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

47°F

8°C

Humidity 39%
Wind Speed E 6 mph
Barometer 30.38 in (1028.8 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 20 Apr 10:54 am EDT
Extended Forecast for

Lafayette, Purdue University Airport IN

  • Today

    Today: Sunny, with a high near 56. Light and variable wind.

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. Calm wind becoming south 5 to 8 mph after midnight.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75. Southwest wind 10 to 17 mph, with gusts as high as 29 mph.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of thunderstorms before 8am. Mostly sunny, with a high near 76. West southwest wind around 7 mph. Chance of precipitation is 10%.

    High: 76 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. South wind 3 to 5 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80. South southwest wind 7 to 14 mph, with gusts as high as 24 mph.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 63. South wind around 10 mph, with gusts as high as 21 mph.

    Low: 63 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms before 8am, then showers likely between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 75. South southwest wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 75 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 56. Light and variable wind.
Tonight
Mostly clear, with a low around 43. Calm wind becoming south 5 to 8 mph after midnight.
Tuesday
Mostly sunny, with a high near 75. Southwest wind 10 to 17 mph, with gusts as high as 29 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Wednesday
A slight chance of thunderstorms before 8am. Mostly sunny, with a high near 76. West southwest wind around 7 mph. Chance of precipitation is 10%.
Wednesday Night
Mostly clear, with a low around 57. South wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 80. South southwest wind 7 to 14 mph, with gusts as high as 24 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 63. South wind around 10 mph, with gusts as high as 21 mph.
Friday
A chance of showers and thunderstorms before 8am, then showers likely between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 75. South southwest wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers. Low around 51. Southwest wind 6 to 8 mph becoming west northwest after midnight. Chance of precipitation is 80%.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 68.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 47.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 70.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lafayette, Purdue University Airport IN
 40.42°N 86.94°W (Elev. 630 ft)
Last Update:
11:15 am EDT Apr 20, 2026
Forecast Valid:
11am EDT Apr 20, 2026-6pm EDT Apr 26, 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