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

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Overcast

28°F

-2°C

Humidity 80%
Wind Speed SW 13 G 22 mph
Barometer 30.41 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 11 Jan 5:45 pm CST
Extended Forecast for

Plainfield IL

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 28. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 28 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 42. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 42 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Increasing clouds, with a low around 32. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 30 percent chance of rain after noon. Partly sunny, with a high near 48. West southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 48 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 31. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 31 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A chance of rain and snow before noon, then snow likely. Mostly cloudy, with a high near 37. Breezy. Chance of precipitation is 70%.

    High: 37 °F

    Breezy.
    Chance
    Rain/Snow
    then Snow
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 15. Blustery.

    Low: 15 °F

    Chance Snow
    and Blustery

  • Thursday

    Thursday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Chance Snow

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 28. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 42. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Increasing clouds, with a low around 32. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of rain after noon. Partly sunny, with a high near 48. West southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 31. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A chance of rain and snow before noon, then snow likely. Mostly cloudy, with a high near 37. Breezy. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 15. Blustery.
Thursday
Partly sunny, with a high near 27.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 22.
Friday
A chance of snow. Mostly cloudy, with a high near 33.
Friday Night
A chance of snow. Mostly cloudy, with a low around 19.
Saturday
A chance of snow. Mostly cloudy, with a high near 24.
Saturday Night
Mostly cloudy, with a low around 10.
Sunday
Partly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Plainfield IL
 41.64°N 88.19°W
Last Update:
5:41 pm CST Jan 11, 2026
Forecast Valid:
6pm CST Jan 11, 2026-6pm CST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation