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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Lafayette, Lafayette Regional Airport (KLFT)

Lat: 30.2°NLon: 91.99°WElev: 39ft.

Fair

83°F

28°C

Humidity 82%
Wind Speed W 5 mph
Barometer 30.01 in (1016.2 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 28 Aug 11:53 pm CDT
Extended Forecast for

Duson LA

  • Overnight

    Overnight: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94. Heat index values as high as 103. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Heat index values as high as 106. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

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

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 92 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

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

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 75. Calm wind.
Saturday
Sunny, with a high near 94. Heat index values as high as 103. Calm wind becoming northeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 74. Calm wind.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Heat index values as high as 106. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 75. East wind around 5 mph becoming calm in the evening.
Monday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 75.
Friday
A 40 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:
Duson LA
 30.22°N 92.18°W
Last Update:
7:46 pm CDT Aug 28, 2026
Forecast Valid:
12am CDT Aug 29, 2026-6pm CDT Sep 4, 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