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.

Partly Cloudy

70°F

21°C

Humidity 82%
Wind Speed E 7 mph
Barometer 29.91 in (1012.5 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 11 Sep 10:54 pm EDT
Extended Forecast for

Lafayette IN

  • Tonight

    Tonight: A slight chance of showers between 4am and 5am, then a slight chance of showers and thunderstorms after 5am. Patchy fog after 4am. Otherwise, mostly cloudy, with a steady temperature around 70. Light south wind. Chance of precipitation is 10%.

    Low: 70 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Saturday

    Saturday: Isolated showers and thunderstorms, mainly between 11am and noon. Patchy fog before 8am. Otherwise, partly sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 83. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 83 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 58. North northeast wind 3 to 7 mph. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers

  • Monday

    Monday: A 10 percent chance of showers before 8am. Mostly sunny, with a high near 79. East northeast wind 5 to 7 mph.

    High: 79 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. South southeast wind 6 to 8 mph.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. South wind around 6 mph becoming calm after midnight.

    Low: 68 °F

    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers between 4am and 5am, then a slight chance of showers and thunderstorms after 5am. Patchy fog after 4am. Otherwise, mostly cloudy, with a steady temperature around 70. Light south wind. Chance of precipitation is 10%.
Saturday
Isolated showers and thunderstorms, mainly between 11am and noon. Patchy fog before 8am. Otherwise, partly sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 66. Calm wind.
Sunday
Partly sunny, with a high near 83. Calm wind becoming north northwest around 5 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 58. North northeast wind 3 to 7 mph. Chance of precipitation is 30%.
Monday
A 10 percent chance of showers before 8am. Mostly sunny, with a high near 79. East northeast wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 65. South southeast wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 89. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. South wind around 6 mph becoming calm after midnight.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Light and variable wind becoming southeast around 5 mph in the morning.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Lafayette IN
 40.42°N 86.88°W (Elev. 630 ft)
Last Update:
11:45 pm EDT Sep 11, 2026
Forecast Valid:
11pm EDT Sep 11, 2026-6pm EDT Sep 18, 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