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

68°F

20°C

Humidity 93%
Wind Speed Calm
Barometer 29.94 in (1013.3 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 19 Aug 1:54 am EDT
Extended Forecast for

West Lafayette IN

Flood Warning August 19, 02:54am until August 19, 11:45pm
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning August 19, 02:54am until August 19, 11:45pm

    NOW until 11:45pm Wed

    Flood Warning

  • Overnight

    Low: 69 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 78. Calm wind.

    High: 78 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Mostly sunny, with a high near 78. Calm wind becoming northeast around 5 mph.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 79. Light and variable wind.

    High: 79 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 78. Calm wind becoming northwest 5 to 8 mph in the morning.

    High: 78 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms before 3am, then a slight chance of showers and thunderstorms after 5am. Patchy fog after 5am. Otherwise, mostly cloudy, with a steady temperature around 69. Light southwest wind. Chance of precipitation is 20%.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 78. Calm wind.
Wednesday Night
A chance of showers and thunderstorms. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 78. Calm wind becoming northeast around 5 mph.
Thursday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 61. Calm wind.
Friday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 79. Light and variable wind.
Friday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 20%.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 78. Calm wind becoming northwest 5 to 8 mph in the morning.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 60. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 76. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Lafayette IN
 40.44°N 86.91°W (Elev. 699 ft)
Last Update:
2:45 am EDT Aug 19, 2026
Forecast Valid:
2am EDT Aug 19, 2026-6pm EDT Aug 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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