McHenry County Weather: 2025

Saturday, December 6, 2025

Winter Weather Advisory for McHenry Co., IL until 9:00 AM CST 12/7

C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX

WWUS43 KLOT 060834  WSWLOT    URGENT - WINTER WEATHER MESSAGE  National Weather Service Chicago IL  234 AM CST Sat Dec 6 2025        /O.NEW.KLOT.WW.Y.0010.251207T0600Z-251207T1500Z/  McHenry-Lake IL-Kane-DuPage-Kendall-Northern Cook-Central Cook-  Southern Cook-Northern Will-  Including the cities of Plano, Palatine, Oak Lawn, Plainfield,  Bolingbrook, Gurnee, Naperville, Orland Park, Carol Stream,  Chicago, Elgin, McHenry, Crystal Lake, Calumet City, Oak Forest,  Waukegan, Algonquin, Buffalo Grove, Park Forest, Cicero, Oak  Park, Lemont, Mokena, Joliet, Wheaton, Oswego, Northbrook,  Aurora, La Grange, Downers Grove, Schaumburg, Mundelein,  Evanston, Des Plaines, Yorkville, Lombard, and Woodstock  234 AM CST Sat Dec 6 2025    ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM   CST SUNDAY...    * WHAT...Snow expected. Total snow accumulations between 2 and 5     inches.    * WHERE...Cook, DuPage, Kane, Kendall, Lake (IL), McHenry, and     northern Will counties.    * WHEN...From midnight tonight to 9 AM CST Sunday.    * IMPACTS...Plan on slippery road conditions.    PRECAUTIONARY/PREPAREDNESS ACTIONS...    Slow down and use caution while traveling. The latest road   conditions for Illinois can be obtained at   www.gettingaroundillinois.com.    &amp;&amp;

https://p.wxn.io/p8ts1

Source: nwws

Tuesday, December 2, 2025

Winter Weather Advisory Expiration for McHenry Co., IL

C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX

WWUS43 KLOT 020605  WSWLOT    URGENT - WINTER WEATHER MESSAGE  National Weather Service Chicago IL  1205 AM CST Tue Dec 2 2025      /O.EXP.KLOT.WW.Y.0009.000000T0000Z-251202T0600Z/  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-  Including the cities of Calumet City, Evanston, Sycamore,  Algonquin, Oregon, Aurora, Naperville, Streator, Marseilles,  Downers Grove, Carol Stream, Oswego, Rockford, Morris, Belvidere,  Dwight, Oak Lawn, Oak Forest, Wilmington, Rochelle, Fairbury,  Cicero, Plainfield, Mundelein, Bourbonnais, Des Plaines, La  Salle, McHenry, Kankakee, Joliet, Beecher, Peotone, Manhattan,  Oak Park, Yorkville, Channahon, Waukegan, Byron, Wheaton,  Bolingbrook, La Grange, Gibson City, Watseka, Orland Park,  Mendota, Dixon, Crete, Palatine, Woodstock, Crystal Lake, Coal  City, Minooka, Gilman, Buffalo Grove, Chicago, Gurnee, Ottawa,  Lemont, Lombard, Park Forest, Mokena, DeKalb, Elgin, Bradley,  Plano, Northbrook, Pontiac, Paxton, and Schaumburg  1205 AM CST Tue Dec 2 2025    ...WINTER WEATHER ADVISORY HAS EXPIRED...    Light snow will end early this morning across northern Illinois.   Untreated surfaces may remain snow covered and slippery.

