National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Lafayette, Purdue University Airport (KLAF)

Lat: 40.41°NLon: 86.95°WElev: 604ft.

A Few Clouds

74°F

23°C

Humidity 69%
Wind Speed NW 9 mph
Barometer 30.00 in (1015.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 19 May 8:54 pm EDT
Extended Forecast for

5 Miles WSW Brookston IN

  • Tonight

    Tonight: Mostly cloudy, with a low around 53. West wind 5 to 10 mph becoming north after midnight.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 10 percent chance of showers before 7am. Mostly cloudy, with a high near 66. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 66 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68. East wind around 15 mph, with gusts as high as 20 mph.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 49. East wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 68. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 57. Chance of precipitation is 80%.

    Low: 57 °F

    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms, then a chance of showers after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.

    Low: 58 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 53. West wind 5 to 10 mph becoming north after midnight.
Wednesday
A 10 percent chance of showers before 7am. Mostly cloudy, with a high near 66. North wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 46. North wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 68. East wind around 15 mph, with gusts as high as 20 mph.
Thursday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 49. East wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 68. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 57. Chance of precipitation is 80%.
Saturday
A chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 30%.
Saturday Night
A slight chance of showers and thunderstorms, then a chance of showers after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 30%.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Memorial Day
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Brookston IN
 40.58°N 86.96°W (Elev. 728 ft)
Last Update:
7:15 pm EDT May 19, 2026
Forecast Valid:
9pm EDT May 19, 2026-6pm EDT May 26, 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