C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX WWUS73 KLOT 230901 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 301 AM CST Fri Jan 23 2026 /O.CON.KLOT.EC.W.0001.000000T0000Z-260123T1800Z/ /O.CON.KLOT.CW.Y.0002.260123T1800Z-260124T1500Z/ Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-La Salle-Kendall-Grundy-Kankakee-Livingston-Northern Cook-Southern Cook-Northern Will-Southern Will-Eastern Will- Including the cities of Kankakee, Wheaton, Mendota, Dwight, Oregon, Palatine, Belvidere, Sycamore, Bolingbrook, Manhattan, Evanston, Ottawa, Bourbonnais, Pontiac, Buffalo Grove, Naperville, McHenry, Plano, Fairbury, Wilmington, Schaumburg, Aurora, Mundelein, Mokena, Peotone, Plainfield, Des Plaines, Yorkville, Gurnee, Bradley, Byron, Carol Stream, Morris, Crete, Coal City, Beecher, Rockford, Downers Grove, Minooka, Rochelle, Lemont, Streator, Calumet City, Orland Park, Joliet, Lombard, Oak Forest, Marseilles, Dixon, Algonquin, Northbrook, DeKalb, Waukegan, La Salle, Park Forest, Oswego, Elgin, Channahon, Woodstock, and Crystal Lake 301 AM CST Fri Jan 23 2026 ...EXTREME COLD WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY... ...COLD WEATHER ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 AM CST SATURDAY... * WHAT...For the Extreme Cold Warning, dangerously cold wind chills of 30 to 40 below zero expected. For the Cold Weather Advisory, bitterly cold wind chills of 15 to 30 below zero expected. * WHERE...Portions of central, north central, and northeast Illinois. * WHEN...For the Extreme Cold Warning, until noon CST today. For the Cold Weather Advisory, from noon today to 9 AM CST Saturday. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as few as 10 minutes. * ADDITIONAL DETAILS...Coldest wind chills are expected across interior portions of northern Illinois. PRECAUTIONARY/PREPAREDNESS ACTIONS... Limit time outdoors. If you must go outdoors, dress in multiple layers including a hat, face mask, and gloves. To prevent water pipes from freezing, wrap, drain, or allow them to drip slowly. Make frequent checks on older family, friends, and neighbors. Keep pets indoors as much as possible. Ensure portable heaters are used correctly. Do not use generators or grills inside. && n/a Source: emwin |