Frost Advisory
Status
Event Continued Active alertStart Time
Sat 05/02/2026 02:00 AM EDTEnd Time
Sat 05/02/2026 09:00 AM EDTSignificance
AdvisoryImpacts
Low impact
Locations Affected
Rockford, IL ∙ Aurora, IL ∙ Joliet, IL ∙ Naperville, IL ∙ Elgin, IL ∙ Waukegan, IL ∙ Arlington Heights, IL ∙ Hammond, IN ∙ Bolingbrook, IL ∙ Evanston, ILFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service Chicago IL 901 PM CDT Fri May 1 2026 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM CDT /2 AM EDT/ TO 8 AM CDT /9 AM EDT/ SATURDAY... * WHAT...Temperatures as low as 32 degrees will result in frost formation. * WHERE...Portions of east central, north central, and northeast Illinois and northwest Indiana. * WHEN...From 1 AM CDT /2 AM EDT/ to 8 AM CDT /9 AM EDT/ Saturday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold.
Technical Header
ILZ003>006-008-010>013-020-023-033-103-105>108-INZ001-002-010-011- 019-021215- /O.CON.KLOT.FR.Y.0003.260502T0600Z-260502T1300Z/ Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage- Kendall-Kankakee-Iroquois-Northern Cook-Southern Cook-Northern Will-Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper- Benton- Including the cities of Wheaton, Yorkville, Bourbonnais, Wilmington, Woodstock, Waukegan, Northbrook, Peotone, Mokena, Palatine, Crystal Lake, Carol Stream, Bolingbrook, Oxford, Plano, Kankakee, Beecher, Algonquin, Oak Forest, Gary, Schaumburg, Lombard, Park Forest, Des Plaines, Portage, Calumet City, Kentland, Oswego, Gilman, Fowler, Channahon, Oregon, Orland Park, McHenry, Evanston, Manhattan, Buffalo Grove, Chesterton, Downers Grove, Naperville, Rensselaer, DeMotte, Belvidere, Joliet, Hammond, Mundelein, Elgin, Gurnee, Morocco, Rochelle, Dixon, Merrillville, Plainfield, Roselawn, Sycamore, Watseka, DeKalb, Aurora, Valparaiso, Bradley, Byron, Lemont, Crete, and Rockford 901 PM CDT Fri May 1 2026 /1001 PM EDT Fri May 1 2026/
