Heavy Mountain Snow in the Northwest U.S.; Wintry Mix in the Northeast U.S.

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. overnight into Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Fog/Mist

36°F

2°C

Humidity 100%
Wind Speed W 8 mph
Barometer 29.86 in
Dewpoint 36°F (2°C)
Visibility 4.00 mi
Wind Chill30°F (-1°C)
Last update 7 Jan 3:35 am CST
Extended Forecast for

Chicago/Romeoville, Lewis University Airport IL

  • Overnight

    Overnight: Patchy fog.  Otherwise, cloudy, with a low around 34. West wind around 5 mph.

    Low: 34 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of dense fog before noon.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 47. West wind 5 to 10 mph becoming south in the afternoon.

    High: 47 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 37. South wind around 10 mph.

    Low: 37 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Rain after noon.  High near 56. South wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%.

    High: 56 °F

    Mostly Cloudy
    then Rain

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm before 9pm, then rain between 9pm and midnight, then a chance of rain and thunderstorms after midnight.  Low around 45. South southeast wind around 15 mph becoming west southwest after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 90%.

    Low: 45 °F

    Rain then
    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain, mainly before noon.  Mostly cloudy, with a high near 50.

    High: 50 °F

    Chance Rain

  • Friday Night

    Friday Night: A 50 percent chance of rain after midnight.  Cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: Rain likely before noon, then a chance of rain and snow.  Mostly cloudy, with a high near 40.

    High: 40 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Saturday Night

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

    Low: 22 °F

    Chance Snow

Detailed Forecast

Overnight
Patchy fog. Otherwise, cloudy, with a low around 34. West wind around 5 mph.
Wednesday
Areas of dense fog before noon. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 47. West wind 5 to 10 mph becoming south in the afternoon.
Wednesday Night
Increasing clouds, with a low around 37. South wind around 10 mph.
Thursday
Rain after noon. High near 56. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Thursday Night
Rain and possibly a thunderstorm before 9pm, then rain between 9pm and midnight, then a chance of rain and thunderstorms after midnight. Low around 45. South southeast wind around 15 mph becoming west southwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Friday
A 30 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 50.
Friday Night
A 50 percent chance of rain after midnight. Cloudy, with a low around 36.
Saturday
Rain likely before noon, then a chance of rain and snow. Mostly cloudy, with a high near 40.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 30.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 38.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
Chicago/Romeoville, Lewis University Airport IL
 41.61°N 88.1°W
2:56 am CST Jan 7, 2026
3am CST Jan 7, 2026-6pm CST Jan 13, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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