National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Super Typhoon Bavi to Impact Guam and the Mariana Islands; Excessive Rainfall and Flooding Threat in the Mid-Atlantic

Catastrophic Super Typhoon Bavi's eyewall has reached Rota and is expected to bring dangerous winds, heavy rainfall and storm surge to Guam, Rota, Tinian and Saipan. A Typhoon Warning remains in effect. Heavy to excessive rainfall will continue to bring a flooding threat from coastal Mid-Atlantic to southern New England through Monday. Read More >

Current conditions at

Lafayette, Lafayette Regional Airport (KLFT)

Lat: 30.2°NLon: 91.99°WElev: 39ft.

Overcast

75°F

24°C

Humidity 94%
Wind Speed NW 6 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 6 Jul 2:53 am CDT
Extended Forecast for

Mermentau LA

  • Overnight

    Overnight: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Showers and thunderstorms likely, mainly between 1pm and 3pm. Mostly sunny, with a high near 89. Heat index values as high as 100. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 88. Heat index values as high as 99. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 88 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 76. South wind around 5 mph becoming calm.

    Low: 76 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 89 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

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

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Light south wind increasing to 5 to 10 mph in the morning.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 77. South wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 76. Calm wind.
Monday
Showers and thunderstorms likely, mainly between 1pm and 3pm. Mostly sunny, with a high near 89. Heat index values as high as 100. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm.
Tuesday
Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 88. Heat index values as high as 99. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 76. South wind around 5 mph becoming calm.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Light south wind increasing to 5 to 10 mph in the morning.
Thursday Night
Partly cloudy, with a low around 77. South wind around 5 mph becoming calm in the evening.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Friday Night
Partly cloudy, with a low around 77.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. 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 89. Chance of precipitation is 60%.
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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:
2:46 am CDT Jul 6, 2026
Forecast Valid:
3am CDT Jul 6, 2026-6pm CDT Jul 12, 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