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

42°F

6°C

Humidity 71%
Wind Speed NE 7 mph
Barometer 30.23 in (1023.9 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 19 Apr 10:54 pm EDT
Extended Forecast for

4 Miles NNW Boswell IN

Freeze Warning April 20, 01:00am until April 20, 10:00am
Click here for hazard details and duration
Freeze Warning

  • Overnight

    Overnight: Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 31. North wind around 5 mph becoming calm.

    Low: 31 °F

    Frost

  • Monday

    Monday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 55. Calm wind becoming east northeast around 5 mph.

    High: 55 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. South wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 74 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 58. West southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 10 percent chance of showers before 8am. Mostly sunny, with a high near 76.

    High: 76 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Breezy.

    High: 80 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A chance of showers after 2am. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 31. North wind around 5 mph becoming calm.
Monday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 55. Calm wind becoming east northeast around 5 mph.
Monday Night
Partly cloudy, with a low around 43. South wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
Mostly sunny, with a high near 74. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 58. West southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday
A 10 percent chance of showers before 8am. Mostly sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 80. Breezy.
Thursday Night
A chance of showers after 2am. Mostly cloudy, with a low around 62.
Friday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 74.
Friday Night
A chance of showers. Mostly cloudy, with a low around 49.
Saturday
Partly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Partly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Boswell IN
 40.57°N 87.39°W
Last Update:
10:21 pm EDT Apr 19, 2026
Forecast Valid:
12am EDT Apr 20, 2026-6pm EDT Apr 26, 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