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- Spring Flood Outlook: Below average to near average flood risk for area river basins
Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Light Snow Fog/Mist
26°F
-3°C
| Humidity | 92% |
| Wind Speed | NW 12 G 24 mph |
| Barometer | 29.30 in (993.4 mb) |
| Dewpoint | 24°F (-4°C) |
| Visibility | 1.00 mi |
| Wind Chill | 15°F (-9°C) |
| Last update | 16 Mar 3:51 am CDT |
Extended Forecast for
Grayslake IL
Winter Weather Advisory March 16, 03:56am until March 16, 01:00pm
NOW until 1:00pm Mon

Winter Weather Advisory
Overnight

Low: 21 °F
Snow/Sleet
and Areas
Blowing SnowMonday

High: 23 °F
Snow and
Areas Blowing
SnowMonday Night
Low: 7 °F
Slight Chance
Snow and
Patchy
Blowing SnowTuesday

High: 23 °F
Mostly Sunny
Tuesday Night
Low: 18 °F
Chance Snow
then Snow
LikelyWednesday

High: 41 °F
Mostly Cloudy
Wednesday Night
Low: 31 °F
Mostly Cloudy
then Slight
Chance RainThursday

High: 49 °F
Mostly Sunny
Detailed Forecast
Overnight
Snow, possibly mixed with sleet, becoming all snow after 4am. Areas of blowing snow. Low around 21. Blustery, with a northwest wind around 25 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. Total nighttime snow and sleet accumulation of 1 to 3 inches possible.
Monday
Snow, mainly before 1pm. Areas of blowing snow. High near 23. Blustery, with a northwest wind around 25 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Monday Night
A 20 percent chance of snow before 10pm. Patchy blowing snow before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 7. Wind chill values as low as -5. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 23. Wind chill values as low as -7. West northwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Snow likely, mainly after 1am. Cloudy, with a low around 18. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Wednesday
Mostly cloudy, with a high near 41.
Wednesday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 49.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Mostly cloudy, with a high near 54.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 51.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Grayslake IL
42.35°N 88.02°W
42.35°N 88.02°W
1:51 am CDT Mar 16, 2026
3am CDT Mar 16, 2026-6pm CDT Mar 22, 2026