https://p.wxn.io/ghpnu

Source: nwws

Monday, December 1, 2025

Winter Weather Advisory for McHenry Co., IL until 12:00 AM CST 12/2

C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX

WWUS43 KLOT 020236  WSWLOT    URGENT - WINTER WEATHER MESSAGE  National Weather Service Chicago IL  836 PM CST Mon Dec 1 2025      /O.CON.KLOT.WW.Y.0009.000000T0000Z-251202T0600Z/  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-  Including the cities of Manhattan, Cicero, Plano, Schaumburg,  Belvidere, Lemont, DeKalb, Northbrook, Crystal Lake, Calumet  City, Chicago, Byron, Bourbonnais, Plainfield, Carol Stream,  Wheaton, Oak Park, Fairbury, Bolingbrook, Gibson City, Rockford,  Oak Lawn, La Salle, Yorkville, Park Forest, Aurora, Lombard,  Ottawa, Waukegan, Marseilles, Oswego, Mokena, Mendota, Peotone,  Gilman, Naperville, Bradley, Morris, Beecher, Wilmington, Downers  Grove, Dixon, Sycamore, Coal City, Orland Park, La Grange,  Paxton, Rochelle, Channahon, Pontiac, Gurnee, Watseka, Crete,  McHenry, Streator, Algonquin, Woodstock, Elgin, Kankakee,  Evanston, Buffalo Grove, Palatine, Dwight, Joliet, Des Plaines,  Oregon, Minooka, Oak Forest, and Mundelein  836 PM CST Mon Dec 1 2025    ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST   TONIGHT...    * WHAT...Snow and winter driving conditions occurring. Total snow     accumulations between 1 and 4 inches, highest south of the     Kankakee River Valley.    * WHERE...Portions of central, east central, north central, and     northeast Illinois.    * WHEN...Until midnight CST tonight.    * IMPACTS...Plan on slippery road conditions.    PRECAUTIONARY/PREPAREDNESS ACTIONS...    Slow down and use caution while traveling. The latest road   conditions for Illinois can be obtained at   www.gettingaroundillinois.com.    &amp;&amp;

https://p.wxn.io/z0ao5

Source: nwws

Winter Weather Advisory for McHenry Co., IL until 12:00 AM CST 12/2

C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX

WWUS43 KLOT 012031  WSWLOT    URGENT - WINTER WEATHER MESSAGE  National Weather Service Chicago IL  231 PM CST Mon Dec 1 2025      /O.CON.KLOT.WW.Y.0009.000000T0000Z-251202T0600Z/  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-  Including the cities of Plainfield, DeKalb, La Grange, Elgin,  Schaumburg, Naperville, Minooka, Buffalo Grove, Pontiac, Oswego,  Gibson City, Woodstock, Crystal Lake, Channahon, Rockford, Byron,  Cicero, Lemont, Carol Stream, Dwight, Paxton, Fairbury, Watseka,  Rochelle, Sycamore, Wheaton, Downers Grove, Coal City, Yorkville,  Palatine, Streator, Bradley, Bolingbrook, Mokena, Wilmington,  Crete, McHenry, Lombard, Waukegan, Peotone, La Salle, Beecher,  Dixon, Oak Lawn, Park Forest, Algonquin, Belvidere, Ottawa,  Marseilles, Oregon, Kankakee, Calumet City, Oak Forest,  Manhattan, Bourbonnais, Evanston, Mendota, Northbrook, Mundelein,  Plano, Des Plaines, Joliet, Orland Park, Gilman, Gurnee, Aurora,  Chicago, Oak Park, and Morris  231 PM CST Mon Dec 1 2025    ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST   TONIGHT...    * WHAT...Snow and winter driving conditions occurring. Total snow     accumulations between 1 and 4 inches, highest south of the     Kankakee River Valley.    * WHERE...Portions of central, east central, north central, and     northeast Illinois.    * WHEN...Until midnight CST tonight.    * IMPACTS...Plan on slippery road conditions. The hazardous     conditions will impact the evening commute today.    PRECAUTIONARY/PREPAREDNESS ACTIONS...    Slow down and use caution while traveling. The latest road   conditions for Illinois can be obtained at   www.gettingaroundillinois.com.    &amp;&amp;

https://p.wxn.io/twwr9

Source: nwws

Winter Weather Advisory for McHenry Co., IL until 12:00 AM CST 12/2

C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX

WWUS43 KLOT 011703  WSWLOT    URGENT - WINTER WEATHER MESSAGE  National Weather Service Chicago IL  1103 AM CST Mon Dec 1 2025      /O.CON.KLOT.WW.Y.0009.251201T2000Z-251202T0600Z/  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-  Including the cities of Plainfield, DeKalb, La Grange, Elgin,  Schaumburg, Naperville, Minooka, Buffalo Grove, Pontiac, Oswego,  Gibson City, Woodstock, Crystal Lake, Channahon, Rockford, Byron,  Cicero, Lemont, Carol Stream, Dwight, Paxton, Fairbury, Watseka,  Rochelle, Sycamore, Wheaton, Downers Grove, Coal City, Yorkville,  Palatine, Streator, Bradley, Bolingbrook, Mokena, Wilmington,  Crete, McHenry, Lombard, Waukegan, Peotone, La Salle, Beecher,  Dixon, Oak Lawn, Park Forest, Algonquin, Belvidere, Ottawa,  Marseilles, Oregon, Kankakee, Calumet City, Oak Forest,  Manhattan, Bourbonnais, Evanston, Mendota, Northbrook, Mundelein,  Plano, Des Plaines, Joliet, Orland Park, Gilman, Gurnee, Aurora,  Chicago, Oak Park, and Morris  1103 AM CST Mon Dec 1 2025    ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM THIS   AFTERNOON TO MIDNIGHT CST TONIGHT...    * WHAT...Snow and winter driving conditions expected. Total snow     accumulations between 1 and 4 inches, with the highest amounts     generally near and south of the Kankakee River.    * WHERE...Portions of central, east central, north central, and     northeast Illinois.    * WHEN...From 2 PM this afternoon to midnight CST tonight.    * IMPACTS...Plan on slippery road conditions. The hazardous     conditions will likely impact the evening commute today.    PRECAUTIONARY/PREPAREDNESS ACTIONS...    Slow down and use caution while traveling. The latest road   conditions for Illinois can be obtained at   www.gettingaroundillinois.com.    &amp;&amp;

