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

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Fair

47°F

8°C

Humidity 61%
Wind Speed E 7 mph
Barometer 30.19 in (1022.4 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 7 Feb 8:53 pm CST
Extended Forecast for

Lavaca AR

  • Tonight

    Tonight: Mostly clear, with a low around 38. East wind around 5 mph.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Isolated sprinkles after noon. Increasing clouds, with a high near 67. East wind around 5 mph becoming calm in the morning.

    High: 67 °F

    Isolated
    Sprinkles

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 76. Calm wind becoming south around 5 mph.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 54. Southeast wind around 5 mph.

    Low: 54 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers after noon. Mostly cloudy, with a high near 74. Southeast wind 5 to 10 mph.

    High: 74 °F

    Cloudy then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. South wind around 5 mph. Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 72. West wind around 5 mph.

    High: 72 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 50. East wind around 5 mph.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 38. East wind around 5 mph.
Sunday
Isolated sprinkles after noon. Increasing clouds, with a high near 67. East wind around 5 mph becoming calm in the morning.
Sunday Night
Partly cloudy, with a low around 38. Calm wind.
Monday
Sunny, with a high near 76. Calm wind becoming south around 5 mph.
Monday Night
Mostly cloudy, with a low around 54. Southeast wind around 5 mph.
Tuesday
A 30 percent chance of showers after noon. Mostly cloudy, with a high near 74. Southeast wind 5 to 10 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. South wind around 5 mph. Chance of precipitation is 50%.
Wednesday
Partly sunny, with a high near 72. West wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 50. East wind around 5 mph.
Thursday
Partly sunny, with a high near 73. East wind 5 to 10 mph becoming west in the afternoon.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 44. Northeast wind around 5 mph.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 59. East wind 5 to 10 mph.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 40. East wind around 10 mph.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 54. Northeast wind around 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lavaca AR
 35.34°N 94.17°W
Last Update:
9:11 pm CST Feb 7, 2026
Forecast Valid:
9pm CST Feb 7, 2026-6pm CST Feb 14, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation