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Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

28°F

-2°C

Humidity 69%
Wind Speed Calm
Barometer 29.96 in (1016.1 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 6 Dec 7:51 pm CST
Extended Forecast for

3 Miles NW Old Mill Creek 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 11pm. Low around 22. East northeast wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.

    Low: 22 °F

    Snow Likely
    then Snow

  • Sunday

    Sunday: A 50 percent chance of snow before 9am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 14 by 5pm. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 23 °F⇓

    Chance Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow. Mostly cloudy, with a steady temperature around 12. Wind chill values as low as zero. North wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 12 °F

    Slight Chance
    Snow

  • Monday

    Monday: Partly sunny, with a high near 24. Northwest wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 15 mph.

    High: 24 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 15. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 15 °F

    Chance Snow

  • Tuesday

    Tuesday: A slight chance of snow before noon, then a slight chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 20%.

    High: 37 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow. Low around 33. Chance of precipitation is 90%.

    Low: 33 °F

    Rain/Snow

  • Wednesday

    Wednesday: A chance of snow. Mostly cloudy, with a high near 36.

    High: 36 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow

Detailed Forecast

Tonight
Snow, mainly after 11pm. Low around 22. East northeast wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.
Sunday
A 50 percent chance of snow before 9am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 14 by 5pm. North wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a steady temperature around 12. Wind chill values as low as zero. North wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Partly sunny, with a high near 24. Northwest wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 15 mph.
Monday Night
A 40 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 15. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
A slight chance of snow before noon, then a slight chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 20%.
Tuesday Night
Rain, possibly mixed with snow. Low around 33. Chance of precipitation is 90%.
Wednesday
A chance of snow. Mostly cloudy, with a high near 36.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 14.
Thursday
A chance of snow. Mostly cloudy, with a high near 26.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 8.
Friday
Partly sunny, with a high near 17.
Friday Night
A chance of snow. Mostly cloudy, with a low around 1.
Saturday
Partly sunny, with a high near 13.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Old Mill Creek IL
 42.46°N 88.02°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

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