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

79°F

26°C

Humidity 90%
Wind Speed Calm
Barometer 29.95 in (1014.2 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 12 Aug 12:53 am CDT
Extended Forecast for

Grand Coteau LA

  • Overnight

    Overnight: Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly between 1pm and 5pm. Mostly sunny, with a high near 92. Heat index values as high as 99. Calm wind becoming east around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 89. Heat index values as high as 97. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 89 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 50%.

    High: 91 °F

    Chance
    T-storms

  • Thursday Night

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

    Low: 75 °F

    Mostly Clear

  • Friday

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

    High: 92 °F

    Chance
    T-storms

  • Friday Night

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

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 76. Calm wind.
Tuesday
Showers and thunderstorms likely, mainly between 1pm and 5pm. Mostly sunny, with a high near 92. Heat index values as high as 99. Calm wind becoming east around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 75. Calm wind.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 89. Heat index values as high as 97. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 50%.
Thursday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93.
Saturday Night
Mostly clear, with a low around 75.
Sunday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 95.
Sunday Night
Partly cloudy, with a low around 75.
Monday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Coteau LA
 30.43°N 92.05°W
Last Update:
12:21 am CDT Aug 12, 2025
Forecast Valid:
1am CDT Aug 12, 2025-6pm CDT Aug 18, 2025
 
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