Current conditions at

Lafayette, Purdue University Airport (KLAF)

Lat: 40.41°NLon: 86.95°WElev: 604ft.

Fair

89°F

32°C

Humidity 63%
Wind Speed Calm
Barometer 29.92 in (1012.4 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 4 Sep 7:54 pm EDT
Extended Forecast for

Lafayette IN

Heat Advisory September 4, 08:34pm until September 5, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 4, 08:34pm until September 5, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Tonight

    Low: 73 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 92. Heat index values as high as 101. Calm wind becoming north northwest 5 to 7 mph in the afternoon.  Chance of precipitation is 20%.

    High: 92 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. East northeast wind 5 to 8 mph.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 81. East northeast wind 5 to 8 mph.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 58 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 83. Calm wind becoming east around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. Light east southeast wind.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Tonight
A 10 percent chance of showers and thunderstorms after 4am. Mostly clear, with a low around 73. Calm wind.
Saturday
A slight chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Heat index values as high as 101. Calm wind becoming north northwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 64. East northeast wind 5 to 8 mph.
Sunday
Sunny, with a high near 81. East northeast wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 58. Northeast wind around 5 mph becoming calm in the evening.
Labor Day
Sunny, with a high near 83. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 62. Light east southeast wind.
Tuesday
Mostly sunny, with a high near 88. Calm wind becoming south southwest around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 70. Calm wind becoming south 5 to 9 mph after midnight.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. West southwest wind around 13 mph, with gusts as high as 23 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 83.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Lafayette IN
 40.42°N 86.88°W (Elev. 630 ft)
8:15 pm EDT Sep 4, 2026
8pm EDT Sep 4, 2026-6pm EDT Sep 11, 2026
 
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Additional Resources

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