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Hazardous Weather Conditions

Current conditions at

Lafayette, Purdue University Airport (KLAF)

Lat: 40.41°NLon: 86.95°WElev: 604ft.

Fair

91°F

33°C

Humidity 56%
Wind Speed SW 9 mph
Barometer 30.00 in (1015.3 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 2 Sep 1:54 pm EDT
Extended Forecast for

Lafayette, Purdue University Airport IN

Heat Advisory September 2, 02:09pm until September 3, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 2, 02:09pm until September 3, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 94 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 75. South southwest wind 3 to 5 mph.

    Low: 75 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 93. Heat index values as high as 103. Southwest wind 3 to 6 mph.

    High: 93 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms before 2pm. Mostly sunny and hot, with a high near 91. Calm wind.

    High: 91 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 88. Calm wind.

    High: 88 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 68. Light east wind. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 94. Heat index values as high as 105. Southwest wind around 7 mph.
Tonight
Clear, with a low around 75. South southwest wind 3 to 5 mph.
Thursday
Sunny and hot, with a high near 93. Heat index values as high as 103. Southwest wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 73. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms before 2pm. Mostly sunny and hot, with a high near 91. Calm wind.
Friday Night
A 40 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 71. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 88. Calm wind.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 68. Light east wind. Chance of precipitation is 30%.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83. Calm wind becoming east around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 64. Light east southeast wind.
Labor Day
Mostly sunny, with a high near 83.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 64.
Tuesday
A 10 percent chance of showers. Partly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lafayette, Purdue University Airport IN
 40.42°N 86.91°W (Elev. 604 ft)
Last Update:
1:45 pm EDT Sep 2, 2026
Forecast Valid:
2pm EDT Sep 2, 2026-6pm EDT Sep 8, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation