calm wind becoming west around 5 mph.
Tuesday Night
Partly cloudy, with a low around 77. Calm wind.
Wednesday
Mostly sunny and hot, with a high near 97. Calm wind.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 96.
Thursday Night
Partly cloudy, with a low around 75.
Friday
Mostly sunny and hot, with a high near 96.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76.
Saturday
A 20 percent chance of showers. Mostly sunny and hot, with a high near 95.
Saturday Night
Partly cloudy, with a low around 72.
Sunday
Mostly sunny, with a high near 93.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Lewisville AR
 33.37°N 93.57°W (Elev. 299 ft)
6:30 am CDT Jul 27, 2026
6am CDT Jul 27, 2026-6pm CDT Aug 2, 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