|
Home Return to list Severe Thunderstorm Warning 0235 Issued by the Chicago Forecast Office
Action: New Issued At: 2026-08-11 03:50:03 814 WUUS53 KLOT 110849 SVRLOT ILC097-111-110945- /O.NEW.KLOT.SV.W.0235.260811T0849Z-260811T0945Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Chicago/Romeoville 349 AM CDT Tue Aug 11 2026 The National Weather Service in Chicago has issued a * Severe Thunderstorm Warning for... Southwestern Lake County in northeastern Illinois... Southern McHenry County in northeastern Illinois... * Until 445 AM CDT. * At 349 AM CDT, a severe thunderstorm was located near Woodstock, moving southeast at 30 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Palatine, Crystal Lake, Algonquin, Lake in the Hills, McHenry, Woodstock, Huntley, Lake Zurich, Wauconda, Barrington, Island Lake, Marengo, Cary, Hawthorn Woods, Hampshire, Johnsburg, Lakemoor, Lake Barrington, Fox River Grove, Barrington Hills, Wonder Lake, Kildeer, Lakewood, Oakwood Hills, and Prairie Grove. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4215 8802 4215 8851 4226 8864 4241 8830 TIME...MOT...LOC 0849Z 306DEG 28KT 4236 8843 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.88 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Yack Action: Continued Issued At: 2026-08-11 04:05:34 265 WWUS53 KLOT 110905 SVSLOT Severe Weather Statement National Weather Service Chicago/Romeoville 405 AM CDT Tue Aug 11 2026 ILC097-111-110945- /O.CON.KLOT.SV.W.0235.000000T0000Z-260811T0945Z/ Lake IL-McHenry IL- 405 AM CDT Tue Aug 11 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 AM CDT FOR SOUTHWESTERN LAKE AND SOUTHERN MCHENRY COUNTIES... At 404 AM CDT, a severe thunderstorm was located over Bull Valley, or near Crystal Lake, moving southeast at 30 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Palatine, Crystal Lake, Algonquin, Lake in the Hills, McHenry, Woodstock, Huntley, Lake Zurich, Wauconda, Barrington, Island Lake, Marengo, Cary, Hawthorn Woods, Hampshire, Johnsburg, Lakemoor, Lake Barrington, Fox River Grove, Barrington Hills, Wonder Lake, Kildeer, Lakewood, Oakwood Hills, and Prairie Grove. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4215 8802 4215 8851 4226 8864 4241 8830 TIME...MOT...LOC 0904Z 311DEG 26KT 4228 8836 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.88 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Yack Action: Cancelled Issued At: 2026-08-11 04:16:34 729 WWUS53 KLOT 110916 SVSLOT Severe Weather Statement National Weather Service Chicago/Romeoville 416 AM CDT Tue Aug 11 2026 ILC097-111-110926- /O.CAN.KLOT.SV.W.0235.000000T0000Z-260811T0945Z/ Lake IL-McHenry IL- 416 AM CDT Tue Aug 11 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN LAKE AND SOUTHERN MCHENRY COUNTIES IS CANCELLED... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning has been cancelled. && LAT...LON 4215 8802 4215 8851 4226 8864 4241 8830 TIME...MOT...LOC 0913Z 306DEG 28KT 4222 8826 $$ Yack | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||