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

49°F

9°C

Humidity 50%
Wind Speed W 16 G 26 mph
Barometer 30.02 in (1016.7 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 18 Apr 7:54 pm EDT
Extended Forecast for

Lafayette IN

Freeze Watch April 20, 02:00am until April 20, 09:00am
Frost Advisory April 19, 02:00am until April 19, 09:00am
Click here for hazard details and duration
Freeze Watch
Frost Advisory

  • Tonight

    Tonight: Areas of frost after 3am. Otherwise, mostly clear, with a low around 34. West southwest wind 5 to 10 mph.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Sunday

    Sunday: Isolated showers after 5pm. Areas of frost before 9am. Otherwise, increasing clouds, with a high near 55. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 10%.

    High: 55 °F

    Areas Frost
    then Isolated
    Showers

  • Sunday Night

    Sunday Night: Isolated showers before 7pm. Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 33. Northwest wind 6 to 11 mph becoming light north in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 10%.

    Low: 33 °F

    Isolated
    Showers then
    Frost

  • Monday

    Monday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 56. Calm wind.

    High: 56 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. Calm wind becoming south 5 to 8 mph after midnight.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74. Southwest wind 10 to 16 mph, with gusts as high as 28 mph.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 56. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. West southwest wind around 7 mph.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. South wind around 5 mph.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
Areas of frost after 3am. Otherwise, mostly clear, with a low around 34. West southwest wind 5 to 10 mph.
Sunday
Isolated showers after 5pm. Areas of frost before 9am. Otherwise, increasing clouds, with a high near 55. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 10%.
Sunday Night
Isolated showers before 7pm. Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 33. Northwest wind 6 to 11 mph becoming light north in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 10%.
Monday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 56. Calm wind.
Monday Night
Partly cloudy, with a low around 42. Calm wind becoming south 5 to 8 mph after midnight.
Tuesday
Mostly sunny, with a high near 74. Southwest wind 10 to 16 mph, with gusts as high as 28 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 56. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 77. West southwest wind around 7 mph.
Wednesday Night
Mostly clear, with a low around 58. South wind around 5 mph.
Thursday
Mostly sunny, with a high near 81. South southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 62.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 65.
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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:
8:15 pm EDT Apr 18, 2026
Forecast Valid:
8pm EDT Apr 18, 2026-6pm EDT Apr 25, 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