Hazardous Weather Outlook for North Shore, Illinois
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
434 AM CST Tue Jan 20 2026
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-211045-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
434 AM CST Tue Jan 20 2026 /534 AM EST Tue Jan 20 2026/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Excessive Cold Risk in the Morning.
Elevated Snow Risk Tonight.
DISCUSSION...
Wind chills of 10 below to 15 below zero will continue through
mid morning.
Accumulating snow may lead to hazardous travel late this evening
through tonight, especially for areas along and north of
Interstate 80.
Extensive ice cover on area rivers may cause localized ice jam
flooding.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Wednesday Morning...
Limited Snow Risk.
Wednesday Night...
Limited Snow Risk.
Limited Non-Thunderstorm Wind Risk.
Thursday night through Saturday...
Elevated Excessive Cold Risk.
Sunday and Monday...
Limited Excessive Cold Risk.
DISCUSSION...
Hazardous travel conditions may continue for part of the
Wednesday morning commute due to snow covered roads.
Gusty snow showers may result in hazardous travel conditions
Wednesday evening. Strong west winds to 35 mph may lead to patchy
blowing snow through Wednesday night.
Bitterly cold temperatures are expected Thursday night through
early next week.
Extensive ice cover on area rivers may cause localized ice jam
flooding.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
Winter Weather Advisory for North Shore, Illinois
URGENT - WINTER WEATHER MESSAGE
National Weather Service Chicago IL
400 AM CST Tue Jan 20 2026
ILZ003>006-202000-
/O.NEW.KLOT.WW.Y.0004.260121T0200Z-260121T1200Z/
Winnebago-Boone-McHenry-Lake IL-
Including the cities of Buffalo Grove, Mundelein, Crystal Lake,
Rockford, Belvidere, McHenry, Gurnee, Waukegan, Woodstock, and
Algonquin
400 AM CST Tue Jan 20 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 6 AM
CST WEDNESDAY...
* WHAT...Snow expected. Total snow accumulations between 2 and 5
inches, highest near the Wisconsin-Illinois state line.
* WHERE...Winnebago, Boone, McHenry, and Lake IL Counties.
* WHEN...From 8 PM this evening to 6 AM CST Wednesday.
* IMPACTS...Be prepared for hazardous travel due to snow covered
roads. The slippery conditions may also impact part of the
Wednesday morning commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for Illinois can be obtained at
www.gettingaroundillinois.com.