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

76°F

24°C

Humidity 91%
Wind Speed S 3 mph
Barometer 30.11 in (1019.4 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 8 Jul 12:53 am CDT
Extended Forecast for

3 Miles ENE Mermentau LA

  • Overnight

    Overnight: Clear, with a low around 76. Calm wind.

    Low: 76 °F

    Clear

  • Tuesday

    Tuesday: Showers and thunderstorms, mainly before 4pm. High near 90. Heat index values as high as 100. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 90 °F

    Chance
    T-storms then
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 91. Heat index values as high as 103. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%.

    High: 91 °F

    Chance
    T-storms then
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 70%.

    High: 91 °F

    Showers
    Likely then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: A chance of thunderstorms before 7pm. Partly cloudy, with a low around 77. South wind around 5 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the morning.

    High: 92 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 76. Calm wind.
Tuesday
Showers and thunderstorms, mainly before 4pm. High near 90. Heat index values as high as 100. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm.
Wednesday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 91. Heat index values as high as 103. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 70%.
Thursday Night
A chance of thunderstorms before 7pm. Partly cloudy, with a low around 77. South wind around 5 mph. Chance of precipitation is 30%.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the morning.
Friday Night
Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 77.
Sunday
Showers and thunderstorms likely. Mostly sunny, with a high near 93. Chance of precipitation is 60%.
Sunday Night
Partly cloudy, with a low around 77.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Mermentau LA
 30.21°N 92.55°W
Last Update:
12:31 am CDT Jul 8, 2025
Forecast Valid:
1am CDT Jul 8, 2025-6pm CDT Jul 14, 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