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.

Overcast

76°F

24°C

Humidity 91%
Wind Speed NE 5 mph
Barometer 29.97 in (1014.3 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 13 Aug 9:54 pm EDT
Extended Forecast for

Lafayette, Purdue University Airport IN

Flood Watch August 13, 10:24pm until August 15, 12:00am
Flood Warning August 13, 10:24pm until August 17, 08:00pm
Click here for hazard details and duration
Flood Watch
Flood Warning
  •  
    Flood Watch August 13, 10:24pm until August 15, 12:00am
    Flood Warning August 13, 10:24pm until August 17, 08:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 71 °F

    Slight Chance
    T-storms then
    Heavy Rain

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms between 9am and 2pm. Mostly cloudy, with a high near 82. East wind 5 to 7 mph becoming south southeast in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 82 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 71. East wind 3 to 6 mph.

    Low: 71 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Partly sunny and hot, with a high near 92. Heat index values as high as 107. East southeast wind around 6 mph becoming south southwest in the afternoon.

    High: 92 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. West southwest wind around 6 mph.

    Low: 72 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. West wind 3 to 6 mph.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Northwest wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 71. East northeast wind 6 to 8 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Friday
Showers likely and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms between 9am and 2pm. Mostly cloudy, with a high near 82. East wind 5 to 7 mph becoming south southeast in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 71. East wind 3 to 6 mph.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny and hot, with a high near 92. Heat index values as high as 107. East southeast wind around 6 mph becoming south southwest in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. West southwest wind around 6 mph.
Sunday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. West wind 3 to 6 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Northwest wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 62. Light north wind.
Tuesday
Sunny, with a high near 81. Calm wind.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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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:
10:16 pm EDT Aug 13, 2026
Forecast Valid:
10pm EDT Aug 13, 2026-6pm EDT Aug 20, 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