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

Hazardous Weather Conditions

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Fair

49°F

9°C

Humidity 69%
Wind Speed NE 3 mph
Barometer 29.98 in (1015.0 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 28 Feb 3:53 am CST
Extended Forecast for

Lavaca AR

  • Today

    Today: Mostly sunny, with a high near 80. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 52. Calm wind becoming east around 5 mph after midnight.

    Low: 52 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Mostly cloudy, with a high near 67. East wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 67 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 47. East wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 47 °F

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers before noon. Partly sunny, with a high near 67. East wind around 10 mph, with gusts as high as 20 mph.

    High: 67 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 52. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon. Mostly cloudy, with a high near 79. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 79 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 60. Southeast wind 5 to 10 mph. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 74 °F

    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 80. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Tonight
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 52. Calm wind becoming east around 5 mph after midnight.
Sunday
A chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Mostly cloudy, with a high near 67. East wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 47. East wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
A 30 percent chance of showers before noon. Partly sunny, with a high near 67. East wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 52. Southeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of showers after noon. Mostly cloudy, with a high near 79. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 60. Southeast wind 5 to 10 mph. Chance of precipitation is 50%.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Showers likely, mainly after midnight. Partly cloudy, with a low around 56. South wind around 5 mph. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 76. South wind 5 to 10 mph. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Southeast wind around 5 mph.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lavaca AR
 35.34°N 94.17°W
Last Update:
1:51 am CST Feb 28, 2026
Forecast Valid:
4am CST Feb 28, 2026-6pm CST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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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