Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Fair

80°F

27°C

Humidity 56%
Wind Speed Vrbl 3 mph
Barometer 30.09 in (1018.3 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 3 Aug 10:53 am CDT
Extended Forecast for

Lavaca AR

  • Today

    Today: Mostly sunny, with a high near 87. East wind around 5 mph becoming calm  in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 67. East wind around 5 mph.

    Low: 67 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88. East wind around 5 mph becoming calm.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 68. Northeast wind around 5 mph becoming calm.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. Calm wind.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 69. East wind around 5 mph becoming calm.

    Low: 69 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. Southeast wind around 5 mph.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72. East wind around 5 mph.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 96. Southeast wind around 5 mph.

    High: 96 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 87. East wind around 5 mph becoming calm in the afternoon.
Tonight
Partly cloudy, with a low around 67. East wind around 5 mph.
Monday
Mostly sunny, with a high near 88. East wind around 5 mph becoming calm.
Monday Night
Mostly clear, with a low around 68. Northeast wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 91. Calm wind.
Tuesday Night
Clear, with a low around 69. East wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 95. Southeast wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 72. East wind around 5 mph.
Thursday
Sunny, with a high near 96. Southeast wind around 5 mph.
Thursday Night
Mostly clear, with a low around 72. Southeast wind around 5 mph.
Friday
Sunny, with a high near 98. South wind around 5 mph.
Friday Night
Mostly clear, with a low around 74. East wind around 5 mph.
Saturday
Sunny, with a high near 96. East wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Lavaca AR
 35.34°N 94.17°W
11:11 am CDT Aug 3, 2025
11am CDT Aug 3, 2025-6pm CDT Aug 9, 2025
 
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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