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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

West Lafayette IN

Heat Advisory September 1, 02:00pm until September 3, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny and hot, with a high near 92. Heat index values as high as 102. West southwest wind 6 to 9 mph.

    High: 92 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 74. Southwest wind 3 to 5 mph.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 93. Heat index values as high as 102. Southwest wind 5 to 9 mph.

    High: 93 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. Southwest wind 3 to 5 mph.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 93. West southwest wind around 6 mph.

    High: 93 °F

    Hot

  • Thursday Night

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

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms before 2pm. Sunny and hot, with a high near 91. Light southwest wind.

    High: 91 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear
    then Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly before 8am. Mostly sunny, with a high near 89. Light and variable wind.

    High: 89 °F

    Chance
    T-storms

Detailed Forecast

Today
Sunny and hot, with a high near 92. Heat index values as high as 102. West southwest wind 6 to 9 mph.
Tonight
Mostly clear, with a low around 74. Southwest wind 3 to 5 mph.
Wednesday
Sunny and hot, with a high near 93. Heat index values as high as 102. Southwest wind 5 to 9 mph.
Wednesday Night
Mostly clear, with a low around 75. Southwest wind 3 to 5 mph.
Thursday
Sunny and hot, with a high near 93. West southwest wind around 6 mph.
Thursday Night
Mostly clear, with a low around 74. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms before 2pm. Sunny and hot, with a high near 91. Light southwest wind.
Friday Night
A 30 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 72. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before 8am. Mostly sunny, with a high near 89. Light and variable wind.
Saturday Night
A 20 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 69. Calm wind.
Sunday
A 10 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 65.
Labor Day
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Lafayette IN
 40.44°N 86.91°W (Elev. 699 ft)
Last Update:
3:45 am EDT Sep 1, 2026
Forecast Valid:
4am EDT Sep 1, 2026-6pm EDT Sep 7, 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