2 products issued by NWS for: Markham IL
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
327 PM CDT Wed Mar 19 2025
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-202030-
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-
327 PM CDT Wed Mar 19 2025 /427 PM EDT Wed Mar 19 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Limited Thunderstorm Risk...with an associated:
Level 3 of 5 Tornado Risk.
Level 2 of 5 Damaging Wind Risk...up to 60 mph.
Level 2 of 5 Large Hail Risk...up to quarter size.
Elevated Non Thunderstorm Wind Risk.
Limited Snow Risk.
DISCUSSION...
A few storms this afternoon and early evening may also be strong to
severe and feature damaging winds and hail. A few tornadoes may
occur, especially along and south of I-80.
After a brief period of strong southerly winds to 45 mph through
early evening south of the Kankakee River valley, winds will then
turn northwesterly late this evening and gust to around 45 mph
across the entire area into early Thursday morning.
A period of wind-whipped wet snow is anticipated overnight
tonight. Slushy accumulations are possible, especially on cooler
surfaces such as bridges and overpasses, and periods of poor
visibility are likely overnight. Impacts may stretch into parts
of the Thursday morning commute.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday...
Limited Snow Risk in the morning.
Monday and Tuesday...
Limited Snow Risk.
.SPOTTER INFORMATION STATEMENT...
Spotters will likely be needed through mid evening.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at 45 mph.
$$
Wind Advisory
URGENT - WEATHER MESSAGE National Weather Service Chicago IL 351 PM CDT Wed Mar 19 2025 ILZ003>006-008-010>013-019>021-103>108-INZ001-002-200700- /O.CON.KLOT.WI.Y.0008.250320T0300Z-250320T1200Z/ Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-La Salle-Kendall-Grundy-Northern Cook-Central Cook-Southern Cook- Northern Will-Southern Will-Eastern Will-Lake IN-Porter- Including the cities of Northbrook, Elgin, Downers Grove, Schaumburg, Plano, Morris, Crete, Algonquin, Wilmington, Byron, Rochelle, Palatine, Chicago, Merrillville, Oak Lawn, Sycamore, Dixon, Mokena, Joliet, Bolingbrook, Hammond, Manhattan, Lemont, Belvidere, La Salle, Coal City, Beecher, Woodstock, Waukegan, Oak Park, Mendota, Oak Forest, Park Forest, Calumet City, Aurora, Marseilles, Plainfield, Orland Park, Chesterton, McHenry, Valparaiso, Streator, Cicero, Buffalo Grove, Yorkville, Minooka, Wheaton, La Grange, Gurnee, Portage, DeKalb, Evanston, Oregon, Crystal Lake, Des Plaines, Mundelein, Lombard, Gary, Channahon, Oswego, Peotone, Carol Stream, Naperville, Rockford, and Ottawa 351 PM CDT Wed Mar 19 2025 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 7 AM CDT THURSDAY... * WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Portions of north central and northeast Illinois and northwest Indiana. * WHEN...From 10 PM this evening to 7 AM CDT Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...There will be a few hour period overnight where the winds will combine with falling snow and may reduce visibilities to one half to one quarter mile for some areas. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. && $$ Donofrio