https://p.wxn.io/jvtzm

Source: nwws

Winter Weather Advisory for McHenry Co., IL until 12:00 AM CST 12/2

C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX

WWUS43 KLOT 010754  WSWLOT    URGENT - WINTER WEATHER MESSAGE  National Weather Service Chicago IL  154 AM CST Mon Dec 1 2025      /O.NEW.KLOT.WW.Y.0009.251201T2000Z-251202T0600Z/  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-  Including the cities of Pontiac, Paxton, Bradley, La Grange,  Elgin, Marseilles, Oswego, Dixon, Watseka, Channahon, Dwight,  Peotone, Rockford, Streator, Buffalo Grove, Fairbury, Carol  Stream, Cicero, Joliet, Rochelle, La Salle, Orland Park, Gurnee,  Gilman, Mendota, Algonquin, Gibson City, Calumet City, Downers  Grove, Oregon, Lombard, Park Forest, Chicago, Bourbonnais,  Waukegan, Mundelein, Coal City, Bolingbrook, Palatine, Crete, Des  Plaines, Oak Forest, Wheaton, Schaumburg, Crystal Lake, Ottawa,  Beecher, Byron, Plano, Mokena, Lemont, Manhattan, Aurora,  Kankakee, Morris, Oak Lawn, Plainfield, Yorkville, DeKalb,  Woodstock, Belvidere, Naperville, Northbrook, Sycamore, McHenry,  Wilmington, Oak Park, Evanston, and Minooka  154 AM CST Mon Dec 1 2025    ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO   MIDNIGHT CST TONIGHT...    * WHAT...Snow expected. Total snow accumulations between 2 and 4     inches with locally higher amounts possible south of Interstate 80.    * WHERE...Portions of central, east central, north central, and     northeast Illinois.    * WHEN...From 2 PM this afternoon to midnight CST tonight.    * IMPACTS...Plan on slippery road conditions. The hazardous     conditions could impact the Monday evening commute.    PRECAUTIONARY/PREPAREDNESS ACTIONS...    Slow down and use caution while traveling. The latest road   conditions for Illinois can be obtained at   www.gettingaroundillinois.com.    &amp;&amp;

https://p.wxn.io/byfjd

Source: nwws

Sunday, November 30, 2025

Winter Weather Advisory Expiration for McHenry Co., IL

C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX

WWUS43 KLOT 301743  WSWLOT    URGENT - WINTER WEATHER MESSAGE  National Weather Service Chicago IL  1143 AM CST Sun Nov 30 2025      /O.EXP.KLOT.WW.Y.0008.000000T0000Z-251130T1800Z/  Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-  Kendall-Northern Cook-Central Cook-Southern Cook-Northern Will-  Eastern Will-Lake IN-Porter-  Including the cities of Palatine, Byron, Merrillville, Peotone,  Rochelle, Woodstock, Oregon, Gurnee, Algonquin, Buffalo Grove,  Valparaiso, Oswego, Oak Forest, Dixon, Bolingbrook, Crete, Des  Plaines, Carol Stream, Mokena, Schaumburg, Plano, Aurora, Oak  Park, McHenry, Yorkville, Beecher, Rockford, Mundelein, Lombard,  Oak Lawn, Portage, Orland Park, Gary, Evanston, Chicago,  Plainfield, DeKalb, Crystal Lake, Elgin, Cicero, Sycamore,  Lemont, Hammond, Northbrook, La Grange, Chesterton, Belvidere,  Naperville, Joliet, Downers Grove, Wheaton, Calumet City, Park  Forest, and Waukegan  1143 AM CST Sun Nov 30 2025    ...WINTER WEATHER ADVISORY WILL EXPIRE AT NOON CST TODAY...    While some pockets of blowing snow may persist in rural and open   areas, the threat for hazardous conditions is ending. The Winter   Weather Advisory will expire at Noon CST.

