Severe

Significant threat to life or property

Pennsylvania Severe Thunderstorm Warning - Severe | Effective 06/11/2026 16:58

At 758 PM EDT, severe thunderstorms were located along a line extending from Fountain Springs to near Pine Grove to Pleasant Hill, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Emergency management. At 7:55 PM EDT, there were multiple reports of trees and wires down in Lebanon County, PA. IMPACT...Damage to roofs, siding, trees, and power lines is possible. Locations impacted include... Allentown, Reading, Lehighton, Emmaus, Wyomissing, Northampton,

Illinois Severe Thunderstorm Warning - Severe | Effective 06/11/2026 16:59

At 657 PM CDT, severe thunderstorms were located along a line extending from east of Waukegan to Island Lake to Kingston, moving east-northeast at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Emergency management. 60 mph wind gusts and sporadic tree damage has been reported across parts of Lake and McHenry counties with these storms. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Elgin, Waukegan, Palatine, Buffalo Grove, Crystal Lake,

Oklahoma Severe Thunderstorm Warning - Severe | Effective 06/11/2026 16:24

SVROUN The National Weather Service in Norman has issued a * Severe Thunderstorm Warning for... Southeastern Washita County in western Oklahoma... Central Caddo County in southwestern Oklahoma... Northeastern Kiowa County in southwestern Oklahoma... Southwestern Canadian County in central Oklahoma... * Until 715 PM CDT. * At 624 PM CDT, severe thunderstorms were located along a line extending from 4 miles south of Cloud Chief to 5 miles north of Cogar, moving southeast at 15 mph.

Illinois Flash Flood Warning - Severe | Effective 06/11/2026 16:24

At 624 PM CDT, Doppler radar indicated thunderstorms producing heavy rain have begun to move east of the warned area. Up to 2 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding. SOURCE...Radar. IMPACT...Rapid-onset flooding of creeks, streams, drainage ditches, streets, underpasses, low-lying areas, and other poor drainage areas. Some locations that will experience flash flooding include... Rockford, Loves Park, Machesney Park, Roscoe, South Beloit,

Illinois Flash Flood Warning - Severe | Effective 06/11/2026 16:25

At 625 PM CDT, Heavy rainfall and run-off from earlier rounds of strong thunderstorms may still be producing some lingering flooding across the warned area. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Freeport, Lena, Stockton, Warren, Hanover, Pearl City, Elizabeth,

Oklahoma Severe Thunderstorm Warning - Severe | Effective 06/11/2026 16:26

SVROUN The National Weather Service in Norman has issued a * Severe Thunderstorm Warning for... Northern Grady County in central Oklahoma... Southeastern Canadian County in central Oklahoma... * Until 730 PM CDT. * At 626 PM CDT, a severe thunderstorm was located near Union City, moving south at 15 mph. HAZARD...Two inch hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees.

Illinois Flash Flood Warning - Severe | Effective 06/11/2026 16:27

FFWLOT The National Weather Service in Chicago has issued a * Flash Flood Warning for... McHenry County in northeastern Illinois... * Until 1000 PM CDT. * At 627 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 1 inch of rain has fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding. SOURCE...Radar.

Kansas Severe Thunderstorm Warning - Severe | Effective 06/11/2026 16:28

SVRSGF The National Weather Service in Springfield has issued a * Severe Thunderstorm Warning for... Southwestern Cherokee County in southeastern Kansas... * Until 715 PM CDT. * At 628 PM CDT, a severe thunderstorm was located over Chetopa, moving east at 15 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Faulkner and Melrose.

Illinois Flash Flood Warning - Severe | Effective 06/11/2026 16:28

FFWLOT The National Weather Service in Chicago has issued a * Flash Flood Warning for... Lake IL County in northeastern Illinois... * Until 1000 PM CDT. * At 628 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 1 inch of rain has fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding. SOURCE...Radar.
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