Current conditions at

Lafayette, Purdue University Airport (KLAF)

Lat: 40.41°NLon: 86.95°WElev: 604ft.

Fair

94°F

34°C

Humidity 49%
Wind Speed W 10 mph
Barometer 29.98 in (1014.4 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 4 Sep 1:54 pm EDT
Extended Forecast for

5 Miles WSW Brookston IN

Heat Advisory September 4, 02:04pm until September 4, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 4, 02:04pm until September 4, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 93 °F

    Hot

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am.  Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear
    then Chance
    T-storms

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms before 7am.  Sunny and hot, with a high near 90. Heat index values as high as 97. Calm wind becoming north around 5 mph in the afternoon.

    High: 90 °F

    Slight Chance
    T-storms then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66. Northeast wind 5 to 10 mph.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 82. Northeast wind 5 to 10 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 93. Heat index values as high as 103. West wind around 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 72. Calm wind.
Saturday
A 10 percent chance of showers and thunderstorms before 7am. Sunny and hot, with a high near 90. Heat index values as high as 97. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 66. Northeast wind 5 to 10 mph.
Sunday
Sunny, with a high near 82. Northeast wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 60.
Labor Day
Sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
Mostly sunny and hot, with a high near 91.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Brookston IN
 40.58°N 86.96°W (Elev. 728 ft)
2:01 pm EDT Sep 4, 2026
2pm EDT Sep 4, 2026-6pm EDT Sep 10, 2026
 
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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