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

80°F

27°C

Humidity 85%
Wind Speed Calm
Barometer 30.09 in (1019.0 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 26 Jun 8:53 am CDT
Extended Forecast for

Mermentau LA

  • Today

    Today: Sunny, with a high near 91. Heat index values as high as 103. Calm wind becoming south around 5 mph in the afternoon.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 91 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 91 °F

    T-storms
    Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 76. South wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Partly Cloudy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the morning.

    High: 92 °F

    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 91. Heat index values as high as 103. Calm wind becoming south around 5 mph in the afternoon.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 40%.
Saturday Night
Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
Sunday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night
Partly cloudy, with a low around 76. South wind around 5 mph becoming calm in the evening.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the morning.
Monday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 77.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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:
6:45 am CDT Jun 26, 2025
Forecast Valid:
9am CDT Jun 26, 2025-6pm CDT Jul 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