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

62°F

17°C

Humidity 86%
Wind Speed Calm
Barometer 29.95 in (1014.1 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 11 Oct 8:54 pm EDT
Extended Forecast for

4 Miles N Williamsport IN

  • Tonight

    Tonight: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 88. South southwest wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 70. South southwest wind around 9 mph.

    Low: 70 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. West southwest wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. Light southwest wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 78. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 78 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 59. North northeast wind 6 to 8 mph. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 72. East wind 8 to 10 mph. Chance of precipitation is 70%.

    High: 72 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. East wind 7 to 10 mph becoming west after midnight. Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 56. Calm wind.
Columbus Day
Sunny, with a high near 88. South southwest wind 6 to 13 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 70. South southwest wind around 9 mph.
Tuesday
Sunny, with a high near 89. West southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. Light southwest wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and possibly a thunderstorm. High near 78. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 59. North northeast wind 6 to 8 mph. Chance of precipitation is 60%.
Thursday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 72. East wind 8 to 10 mph. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. East wind 7 to 10 mph becoming west after midnight. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers, mainly before 8am. Partly sunny, with a high near 63. Breezy, with a west northwest wind 16 to 20 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Williamsport IN
 40.35°N 87.29°W (Elev. 656 ft)
Last Update:
9:36 pm EDT Oct 11, 2026
Forecast Valid:
9pm EDT Oct 11, 2026-6pm EDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation