Tracking Two Storms Impacting the Central and Eastern U.S. Through This Weekend

Two storm systems will track through the central and eastern U.S. through this weekend with areas of gusty winds, rain, and heavy snow. Severe thunderstorms are forecast Friday from the central Gulf Coast into parts of the lower Mississippi, Tennessee and Ohio Valleys. Heavy to excessive rainfall is forecast from the lower Mississippi River Valley to the Tennessee Valley which may bring flooding. Read More >

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Partly Cloudy

59°F

15°C

Humidity 88%
Wind Speed S 18 mph
Barometer 29.42 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 9 Jan 1:10 am CST
Extended Forecast for

2 Miles SSW Lemont IL

Flood Advisory until January 9, 08:30am
Click here for hazard details and duration
Flood Advisory
  •  
    Flood Advisory until January 9, 08:30am

    NOW until 8:30am Fri

    Flood Advisory

  • Overnight

    Low: 43 °F

    Slight Chance
    Rain and
    Breezy

  • Friday

    Friday: A 30 percent chance of showers, mainly before 9am.  Mostly cloudy, with a temperature falling to around 42 by 9am. Breezy, with a west southwest wind 15 to 25 mph becoming north northwest 5 to 10 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 46 °F

    Chance
    Showers and
    Breezy then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 32. North wind around 5 mph becoming south southeast after midnight.

    Low: 32 °F

    Mostly Cloudy

  • Saturday

    Saturday: Snow likely, possibly mixed with rain, mainly before noon.  Mostly cloudy, with a high near 37. Breezy, with a south southeast wind 5 to 10 mph becoming west 15 to 20 mph in the morning. Winds could gust as high as 30 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Rain/Snow
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 21. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 21 °F

    Chance Snow
    and Blustery

  • Sunday

    Sunday: A 20 percent chance of snow before noon.  Partly sunny, with a high near 31.

    High: 31 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

Overnight
A slight chance of rain before 3am, then a slight chance of showers after 3am. Mostly cloudy, with a low around 43. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
Friday
A 30 percent chance of showers, mainly before 9am. Mostly cloudy, with a temperature falling to around 42 by 9am. Breezy, with a west southwest wind 15 to 25 mph becoming north northwest 5 to 10 mph in the afternoon. Winds could gust as high as 40 mph.
Friday Night
Mostly cloudy, with a low around 32. North wind around 5 mph becoming south southeast after midnight.
Saturday
Snow likely, possibly mixed with rain, mainly before noon. Mostly cloudy, with a high near 37. Breezy, with a south southeast wind 5 to 10 mph becoming west 15 to 20 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 21. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
A 20 percent chance of snow before noon. Partly sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 39.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
Mostly cloudy, with a high near 43.
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
Mostly cloudy, with a low around 21.
Thursday
Partly sunny, with a high near 29.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Lemont IL
 41.65°N 87.98°W
12:11 am CST Jan 9, 2026
1am CST Jan 9, 2026-6pm CST Jan 15, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database