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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Lafayette, Lafayette Regional Airport (KLFT)

Lat: 30.2°NLon: 91.99°WElev: 39ft.

Mostly Cloudy

90°F

32°C

Humidity 47%
Wind Speed E 5 mph
Barometer 30.08 in (1018.5 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 18 Sep 2:53 pm CDT
Extended Forecast for

Lafayette LA

  • This Afternoon

    This Afternoon: Sunny, with a high near 94. Heat index values as high as 98. East wind around 5 mph.

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 72. East wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 96. Heat index values as high as 103. Calm wind becoming southeast 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 in the evening.

    Low: 74 °F

    Clear

  • Sunday

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

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97. Calm wind becoming north around 5 mph.

    High: 97 °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: Sunny and hot, with a high near 98. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 98 °F

    Hot

Detailed Forecast

This Afternoon
Sunny, with a high near 94. Heat index values as high as 98. East wind around 5 mph.
Tonight
Clear, with a low around 72. East wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 96. Heat index values as high as 103. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Clear, with a low around 74. South wind around 5 mph becoming calm in the evening.
Sunday
Sunny and hot, with a high near 97. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97. Calm wind becoming north around 5 mph.
Monday Night
Partly cloudy, with a low around 76. Calm wind.
Tuesday
Sunny and hot, with a high near 98. 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 95.
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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:
2:46 pm CDT Sep 18, 2026
Forecast Valid:
3pm CDT Sep 18, 2026-6pm CDT Sep 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation