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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Overcast

45°F

7°C

Humidity 81%
Wind Speed NW 8 mph
Barometer 30.07 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 9 Jan 1:45 pm CST
Extended Forecast for

2 Miles SW Lemont IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 46. Northwest wind 5 to 15 mph.

    High: 46 °F

    Partly Sunny

  • Tonight

    Tonight: A 40 percent chance of rain after 2am. Mostly cloudy, with a low around 33. North northeast wind around 5 mph becoming south southeast after midnight.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: Rain and snow before noon, then a chance of snow showers. High near 36. South wind 5 to 10 mph becoming west 10 to 15 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 36 °F

    Rain/Snow
    then Chance
    Snow Showers

  • Saturday Night

    Saturday Night: Scattered snow showers. Mostly cloudy, with a low around 21. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 21 °F

    Scattered
    Snow Showers
    and Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 32. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 32 °F

    Partly Sunny
    and Breezy
    then Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain after noon. Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

This Afternoon
Partly sunny, with a high near 46. Northwest wind 5 to 15 mph.
Tonight
A 40 percent chance of rain after 2am. Mostly cloudy, with a low around 33. North northeast wind around 5 mph becoming south southeast after midnight.
Saturday
Rain and snow before noon, then a chance of snow showers. High near 36. South wind 5 to 10 mph becoming west 10 to 15 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Saturday Night
Scattered snow showers. Mostly cloudy, with a low around 21. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 32. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 40.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
A chance of rain after noon. Mostly cloudy, with a high near 46.
Tuesday Night
A chance of rain. Cloudy, with a low around 30.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 34.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 18.
Thursday
Partly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Lemont IL
 41.65°N 88.01°W
Last Update:
1:46 pm CST Jan 9, 2026
Forecast Valid:
1pm CST Jan 9, 2026-6pm CST Jan 15, 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