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 42%
Wind Speed SW 12 G 26 mph
Barometer 30.06 in (1018.0 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 21 Apr 11:54 am EDT
Extended Forecast for

Lafayette IN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 75. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 32 mph.

    High: 75 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly clear during the early evening, then becoming mostly cloudy, with a low around 59. Southwest wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Scattered
    T-storms

  • Wednesday

    Wednesday: Isolated thunderstorms before 8am, then isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 75. West southwest wind around 7 mph. Chance of precipitation is 20%.

    High: 75 °F

    Isolated
    T-storms

  • Wednesday Night

    Wednesday Night: Isolated showers and thunderstorms before 8pm. Partly cloudy, with a low around 58. Light south southwest wind. Chance of precipitation is 10%.

    Low: 58 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 79. South wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 62. South wind around 8 mph.

    Low: 62 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 76. South wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    High: 76 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 55. West southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 80%.

    Low: 55 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers. Mostly sunny, with a high near 70. North wind 6 to 8 mph.

    High: 70 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 75. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 32 mph.
Tonight
Scattered showers and thunderstorms. Mostly clear during the early evening, then becoming mostly cloudy, with a low around 59. Southwest wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Isolated thunderstorms before 8am, then isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 75. West southwest wind around 7 mph. Chance of precipitation is 20%.
Wednesday Night
Isolated showers and thunderstorms before 8pm. Partly cloudy, with a low around 58. Light south southwest wind. Chance of precipitation is 10%.
Thursday
Sunny, with a high near 79. South wind 5 to 11 mph, with gusts as high as 21 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 62. South wind around 8 mph.
Friday
A slight chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 76. South wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 55. West southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 80%.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 70. North wind 6 to 8 mph.
Saturday Night
Partly cloudy, with a low around 49. North northeast wind around 6 mph.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lafayette IN
 40.42°N 86.88°W (Elev. 630 ft)
Last Update:
12:45 pm EDT Apr 21, 2026
Forecast Valid:
12pm EDT Apr 21, 2026-6pm EDT Apr 27, 2026
 
Forecast Discussion
 
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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