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

Lafayette, Lafayette Regional Airport (KLFT)

Lat: 30.2°NLon: 91.99°WElev: 39ft.

Fair

75°F

24°C

Humidity 45%
Wind Speed S 9 G 22 mph
Barometer 30.03 in (1016.7 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 4 May 12:53 pm CDT
Extended Forecast for

Mermentau LA

  • This Afternoon

    This Afternoon: Sunny, with a high near 78. South wind around 10 mph, with gusts as high as 20 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 64. South wind 5 to 10 mph.

    Low: 64 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 81. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 81 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 72. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 85 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. West wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 70%.

    High: 76 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Northeast wind 5 to 10 mph.

    Low: 62 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 76. Northeast wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 78. South wind around 10 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 64. South wind 5 to 10 mph.
Tuesday
Partly sunny, with a high near 81. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 72. South wind around 10 mph, with gusts as high as 20 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. South wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. West wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 70%.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Northeast wind 5 to 10 mph.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 76. Northeast wind 5 to 10 mph. Chance of precipitation is 30%.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Saturday Night
Mostly cloudy, with a low around 67.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mermentau LA
 30.18°N 92.58°W
Last Update:
12:45 pm CDT May 4, 2026
Forecast Valid:
1pm CDT May 4, 2026-6pm CDT May 10, 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