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.

Mostly Cloudy

82°F

28°C

Humidity 69%
Wind Speed Vrbl 5 mph
Barometer 29.91 in (1012.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 19 Aug 3:54 pm EDT
Extended Forecast for

West Lafayette IN

Flood Watch until August 20, 08:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until August 20, 08:00am

    NOW until 8:00am Thu

    Flood Watch

  • This Afternoon

    High: 78 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then isolated showers between 1am and 2am. Some of the storms could produce heavy rainfall. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 62. Light north northeast wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Heavy Rain
    then
    Scattered
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Mostly sunny, with a high near 79. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 80. Calm wind.

    High: 80 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 79. Light west wind becoming northwest 5 to 9 mph in the morning. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. Northwest wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Mostly cloudy, with a high near 78. Southwest wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 1am, then isolated showers between 1am and 2am. Some of the storms could produce heavy rainfall. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 62. Light north northeast wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Mostly sunny, with a high near 79. Calm wind becoming north northeast around 5 mph in the afternoon.
Thursday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 60. Calm wind.
Friday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 80. Calm wind.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 62. Calm wind.
Saturday
A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 79. Light west wind becoming northwest 5 to 9 mph in the morning. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 60. Northwest wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers. Sunny, with a high near 77. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Sunday Night
A 20 percent chance of showers before 2am. Partly cloudy, with a low around 56. Light and variable wind.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Lafayette IN
 40.46°N 86.91°W (Elev. 699 ft)
Last Update:
4:45 pm EDT Aug 19, 2026
Forecast Valid:
4pm EDT Aug 19, 2026-6pm EDT Aug 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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