Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
620 AM CST Sun Dec 7 2025
WIZ064>066-070>072-071400-
/O.CON.KMKX.WW.Y.0010.000000T0000Z-251207T1400Z/
Jefferson-Waukesha-Milwaukee-Walworth-Racine-Kenosha-
Including the cities of Elkhorn, Kenosha, Lake Geneva, Watertown,
Menomonee Falls, Muskego, Whitewater, Fort Atkinson, Jefferson,
New Berlin, Brookfield, Delavan, East Troy, Milwaukee, Waukesha,
and Racine
620 AM CST Sun Dec 7 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM CST THIS
MORNING...
* WHAT...Snow. Additional snow accumulations up to a half inch.
* WHERE...A portion of southeast Wisconsin.
* WHEN...Until 8 AM CST this morning.
* IMPACTS...Plan on slippery road conditions.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
KUROSKI
URGENT - WINTER WEATHER MESSAGE
National Weather Service Chicago IL
559 AM CST Sun Dec 7 2025
ILZ003-004-008-010-011-019-071400-
/O.EXT.KLOT.WW.Y.0010.000000T0000Z-251207T1400Z/
Winnebago-Boone-Ogle-Lee-De Kalb-La Salle-
Including the cities of Byron, Rochelle, Streator, Rockford,
DeKalb, Mendota, Belvidere, Oregon, Marseilles, Ottawa, Dixon, La
Salle, and Sycamore
559 AM CST Sun Dec 7 2025
...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 8 AM CST THIS
MORNING...
* WHAT...Lingering snow and hazardous travel conditions on snow
covered roads.
* WHERE...Boone, De Kalb, La Salle, Lee, Ogle, and Winnebago
Counties.
* WHEN...Until 8 AM CST this morning.
* IMPACTS...Plan on hazardous travel conditions where roads are snow
covered.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for Illinois can be obtained at
www.gettingaroundillinois.com.
&&
$$
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.
&&
$$
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
357 AM CST Sun Dec 7 2025
LMZ740>742-071800-
/O.CON.KLOT.SC.Y.0109.251207T1400Z-251208T1500Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
357 AM CST Sun Dec 7 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING
TO 9 AM CST MONDAY...
* WHAT...North winds to 25 kt and significant waves to 7 ft
occasionally to 9 ft expected.
* WHERE...Winthrop Harbor to Calumet Harbor, IL.
* WHEN...From 8 AM this morning to 9 AM CST Monday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
205 AM CST Sun Dec 7 2025
LMZ644-071615-
/O.CON.KMKX.SC.Y.0107.251207T1400Z-251208T0300Z/
Port Washington to North Point Light WI-
205 AM CST Sun Dec 7 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING
TO 9 PM CST THIS EVENING...
* WHAT...North winds 10 to 20 kt with gusts up to 25 kt expected.
Waves of 3 to 5 feet.
* WHERE...Nearshore Waters from Port Washington to North Point
Lighthouse.
* WHEN...From 8 AM this morning to 9 PM CST this evening.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
205 AM CST Sun Dec 7 2025
LMZ645-646-071615-
/O.CON.KMKX.SC.Y.0107.251207T1400Z-251208T0900Z/
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
205 AM CST Sun Dec 7 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING
TO 3 AM CST MONDAY...
* WHAT...North winds 10 to 20 kt with gusts up to 25 kt expected.
Waves of 3 to 5 feet.
* WHERE...Nearshore Waters from North Point Lighthouse to
Winthrop Harbor IL.
* WHEN...From 8 AM this morning to 3 AM CST Monday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Hazardous Weather Outlook
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.
$$
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
417 AM CST Sun Dec 7 2025
LMZ740>745-081030-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
417 AM CST Sun Dec 7 2025
This Hazardous Weather Outlook is for portions of the Illinois
nearshore waters of Lake Michigan and the Indiana nearshore
waters of Lake Michigan.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Hazardous conditions for small craft.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Monday through Saturday...
Hazardous conditions for small craft are likely.
$$
Petr/Ogorek
Visit us at www.weather.gov/chicago
Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
325 AM CST Sun Dec 7 2025
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-080930-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
325 AM CST Sun Dec 7 2025
This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.
.DAY ONE...TODAY AND TONIGHT
Snow will quickly come to an end this morning. Snow covered could
still be slippery this morning. Gusty north winds may lead to
some blowing drifting snow today in open areas.
.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY
There is a chance for snow Wednesday night into Thursday. At this
time, snowfall amounts look to be light.
.SPOTTER INFORMATION STATEMENT...
Storm total snowfall and freezing rain reports would be
appreciated.
$$
DC
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
259 AM CST Sun Dec 7 2025
LMZ643>646-080900-
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
259 AM CST Sun Dec 7 2025
This Hazardous Weather Outlook is for the nearshore waters from
Sheboygan Wisconsin to Winthrop Harbor Illinois.
.DAY ONE...Today and Tonight
A Small Craft Advisory is in effect for the nearshore waters
south of Port Washington this morning through later tonight.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
A Small Craft Advisory will likely be needed for all of the
nearshore waters Monday night into Wednesday night, with a few
gale force gusts also possible.
Winds may reach Small Craft Advisory levels again Thursday night
through Saturday.
$$
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
259 AM CST Sun Dec 7 2025
WIZ046-047-051-052-056>060-062>072-080900-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
259 AM CST Sun Dec 7 2025
This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin and southeast Wisconsin.
.DAY ONE...Today and Tonight
A Winter Weather Advisory remains in effect into this morning for
portions of southern Wisconsin. Accumulating snow will wind
northwest to southeast early to mid-morning. Roads will be snow
covered and slippery this morning.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
Additional rounds of snowfall will be possible Monday night into
Tuesday and Tuesday night into Wednesday, though this second
system may see rain mix in. Any rain that falls could initially
cause slick spots on roads given cold road temperatures.
Additional rounds of snowfall are then possible through the end of
the work week, but confidence in timing is much lower.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Green Bay WI
200 AM CST Sun Dec 7 2025
WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-080800-
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano-
Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago-
Calumet-Manitowoc-Southern Marinette County-
Southern Oconto County-
200 AM CST Sun Dec 7 2025
This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.
.DAY ONE...Today and Tonight
Untreated roads, bridges and sidewalks across central and east-
central WI will be slippery this morning from the light snowfall
last night.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
Hazardous travel due to snow is likely Monday night into Tuesday
morning, where 1 to 3 inches of snow is anticipated north of a
Wausau to Green Bay to Manitowoc line, with lower amounts to the
south.
A potent clipper system is likely to bring an impactful snowfall
and hazardous travel conditions to the area later Tuesday
afternoon into Wednesday morning. There is still some uncertainty
in the exact snowfall totals, but a band of heavier snow is
anticipated across portions of Wisconsin.
.SPOTTER INFORMATION STATEMENT...
Spotters are requested to forward snowfall measurements to the
National Weather Service in Green Bay for the event last night,
and for the upcoming events later this week.
$$
