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

Areas of Fire Weather and Severe Thunderstorms on Friday

Critical fire weather is expected Friday across the Northern Plains, Upper Midwest, and southern High Plains due to gusty winds and low humidity. Severe thunderstorms capable of large to very large hail, wind damage and tornadoes will be possible Friday and Saturday across parts of the central Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Fair

64°F

18°C

Humidity 75%
Wind Speed NE 6 mph
Barometer 29.86 in (1010.8 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 15 May 2:53 am CDT
Extended Forecast for

Lavaca AR

  • Overnight

    Overnight: Mostly cloudy, with a low around 63. East wind around 5 mph.

    Low: 63 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers between 10am and 4pm. Partly sunny, with a high near 90. East wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly after 4am. Cloudy, with a low around 71. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers before 7am. Cloudy through mid morning, then gradual clearing, with a high near 88. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 88 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 90. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 90 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 72 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 88 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 63. East wind around 5 mph.
Friday
A slight chance of showers between 10am and 4pm. Partly sunny, with a high near 90. East wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Friday Night
A 30 percent chance of showers, mainly after 4am. Cloudy, with a low around 71. South wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
A 30 percent chance of showers before 7am. Cloudy through mid morning, then gradual clearing, with a high near 88. South wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 69. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 90. South wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88. South wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 86. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Southwest wind 5 to 10 mph becoming northeast after midnight. Chance of precipitation is 70%.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. East wind around 5 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Northeast wind around 5 mph.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. East wind 5 to 10 mph.
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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:
2:50 am CDT May 15, 2026
Forecast Valid:
3am CDT May 15, 2026-6pm CDT May 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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