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

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Overcast

30°F

-1°C

Humidity 93%
Wind Speed S 6 mph
Barometer 29.98 in
Dewpoint 28°F (-2°C)
Visibility 9.00 mi
Wind Chill24°F (-4°C)
Last update 6 Dec 8:35 pm CST
Extended Forecast for

Plainfield IL

Winter Weather Advisory December 7, 12:00am until December 7, 09:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Snow, mainly after 9pm. The snow could be heavy at times. Low around 28. Southeast wind 5 to 10 mph becoming northeast after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.

    Low: 28 °F

    Snow Likely
    then Heavy
    Snow

  • Sunday

    Sunday: Snow likely before 9am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 16 by 5pm. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 28 °F⇓

    Snow Likely
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Increasing clouds, with a low around 10. Wind chill values as low as zero. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 15 mph.

    Low: 10 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 21. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 10 mph.

    High: 21 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 12. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 12 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 37.

    High: 37 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Rain. Low around 33. Chance of precipitation is 80%.

    Low: 33 °F

    Rain

  • Wednesday

    Wednesday: A chance of rain and snow before noon. Mostly cloudy, with a high near 36.

    High: 36 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Chance Snow

Detailed Forecast

Tonight
Snow, mainly after 9pm. The snow could be heavy at times. Low around 28. Southeast wind 5 to 10 mph becoming northeast after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.
Sunday
Snow likely before 9am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 16 by 5pm. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
A 20 percent chance of snow before midnight. Increasing clouds, with a low around 10. Wind chill values as low as zero. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 15 mph.
Monday
Partly sunny, with a high near 21. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 10 mph.
Monday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 12. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly cloudy, with a high near 37.
Tuesday Night
Rain. Low around 33. Chance of precipitation is 80%.
Wednesday
A chance of rain and snow before noon. Mostly cloudy, with a high near 36.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 18.
Thursday
A chance of snow. Mostly cloudy, with a high near 26.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 9.
Friday
Partly sunny, with a high near 16.
Friday Night
Mostly cloudy, with a low around -1.
Saturday
Partly sunny, with a high near 11.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Plainfield IL
 41.64°N 88.19°W
Last Update:
8:30 pm CST Dec 6, 2025
Forecast Valid:
8pm CST Dec 6, 2025-6pm CST Dec 13, 2025
 
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