Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
417 AM CST Sun Dec 7 2025

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-081030-
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-
417 AM CST Sun Dec 7 2025 /517 AM EST Sun Dec 7 2025/

This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.

.DAY ONE...Today and Tonight.

Weather hazards expected...

  Elevated Snow Risk this morning, mainly along and north of I-80.
  Limited Ice Accumulation Risk this morning south of I-80.

DISCUSSION...

Accumulating snow will lead to hazardous travel conditions this
morning, especially in areas along and north of I-80. Patchy
freezing rain/drizzle may also be observed in some locations
south of I-80 this morning leading to localized slick spots.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Wednesday through Friday...
  Limited Snow Risk.
Friday and Saturday...
  Elevated Excessive Cold Risk.

DISCUSSION...

Periodic snow chances continue through the end of the work week
followed by bitterly cold conditions late Friday into Saturday.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Chicago IL
559 AM CST Sun Dec 7 2025

ILZ005-006-012-013-020-103>106-071500-
/O.CON.KLOT.WW.Y.0010.000000T0000Z-251207T1500Z/
McHenry-Lake IL-Kane-DuPage-Kendall-Northern Cook-Central Cook-
Southern Cook-Northern Will-
Including the cities of Park Forest, Woodstock, Mokena, Palatine,
Chicago, Oak Lawn, Oak Park, McHenry, Cicero, Wheaton, Gurnee,
Lemont, La Grange, Lombard, Mundelein, Elgin, Des Plaines, Carol
Stream, Yorkville, Joliet, Downers Grove, Schaumburg, Calumet
City, Northbrook, Buffalo Grove, Orland Park, Plano, Waukegan,
Algonquin, Bolingbrook, Naperville, Plainfield, Oak Forest,
Evanston, Crystal Lake, Oswego, and Aurora
559 AM CST Sun Dec 7 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING...

* WHAT...Snow. Total snow accumulations ranging from 2 to 6 inches.
  The highest amounts are expected near and north of I-88.

* WHERE...Cook, DuPage, Kane, Kendall, Lake (IL), McHenry, and
  northern Will counties.

* WHEN...Until 9 AM CST this morning.

* IMPACTS...Plan on hazardous travel conditions where roads are snow
  covered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road
conditions for Illinois can be obtained at
www.gettingaroundillinois.com.

&&

$$

Hazard Report Provided By forecast.weather.gov