https://p.wxn.io/q33fp

Source: nwws

Winter Storm Warning Cancellation for McHenry Co., IL, Winter Weather Advisory for McHenry Co., IL until 12:00 PM CST 11/30

C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX

WWUS43 KLOT 300751  WSWLOT    URGENT - WINTER WEATHER MESSAGE  National Weather Service Chicago IL  151 AM CST Sun Nov 30 2025      /O.CAN.KLOT.WS.W.0002.000000T0000Z-251130T1200Z/  /O.NEW.KLOT.WW.Y.0008.251130T0751Z-251130T1800Z/  Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-  Kendall-Northern Cook-Central Cook-Southern Cook-Northern Will-  Eastern Will-Lake IN-Porter-  Including the cities of Evanston, Merrillville, Valparaiso,  Gurnee, Oak Forest, Waukegan, Northbrook, Elgin, Oak Lawn, Oak  Park, Palatine, Peotone, Aurora, Schaumburg, Chesterton, Buffalo  Grove, Rochelle, Lombard, Des Plaines, Park Forest, Joliet,  Lemont, Algonquin, Calumet City, DeKalb, Downers Grove, Wheaton,  Plano, Dixon, Oregon, Crete, Yorkville, Byron, Hammond, Rockford,  Orland Park, Naperville, Gary, McHenry, Chicago, Bolingbrook,  Crystal Lake, Mundelein, Cicero, La Grange, Oswego, Beecher,  Portage, Plainfield, Mokena, Carol Stream, Belvidere, Woodstock,  and Sycamore  151 AM CST Sun Nov 30 2025    ...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON CST TODAY...  ...WINTER STORM WARNING IS CANCELLED...    * WHAT...Snow and patchy blowing snow. Additional snow accumulations     up to one inch. Winds gusting as high as 35 mph.    * WHERE...Portions of north central and northeast Illinois and     northwest Indiana.    * WHEN...Until noon CST today.    * IMPACTS...Plan on slippery road conditions. Areas of blowing snow     could significantly reduce visibility.    PRECAUTIONARY/PREPAREDNESS ACTIONS...    Slow down and use caution while traveling. The latest road   conditions for Illinois can be obtained at   www.gettingaroundillinois.com. The latest road conditions for   Indiana can be obtained at https://511in.org.    &amp;&amp;

https://p.wxn.io/440hc

Source: nwws

Saturday, November 29, 2025

Winter Storm Warning for McHenry Co., IL until 6:00 AM CST 11/30

C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX

WWUS43 KLOT 300341  WSWLOT    URGENT - WINTER WEATHER MESSAGE  National Weather Service Chicago IL  941 PM CST Sat Nov 29 2025        /O.CON.KLOT.WS.W.0002.000000T0000Z-251130T1200Z/  Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-La  Salle-Kendall-Grundy-Kankakee-Northern Cook-Central Cook-Southern  Cook-Northern Will-Southern Will-Eastern Will-Lake IN-Porter-  Including the cities of Marseilles, Des Plaines, Buffalo Grove,  Oak Forest, Chesterton, Aurora, Minooka, Chicago, Channahon,  Waukegan, Joliet, Calumet City, Manhattan, Oregon, Palatine,  Hammond, Woodstock, Crystal Lake, Sycamore, Wilmington, La Salle,  Elgin, Dixon, Streator, Coal City, La Grange, Orland Park, Carol  Stream, Crete, Gary, Valparaiso, Bolingbrook, Wheaton, Lemont,  Rockford, Northbrook, Algonquin, Mundelein, Yorkville, Oswego,  Mokena, Oak Lawn, Naperville, Merrillville, DeKalb, Beecher,  Portage, Peotone, Ottawa, Schaumburg, Gurnee, Lombard, Cicero,  Oak Park, Park Forest, Plainfield, Morris, Kankakee, Downers  Grove, Rochelle, Bourbonnais, Bradley, Belvidere, Mendota,  Evanston, McHenry, Plano, and Byron  941 PM CST Sat Nov 29 2025    ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY...    * WHAT...Continuing snowfall. Additional snow accumulations up to     three inches possible. Highest additional accumulations expected     near the Wisconsin state line. Winds gusting as high as 35 mph.    * WHERE...Portions of north central and northeast Illinois and     northwest Indiana.    * WHEN...Until 6 AM CST Sunday.    * IMPACTS...Roads, and especially bridges and overpasses, will be     slick and hazardous. Plan on slippery road conditions.    * ADDITIONAL DETAILS...Snowfall rates will ease late this evening     and overnight. Some blowing and drifting snow is possible tonight     into tomorrow in open areas.    PRECAUTIONARY/PREPAREDNESS ACTIONS...    If you must travel, keep an extra flashlight, food, and water in   your vehicle in case of an emergency. The latest road conditions for   Illinois can be obtained at www.gettingaroundillinois.com. The   latest road conditions for Indiana can be obtained at   https://511in.org.    &amp;&amp;

