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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Current conditions at

Lafayette, Lafayette Regional Airport (KLFT)

Lat: 30.2°NLon: 91.99°WElev: 39ft.

Fair

71°F

22°C

Humidity 96%
Wind Speed NE 5 mph
Barometer 30.11 in (1019.6 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 18 Sep 4:53 am CDT
Extended Forecast for

Lafayette LA

  • Today

    Today: Sunny, with a high near 94. Heat index values as high as 97. Calm wind becoming east around 5 mph in the morning.

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 71. East wind around 5 mph becoming calm.

    Low: 71 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 96. Heat index values as high as 101. Calm wind becoming east around 5 mph in the afternoon.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 74. South wind around 5 mph becoming calm.

    Low: 74 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 97. Calm wind becoming south around 5 mph in the afternoon.

    High: 97 °F

    Hot

  • Sunday Night

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

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98. Calm wind becoming north around 5 mph.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

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

    Low: 76 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 99 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 94. Heat index values as high as 97. Calm wind becoming east around 5 mph in the morning.
Tonight
Clear, with a low around 71. East wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 96. Heat index values as high as 101. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
Clear, with a low around 74. South wind around 5 mph becoming calm.
Sunday
Sunny and hot, with a high near 97. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98. Calm wind becoming north around 5 mph.
Monday Night
Partly cloudy, with a low around 76. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Calm wind becoming northeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lafayette LA
 30.22°N 92.05°W
Last Update:
2:45 am CDT Sep 18, 2026
Forecast Valid:
5am CDT Sep 18, 2026-6pm CDT Sep 24, 2026
 
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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