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

79°F

26°C

Humidity 79%
Wind Speed N 6 mph
Barometer 29.93 in (1012.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 19 Sep 5:54 pm EDT
Extended Forecast for

Lafayette IN

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 69. Light and variable wind becoming east southeast around 5 mph after midnight.

    Low: 69 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 80. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 57. East northeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely then
    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 68. East northeast wind 10 to 13 mph, with gusts as high as 22 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. East northeast wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 53 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 67. Northeast wind around 11 mph, with gusts as high as 21 mph.

    High: 67 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 54. Northeast wind 6 to 11 mph.

    Low: 54 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 68. North northeast wind 6 to 8 mph.

    High: 68 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 54. North northeast wind 5 to 7 mph becoming calm after midnight.

    Low: 54 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 69. Light and variable wind becoming east southeast around 5 mph after midnight.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 80. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 57. East northeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 68. East northeast wind 10 to 13 mph, with gusts as high as 22 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. East northeast wind 9 to 11 mph, with gusts as high as 21 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 67. Northeast wind around 11 mph, with gusts as high as 21 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 54. Northeast wind 6 to 11 mph.
Wednesday
Mostly cloudy, with a high near 68. North northeast wind 6 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 54. North northeast wind 5 to 7 mph becoming calm after midnight.
Thursday
Mostly cloudy, with a high near 70. North northeast wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 55.
Friday
Partly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 75.
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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:
6:16 pm EDT Sep 19, 2026
Forecast Valid:
6pm EDT Sep 19, 2026-6pm EDT Sep 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