https://p.wxn.io/27cre

Source: nwws

Winter Storm Warning for McHenry Co., IL until 6:00 AM CST 11/30

C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX

WWUS43 KLOT 292101  WSWLOT    URGENT - WINTER WEATHER MESSAGE  National Weather Service Chicago IL  301 PM CST Sat Nov 29 2025      /O.CON.KLOT.WS.W.0002.000000T0000Z-251130T1200Z/  Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-La  Salle-Kendall-Grundy-Kankakee-Livingston-Northern Cook-Central  Cook-Southern Cook-Northern Will-Southern Will-Eastern Will-Lake  IN-Porter-  Including the cities of Gurnee, Dixon, Rockford, Mundelein,  Crystal Lake, Streator, Chicago, Minooka, Belvidere, Peotone,  Lombard, Wilmington, Beecher, Carol Stream, Merrillville,  Woodstock, Byron, La Grange, Downers Grove, Plainfield, Palatine,  Wheaton, Bradley, Channahon, Coal City, Hammond, Oak Lawn,  Morris, Oak Forest, Valparaiso, Pontiac, Plano, Oak Park,  Sycamore, Buffalo Grove, Dwight, La Salle, Mokena, Mendota,  Bolingbrook, Naperville, Oregon, Oswego, Northbrook, Calumet  City, Lemont, Evanston, Manhattan, Waukegan, Aurora, Algonquin,  Gary, Portage, Chesterton, McHenry, Rochelle, Elgin, Ottawa,  Fairbury, Des Plaines, DeKalb, Schaumburg, Orland Park, Park  Forest, Cicero, Marseilles, Joliet, Kankakee, Crete, Bourbonnais,  and Yorkville  301 PM CST Sat Nov 29 2025    ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY...    * WHAT...Heavy snow expected. Additional snow accumulations of 3 to     6 inches expected. Southeast winds gusting to 30 mph could lead to     pockets of blowing show.    * WHERE...Portions of central, north central, and northeast Illinois     and northwest Indiana.    * WHEN...Until 6 AM CST Sunday.    * IMPACTS...Plan on slippery road conditions.    * ADDITIONAL DETAILS...Snowfall rates will ease late this evening     and overnight.    PRECAUTIONARY/PREPAREDNESS ACTIONS...    If you must travel, keep an extra flashlight, food, and water in   your vehicle in case of an emergency. The latest road conditions for   Illinois can be obtained at www.gettingaroundillinois.com. The   latest road conditions for Indiana can be obtained at   https://511in.org.    Persons should delay all travel if possible. If travel is absolutely   necessary, drive with extreme caution and be prepared for sudden   changes in visibility. Leave plenty of room between you and the   motorist ahead of you, and allow extra time to reach your   destination. Avoid sudden braking or acceleration, and be especially   cautious on hills or when making turns. Make sure your car is   winterized and in good working order.    &amp;&amp;

