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 90%
Wind Speed Calm
Barometer 30.10 in (1019.2 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 21 Jun 7:53 am CDT
Extended Forecast for

3 Miles ENE Mermentau LA

  • Today

    Today: Mostly sunny, with a high near 92. Heat index values as high as 102. South wind around 5 mph.

    High: 92 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Heat index values as high as 102. Light east wind becoming southeast 5 to 10 mph in the morning.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Sunny, with a high near 91. East wind around 5 mph. Chance of precipitation is 70%.

    High: 91 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 90. East wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 90 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 89. East wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 89 °F

    T-storms
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 92. Heat index values as high as 102. South wind around 5 mph.
Tonight
Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening.
Sunday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Heat index values as high as 102. Light east wind becoming southeast 5 to 10 mph in the morning.
Sunday Night
A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.
Monday
Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Sunny, with a high near 91. East wind around 5 mph. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Tuesday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 90. East wind 5 to 10 mph. Chance of precipitation is 70%.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 89. East wind 5 to 10 mph. Chance of precipitation is 60%.
Wednesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 75.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Thursday Night
Mostly cloudy, with a low around 75.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Mermentau LA
 30.18°N 92.53°W
Last Update:
6:45 am CDT Jun 21, 2025
Forecast Valid:
8am CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
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Additional Resources

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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