Flash Flooding Continuing Along the Gulf Coast; Dry Thunderstorms in the West

Excessive rainfall continues to produce life-threatening, locally catastrophic flash flooding along the central Gulf Coast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts Oregon, California, and the Great Basin into the weekend. Read More >

Current conditions at

Lafayette, Lafayette Regional Airport (KLFT)

Lat: 30.2°NLon: 91.99°WElev: 39ft.

A Few Clouds

87°F

31°C

Humidity 80%
Wind Speed S 10 mph
Barometer 29.91 in (1012.7 mb)
Dewpoint 80°F (27°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 19 Jun 6:53 pm CDT
Extended Forecast for

Mermentau LA

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 79. South wind around 5 mph.

    Low: 79 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 89. Heat index values as high as 100. Calm wind becoming south around 5 mph in the morning.

    High: 89 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 78. South wind around 5 mph.

    Low: 78 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 10 percent chance of showers before 7am.  Mostly sunny, with a high near 88. Heat index values as high as 99. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 88 °F

    Slight Chance
    Showers then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 80. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 80 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 78. South wind 5 to 10 mph.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. Southwest wind 5 to 10 mph becoming light  in the evening.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 79. South wind around 5 mph.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 89. Heat index values as high as 100. Calm wind becoming south around 5 mph in the morning.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 78. South wind around 5 mph.
Sunday
A 10 percent chance of showers before 7am. Mostly sunny, with a high near 88. Heat index values as high as 99. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 80. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 90. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 78. South wind 5 to 10 mph.
Tuesday
Sunny, with a high near 92. Light south wind becoming southwest 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 77. Southwest wind 5 to 10 mph becoming light in the evening.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 75.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Mermentau LA
 30.19°N 92.61°W
6:45 pm CDT Jun 19, 2026
7pm CDT Jun 19, 2026-6pm CDT Jun 26, 2026
 
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Additional Resources

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