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August and Meteorological Summer 2026 Climate Summaries

Hazardous Weather Conditions

Current conditions at

Lafayette, Purdue University Airport (KLAF)

Lat: 40.41°NLon: 86.95°WElev: 604ft.

Fair

83°F

28°C

Humidity	85%
Wind Speed	Calm
Barometer	29.91 in (1012.3 mb)
Dewpoint	78°F (26°C)
Visibility	10.00 mi
Heat Index	93°F (34°C)
Last update	4 Sep 8:54 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles E Boswell IN

Heat Advisory September 4, 09:20pm until September 4, 11:00pm

Click here for hazard details and duration

...

Heat Advisory September 4, 09:20pm until September 4, 11:00pm
NOW until 11:00pm Fri
Heat Advisory
Tonight
Low: 74 °F
Mostly Clear
then Slight
Chance
T-storms
Saturday
High: 90 °F
Slight Chance
T-storms then
Sunny
Saturday Night
Low: 65 °F
Increasing
Clouds
Sunday
High: 82 °F
Sunny
Sunday Night
Low: 60 °F
Mostly Clear
Labor Day
High: 82 °F
Sunny
Monday Night
Low: 62 °F
Partly Cloudy
Tuesday
High: 87 °F
Mostly Sunny

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 74. South southwest wind around 5 mph becoming calm.

Saturday

A 10 percent chance of showers and thunderstorms before 8am. Sunny, with a high near 90. Heat index values as high as 100. West northwest wind around 5 mph becoming northeast in the morning. Winds could gust as high as 10 mph.

Saturday Night

Increasing clouds, with a low around 65. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

Sunday

Sunny, with a high near 82. East northeast wind around 5 mph, with gusts as high as 10 mph.

Sunday Night

Mostly clear, with a low around 60. East wind around 5 mph.

Labor Day

Sunny, with a high near 82.

Monday Night

Partly cloudy, with a low around 62.

Tuesday

Mostly sunny, with a high near 87.