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

37°F

3°C

Humidity 93%
Wind Speed Calm
Barometer 30.02 in (1016.6 mb)
Dewpoint 35°F (2°C)
Visibility 8.00 mi
Last update 6 Dec 1:53 am CST
Extended Forecast for

Lavaca AR

  • Overnight

    Overnight: Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 54. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 54 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39. Southeast wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 51. Northwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 51 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. Northwest wind 5 to 10 mph.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 48. Calm wind.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 58. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39. South wind around 5 mph becoming west after midnight.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 33. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 54. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 39. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 51. Northwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 28. Northwest wind 5 to 10 mph.
Monday
Sunny, with a high near 48. Calm wind.
Monday Night
Mostly clear, with a low around 29. Calm wind.
Tuesday
Sunny, with a high near 58. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 39. South wind around 5 mph becoming west after midnight.
Wednesday
Mostly sunny, with a high near 60. Northwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 38. Northwest wind around 5 mph becoming east after midnight.
Thursday
Mostly sunny, with a high near 59. East wind around 5 mph becoming southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 36. Southeast wind around 5 mph becoming north after midnight.
Friday
Mostly sunny, with a high near 50. North wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Lavaca AR
 35.34°N 94.17°W
Last Update:
12:50 am CST Dec 6, 2025
Forecast Valid:
2am CST Dec 6, 2025-6pm CST Dec 12, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation