2 products issued by NWS for: Markham IL
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 323 AM CST Tue Feb 18 2025 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-190930- 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- 323 AM CST Tue Feb 18 2025 /423 AM EST Tue Feb 18 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 Excessive Cold Risk. Limited Snow Risk in Porter County, IN. DISCUSSION... This morning, wind chills between 20 below and 30 below zero are expected in northern Illinois while wind chills between 15 below and 20 below zero are expected in northwest Indiana. Tonight, wind chills as low as 20 below zero will be possible once again in portions of interior northern Illinois. Lake effect snow may cause light snow accumulations in northeast Porter County, IN today. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Wednesday... Elevated Excessive Cold Risk. Limited Snow Risk. Thursday through Friday... Limited Excessive Cold Risk. DISCUSSION... Wind chills as low as 15 below to 20 below zero are expected Wednesday morning and Thursday morning. Wind chills as low as 10 below zero are expected Friday morning. Light snow accumulations may occur near and east of I-55 late Wednesday. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. $$
Cold Weather Advisory
URGENT - WEATHER MESSAGE National Weather Service Chicago IL 304 AM CST Tue Feb 18 2025 ILZ006-012-013-019>021-023-032-033-039-103>108-181800- /O.CON.KLOT.CW.Y.0005.000000T0000Z-250218T1800Z/ Lake IL-Kane-DuPage-La Salle-Kendall-Grundy-Kankakee-Livingston- Iroquois-Ford-Northern Cook-Central Cook-Southern Cook-Northern Will-Southern Will-Eastern Will- Including the cities of Coal City, Yorkville, Oak Lawn, Mokena, Manhattan, Elgin, Dwight, Park Forest, Bolingbrook, Orland Park, Joliet, Channahon, Beecher, Buffalo Grove, Paxton, Des Plaines, Gurnee, Naperville, Carol Stream, Oak Forest, Gibson City, Morris, Oswego, Pontiac, Ottawa, Waukegan, Chicago, Plainfield, Crete, Kankakee, Cicero, Wilmington, Plano, Watseka, Oak Park, La Grange, Aurora, Calumet City, Schaumburg, Mendota, Mundelein, Peotone, Evanston, Wheaton, Bradley, Lombard, Marseilles, Gilman, Northbrook, La Salle, Downers Grove, Streator, Fairbury, Bourbonnais, Palatine, Lemont, and Minooka 304 AM CST Tue Feb 18 2025 ...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... * WHAT...Very cold wind chills as low as 20 below to 25 below zero expected. * WHERE...Portions of central, east central, north central, and northeast Illinois. * WHEN...Until noon CST today. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ Petr