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

72°F

22°C

Humidity 79%
Wind Speed S 7 mph
Barometer 29.84 in (1010.3 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 9 Mar 7:53 pm CDT
Extended Forecast for

Lavaca AR

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. Southeast wind around 5 mph.

    Low: 64 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Mostly cloudy, with a high near 80. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 63. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 4pm, then showers likely. High near 71. South wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.

    High: 71 °F

    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39. North wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 65. North wind around 5 mph becoming south in the afternoon.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. Calm wind becoming south around 5 mph.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 49. South wind around 5 mph becoming calm.

    Low: 49 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 64. Southeast wind around 5 mph.
Tuesday
A slight chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Mostly cloudy, with a high near 80. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm. Low around 63. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm before 4pm, then showers likely. High near 71. South wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Wednesday Night
Partly cloudy, with a low around 39. North wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 65. North wind around 5 mph becoming south in the afternoon.
Thursday Night
Mostly clear, with a low around 43. Calm wind becoming south around 5 mph.
Friday
Sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Clear, with a low around 49. South wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 81. East wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 56. South wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 77. South wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 42. North wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly cloudy, with a high near 58. Northeast wind around 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lavaca AR
 35.36°N 94.17°W
Last Update:
6:50 pm CDT Mar 9, 2026
Forecast Valid:
8pm CDT Mar 9, 2026-6pm CDT Mar 16, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation