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.

Fair

72°F

22°C

Humidity 82%
Wind Speed N 6 mph
Barometer 30.03 in (1016.7 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 20 Aug 8:54 pm EDT
Extended Forecast for

West Lafayette IN

Flood Warning August 20, 09:30pm until August 23, 12:48pm
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning August 20, 09:30pm until August 23, 12:48pm

    NOW until 12:48pm Sun

    Flood Warning

  • Tonight

    Low: 60 °F

    Mostly Clear
    then Patchy
    Dense Fog

  • Friday

    Friday: Patchy dense fog before 10am. Otherwise, partly sunny, with a high near 79. Calm wind.

    High: 79 °F

    Patchy Dense
    Fog then
    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 63. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 2pm. Partly sunny, with a high near 78. West southwest wind 5 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 78 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. Northwest wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 75. Calm wind becoming north northwest 5 to 8 mph in the morning.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54. Light northeast wind.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 74. Light and variable wind.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Tonight
Patchy dense fog after midnight. Otherwise, mostly clear, with a low around 60. Light north northeast wind.
Friday
Patchy dense fog before 10am. Otherwise, partly sunny, with a high near 79. Calm wind.
Friday Night
A 50 percent chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 63. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A 20 percent chance of showers before 2pm. Partly sunny, with a high near 78. West southwest wind 5 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 59. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 75. Calm wind becoming north northwest 5 to 8 mph in the morning.
Sunday Night
Mostly clear, with a low around 54. Light northeast wind.
Monday
Mostly sunny, with a high near 74. Light and variable wind.
Monday Night
Partly cloudy, with a low around 56. Calm wind.
Tuesday
Mostly sunny, with a high near 77. Light south wind.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 79.
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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:
9:15 pm EDT Aug 20, 2026
Forecast Valid:
9pm EDT Aug 20, 2026-6pm EDT Aug 27, 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