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.

Overcast

56°F

13°C

Humidity 70%
Wind Speed Vrbl 5 mph
Barometer 30.26 in (1024.5 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 21 Jan 6:53 am CST
Extended Forecast for

Mermentau LA

  • Today

    Today: A 50 percent chance of showers after noon. Mostly cloudy, with a high near 67. South wind 5 to 10 mph, with gusts as high as 20 mph. New precipitation amounts between a quarter and half of an inch possible.

    High: 67 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tonight

    Tonight: A 50 percent chance of showers, mainly before 2am. Cloudy, with a low around 58. South wind around 5 mph becoming calm in the evening. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 58 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 69. Calm wind becoming southeast around 5 mph in the morning.

    High: 69 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 56. South wind around 5 mph becoming calm.

    Low: 56 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers. Mostly cloudy, with a high near 68. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 68 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers. Cloudy, with a low around 39. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers. High near 41. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 41 °F

    Showers

  • Saturday Night

    Saturday Night: Rain showers before midnight, then freezing rain likely. Low around 25. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Low: 25 °F

    Showers then
    Freezing Rain
    Likely

  • Sunday

    Sunday: A chance of freezing rain before noon, then a chance of rain showers. Mostly cloudy, with a high near 33. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 33 °F

    Chance
    Freezing Rain
    then Chance
    Showers

Detailed Forecast

Today
A 50 percent chance of showers after noon. Mostly cloudy, with a high near 67. South wind 5 to 10 mph, with gusts as high as 20 mph. New precipitation amounts between a quarter and half of an inch possible.
Tonight
A 50 percent chance of showers, mainly before 2am. Cloudy, with a low around 58. South wind around 5 mph becoming calm in the evening. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 30 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 69. Calm wind becoming southeast around 5 mph in the morning.
Thursday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 56. South wind around 5 mph becoming calm.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 68. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
A 40 percent chance of showers. Cloudy, with a low around 39. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Showers. High near 41. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Saturday Night
Rain showers before midnight, then freezing rain likely. Low around 25. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Sunday
A chance of freezing rain before noon, then a chance of rain showers. Mostly cloudy, with a high near 33. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Sunday Night
A slight chance of freezing rain before midnight. Mostly cloudy, with a low around 19. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 36.
Monday Night
Mostly clear, with a low around 19.
Tuesday
Sunny, with a high near 44.
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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:
7:21 am CST Jan 21, 2026
Forecast Valid:
7am CST Jan 21, 2026-6pm CST Jan 27, 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