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.

A Few Clouds

71°F

22°C

Humidity 96%
Wind Speed Calm
Barometer 30.02 in (1016.0 mb)
Dewpoint 70°F (21°C)
Visibility 8.00 mi
Last update 13 Jul 9:54 pm EDT
Extended Forecast for

2 Miles SW Lafayette, Purdue University Airport IN

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 86. Calm wind.

    High: 86 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Calm wind becoming south southeast around 6 mph in the afternoon.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 71. Light south wind.

    Low: 71 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Southwest wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 71. South southwest wind around 7 mph. Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. West southwest wind 6 to 10 mph. Chance of precipitation is 60%.

    High: 86 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 69. West southwest wind 5 to 7 mph. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 67. Calm wind.
Monday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 86. Calm wind.
Monday Night
Mostly clear, with a low around 67. Calm wind.
Tuesday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Calm wind becoming south southeast around 6 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 71. Light south wind.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Southwest wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 71. South southwest wind around 7 mph. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. West southwest wind 6 to 10 mph. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 69. West southwest wind 5 to 7 mph. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 82. West northwest wind 5 to 7 mph.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Lafayette, Purdue University Airport IN
 40.42°N 86.94°W (Elev. 630 ft)
Last Update:
10:16 pm EDT Jul 13, 2025
Forecast Valid:
10pm EDT Jul 13, 2025-6pm EDT Jul 20, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation