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

Hazardous Weather Conditions

Current conditions at

Lafayette, Purdue University Airport (KLAF)

Lat: 40.41°NLon: 86.95°WElev: 604ft.

A Few Clouds

89°F

32°C

Humidity 63%
Wind Speed S 5 mph
Barometer 29.92 in (1012.7 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 5 Sep 1:54 pm EDT
Extended Forecast for

Lafayette IN

Heat Advisory September 5, 04:12pm until September 5, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 5, 04:12pm until September 5, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 92 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 64. East northeast wind 6 to 9 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 81. Northeast wind 6 to 9 mph.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 58. East northeast wind 3 to 6 mph.

    Low: 58 °F

    Clear

  • Labor Day

    Labor Day: Sunny, with a high near 82. East wind 5 to 7 mph.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. East wind 3 to 5 mph.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. Light south wind increasing to 5 to 9 mph in the evening. Winds could gust as high as 20 mph.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Mostly sunny and hot, with a high near 92. Heat index values as high as 102. North wind around 8 mph. Chance of precipitation is 30%.
Tonight
Isolated showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 64. East northeast wind 6 to 9 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 81. Northeast wind 6 to 9 mph.
Sunday Night
Clear, with a low around 58. East northeast wind 3 to 6 mph.
Labor Day
Sunny, with a high near 82. East wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 61. East wind 3 to 5 mph.
Tuesday
Sunny, with a high near 88. Calm wind becoming south southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 70. Light south wind increasing to 5 to 9 mph in the evening. Winds could gust as high as 20 mph.
Wednesday
Mostly sunny and hot, with a high near 92. West southwest wind 13 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 66. West wind 5 to 7 mph becoming calm after midnight.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lafayette IN
 40.4°N 86.88°W (Elev. 646 ft)
Last Update:
3:45 pm EDT Sep 5, 2026
Forecast Valid:
4pm EDT Sep 5, 2026-6pm EDT Sep 11, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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