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

Heavy Rain Continues in South-central Texas; Heat Wave in California

A slow moving front will maintain the threat of flash/urban flooding across southern and central Texas today and the Central Gulf Coast and Southeast through the weekend. Abnormally, potentially record-breaking temperatures will impact southern California and stretch north toward the Bay Area and Central Valley through next week. Read More >

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 97%
Wind Speed NE 5 mph
Barometer 29.92 in (1012.5 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 1 Oct 8:53 pm CDT
Extended Forecast for

Lavaca AR

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 69. Calm wind becoming north around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 69 °F

    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 78. Light and variable wind becoming northeast 5 to 10 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Showers

  • Friday Night

    Friday Night: A chance of showers before 10pm, then a chance of showers after 1am. Mostly cloudy, with a low around 64. East wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 76. East wind around 5 mph.

    High: 76 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 82. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. North wind around 5 mph.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. East wind around 5 mph.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 54. Calm wind becoming east around 5 mph after midnight.

    Low: 54 °F

    Clear

Detailed Forecast

Tonight
Showers and possibly a thunderstorm. Low around 69. Calm wind becoming north around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 78. Light and variable wind becoming northeast 5 to 10 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A chance of showers before 10pm, then a chance of showers after 1am. Mostly cloudy, with a low around 64. East wind 5 to 10 mph. Chance of precipitation is 30%.
Saturday
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 76. East wind around 5 mph.
Saturday Night
Mostly cloudy, with a low around 63. Calm wind.
Sunday
Mostly sunny, with a high near 82. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 57. North wind around 5 mph.
Monday
Sunny, with a high near 81. East wind around 5 mph.
Monday Night
Clear, with a low around 54. Calm wind becoming east around 5 mph after midnight.
Tuesday
Sunny, with a high near 79. East wind around 5 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 52. Calm wind.
Wednesday
Sunny, with a high near 81. Calm wind.
Wednesday Night
Mostly clear, with a low around 56. Calm wind.
Thursday
Sunny, with a high near 85. Calm wind.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lavaca AR
 35.34°N 94.17°W
Last Update:
6:50 pm CDT Oct 1, 2026
Forecast Valid:
9pm CDT Oct 1, 2026-6pm CDT Oct 8, 2026
 
Forecast Discussion
 
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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