https://p.wxn.io/oc032

Source: nwws

Winter Storm Warning for McHenry Co., IL until 6:00 AM CST 11/30

C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX

WWUS43 KLOT 291633  WSWLOT    URGENT - WINTER WEATHER MESSAGE  National Weather Service Chicago IL  1033 AM CST Sat Nov 29 2025      /O.CON.KLOT.WS.W.0002.000000T0000Z-251130T1200Z/  Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-La  Salle-Kendall-Grundy-Kankakee-Livingston-Northern Cook-Central  Cook-Southern Cook-Northern Will-Southern Will-Eastern Will-Lake  IN-Porter-  Including the cities of Gurnee, Dixon, Rockford, Mundelein,  Crystal Lake, Streator, Chicago, Minooka, Belvidere, Peotone,  Lombard, Wilmington, Beecher, Carol Stream, Merrillville,  Woodstock, Byron, La Grange, Downers Grove, Plainfield, Palatine,  Wheaton, Bradley, Channahon, Coal City, Hammond, Oak Lawn,  Morris, Oak Forest, Valparaiso, Pontiac, Plano, Oak Park,  Sycamore, Buffalo Grove, Dwight, La Salle, Mokena, Mendota,  Bolingbrook, Naperville, Oregon, Oswego, Northbrook, Calumet  City, Lemont, Evanston, Manhattan, Waukegan, Aurora, Algonquin,  Gary, Portage, Chesterton, McHenry, Rochelle, Elgin, Ottawa,  Fairbury, Des Plaines, DeKalb, Schaumburg, Orland Park, Park  Forest, Cicero, Marseilles, Joliet, Kankakee, Crete, Bourbonnais,  and Yorkville  1033 AM CST Sat Nov 29 2025    ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY...    * WHAT...Heavy snow expected. Total snow accumulations between 6 and     10 inches. Locally higher amounts possible northwest of an Ottawa     to Aurora to Waukegan line. Southeast winds gusting to 30 mph.    * WHERE...Portions of central, north central, and northeast Illinois     and northwest Indiana.    * WHEN...Until 6 AM CST Sunday.    * IMPACTS...Travel could be very difficult.    * ADDITIONAL DETAILS...The highest snowfall rates are expected this     afternoon, with some blowing and drifting snow possible. The snow     may mix with or transition to drizzle east of Interstate 55 this     evening.    PRECAUTIONARY/PREPAREDNESS ACTIONS...    If you must travel, keep an extra flashlight, food, and water in   your vehicle in case of an emergency. The latest road conditions for   Illinois can be obtained at www.gettingaroundillinois.com. The   latest road conditions for Indiana can be obtained at   https://511in.org.    &amp;&amp;

https://p.wxn.io/b5fa4

Source: nwws

Winter Storm Warning for McHenry Co., IL until 6:00 AM CST 11/30

C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX

WWUS43 KLOT 290838  WSWLOT    URGENT - WINTER WEATHER MESSAGE  National Weather Service Chicago IL  238 AM CST Sat Nov 29 2025      /O.CON.KLOT.WS.W.0002.251129T0900Z-251130T1200Z/  Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-La  Salle-Kendall-Grundy-Kankakee-Livingston-Northern Cook-Central  Cook-Southern Cook-Northern Will-Southern Will-Eastern Will-Lake  IN-Porter-  Including the cities of Downers Grove, La Grange, Mokena, La  Salle, Valparaiso, Plano, Chesterton, Palatine, Buffalo Grove,  Oak Forest, Oswego, Mundelein, Yorkville, Channahon, Carol  Stream, Gary, Fairbury, Crystal Lake, Streator, Oak Park,  Rockford, Pontiac, Naperville, Elgin, Belvidere, McHenry,  Sycamore, Bradley, Portage, Crete, Aurora, Chicago, Calumet City,  Gurnee, Orland Park, Bolingbrook, Algonquin, Oak Lawn,  Northbrook, Byron, DeKalb, Waukegan, Park Forest, Peotone,  Schaumburg, Plainfield, Merrillville, Des Plaines, Evanston,  Manhattan, Wilmington, Kankakee, Mendota, Rochelle, Woodstock,  Dixon, Marseilles, Wheaton, Lemont, Ottawa, Lombard, Morris,  Beecher, Oregon, Bourbonnais, Cicero, Dwight, Coal City, Hammond,  Minooka, and Joliet  238 AM CST Sat Nov 29 2025    ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY...    * WHAT...Heavy snow expected. Total snow accumulations between 6 and     10 inches. Locally higher amounts possible northwest of an Ottawa     to Aurora to Waukegan line. Southeast winds gusting to 30 mph.    * WHERE...Portions of central, north central, and northeast Illinois     and northwest Indiana.    * WHEN...Until 6 AM CST Sunday.    * IMPACTS...Travel could be very difficult.    * ADDITIONAL DETAILS...The highest snowfall rates are expected this     afternoon, with some blowing and drifting snow possible. The snow     may mix with or transition to drizzle east of Interstate 55 this     evening.    PRECAUTIONARY/PREPAREDNESS ACTIONS...    If you must travel, keep an extra flashlight, food, and water in   your vehicle in case of an emergency. The latest road conditions for   Illinois can be obtained at www.gettingaroundillinois.com. The   latest road conditions for Indiana can be obtained at   https://511in.org.    &amp;&amp;

https://p.wxn.io/dtczl

Source: nwws

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