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

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

-8°C

18°F

Humidity 59%
Wind Speed NW 13 km/h
Barometer 1026.0 mb (30.25 in)
Dewpoint -14°C (6°F)
Visibility 16 km
Wind Chill-13°C (8°F)
Last update 7 Dec 4:51 pm CST
Extended Forecast for

Lake Bluff IL

  • Tonight

    Tonight: Scattered snow showers, mainly before 1am. Cloudy, with a low around -9. North wind 10 to 15 km/h becoming southeast after midnight. Winds could gust as high as 25 km/h. Chance of precipitation is 50%.

    Low: -9 °C

    Scattered
    Snow Showers

  • Monday

    Monday: Mostly cloudy, with a high near -4. South southeast wind 10 to 15 km/h, with gusts as high as 25 km/h.

    High: -4 °C

    Mostly Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a temperature falling to near -7 by 8pm, then rising to around -3 during the remainder of the night. South southwest wind 15 to 20 km/h increasing to 20 to 25 km/h after midnight. Winds could gust as high as 40 km/h.

    Low: -7 °C⇑

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: A slight chance of rain and snow between noon and 3pm, then a slight chance of rain after 3pm. Cloudy, with a high near 2. Southwest wind 20 to 25 km/h, with gusts as high as 40 km/h. Chance of precipitation is 20%.

    High: 2 °C

    Cloudy then
    Slight Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow, becoming all rain after midnight. Low around 1. South southwest wind 20 to 25 km/h increasing to 25 to 30 km/h after midnight. Winds could gust as high as 50 km/h. Chance of precipitation is 90%.

    Low: 1 °C

    Rain/Snow
    then Rain
    Likely

  • Wednesday

    Wednesday: A chance of rain and snow before noon, then a slight chance of snow. Mostly cloudy, with a high near 2. Breezy. Chance of precipitation is 50%.

    High: 2 °C

    Chance
    Rain/Snow and
    Breezy then
    Slight Chance
    Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow. Mostly cloudy, with a low around -8.

    Low: -8 °C

    Slight Chance
    Snow

  • Thursday

    Thursday: A chance of snow. Partly sunny, with a high near -4.

    High: -4 °C

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around -12.

    Low: -12 °C

    Chance Snow

Detailed Forecast

Tonight
Scattered snow showers, mainly before 1am. Cloudy, with a low around -9. North wind 10 to 15 km/h becoming southeast after midnight. Winds could gust as high as 25 km/h. Chance of precipitation is 50%.
Monday
Mostly cloudy, with a high near -4. South southeast wind 10 to 15 km/h, with gusts as high as 25 km/h.
Monday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a temperature falling to near -7 by 8pm, then rising to around -3 during the remainder of the night. South southwest wind 15 to 20 km/h increasing to 20 to 25 km/h after midnight. Winds could gust as high as 40 km/h.
Tuesday
A slight chance of rain and snow between noon and 3pm, then a slight chance of rain after 3pm. Cloudy, with a high near 2. Southwest wind 20 to 25 km/h, with gusts as high as 40 km/h. Chance of precipitation is 20%.
Tuesday Night
Rain, possibly mixed with snow, becoming all rain after midnight. Low around 1. South southwest wind 20 to 25 km/h increasing to 25 to 30 km/h after midnight. Winds could gust as high as 50 km/h. Chance of precipitation is 90%.
Wednesday
A chance of rain and snow before noon, then a slight chance of snow. Mostly cloudy, with a high near 2. Breezy. Chance of precipitation is 50%.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -8.
Thursday
A chance of snow. Partly sunny, with a high near -4.
Thursday Night
A chance of snow. Mostly cloudy, with a low around -12.
Friday
A chance of snow. Mostly cloudy, with a high near -7.
Friday Night
A chance of snow. Mostly cloudy, with a low around -16.
Saturday
Partly sunny, with a high near -11.
Saturday Night
Mostly cloudy, with a low around -16.
Sunday
Partly sunny, with a high near -9.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lake Bluff IL
 42.28°N 87.85°W
Last Update:
5:17 pm CST Dec 7, 2025
Forecast Valid:
5pm CST Dec 7, 2025-6pm CST Dec 14, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation