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

57°F

14°C

Humidity 90%
Wind Speed N 6 mph
Barometer 30.14 in (1020.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 26 Nov 2:53 am CST
Extended Forecast for

Mermentau LA

  • Overnight

    Overnight: Partly cloudy, with a low around 54. North wind around 10 mph.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Mostly Clear

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 62. Northeast wind 5 to 10 mph.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 39. Northeast wind around 5 mph.

    Low: 39 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 62. East wind 5 to 10 mph.

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 45. East wind 5 to 10 mph.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers. Partly sunny, with a high near 69. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 69 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 58. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 58 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 54. North wind around 10 mph.
Wednesday
Mostly sunny, with a high near 66. North wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 41. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thanksgiving Day
Sunny, with a high near 62. Northeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 39. Northeast wind around 5 mph.
Friday
Mostly sunny, with a high near 62. East wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 45. East wind 5 to 10 mph.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 69. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 58. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm before noon, then a chance of showers. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers. Cloudy, with a low around 46.
Monday
Showers likely. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Monday Night
Showers likely. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 54.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mermentau LA
 30.18°N 92.58°W
Last Update:
12:45 am CST Nov 26, 2025
Forecast Valid:
3am CST Nov 26, 2025-6pm CST Dec 2, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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