Immediate

Responsive action SHOULD be taken immediately

Illinois Severe Thunderstorm Warning | Effective 05/04/2026 17:40

At 740 PM CDT, severe thunderstorms were located along a line extending from near Morris to Mazon, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Morris, Channahon, Minooka, Coal City, Diamond, Mazon, Braceville, Godley, and Carbon Hill. For your protection move to an interior room on the lowest floor of a building.

Illinois Severe Thunderstorm Warning | Effective 05/04/2026 17:41

At 741 PM CDT, a severe thunderstorm was located near Shobonier, or 10 miles south of Vandalia, moving east at 35 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... Pittsburg, Vandalia, Shobonier, Patoka, Vernon, Brownstown, St. Paul, Alma, St. James, St. Elmo, St. Peter, Loogootee, Brubaker, Kinmundy, Farina, Omega, Stephen Forbes Station and La Clede.

Illinois Severe Thunderstorm Warning | Effective 05/04/2026 17:42

SVRILX The National Weather Service in Lincoln has issued a * Severe Thunderstorm Warning for... Northwestern Marshall County in central Illinois... Stark County in north central Illinois... East central Knox County in west central Illinois... Northwestern Peoria County in central Illinois... * Until 815 PM CDT. * At 742 PM CDT, severe thunderstorms were located along a line extending from near La Fayette to near Victoria to near Knoxville, moving east at 45 mph. HAZARD...60 mph wind gusts and quarter size hail.

Michigan Severe Thunderstorm Warning | Effective 05/04/2026 17:09

At 808 PM EDT, a severe thunderstorm was located 7 miles west of Harsens Island, or 8 miles east of Mount Clemens, moving northeast at 45 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. This severe storm will be near... New Baltimore, Algonac, and Harsens Island around 815 PM EDT. Marine City around 820 PM EDT. Other locations impacted by this severe thunderstorm include

Illinois Severe Thunderstorm Warning | Effective 05/04/2026 17:10

SVRLSX The National Weather Service in St Louis has issued a * Severe Thunderstorm Warning for... Eastern Bond County in south central Illinois... Southern Fayette County in south central Illinois... Northern Marion County in south central Illinois... * Until 830 PM CDT. * At 710 PM CDT, a severe thunderstorm was located over Greenville, moving east at 35 mph. HAZARD...Golf ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail

Illinois Severe Thunderstorm Warning | Effective 05/04/2026 17:13

SVRLOT The National Weather Service in Chicago has issued a * Severe Thunderstorm Warning for... Southern Kendall County in northeastern Illinois... Northeastern La Salle County in north central Illinois... Grundy County in northeastern Illinois... * Until 800 PM CDT. * At 713 PM CDT, a severe thunderstorm was located near Ottawa, moving east at 45 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include...

Illinois Severe Thunderstorm Warning | Effective 05/04/2026 17:16

At 716 PM CDT, a severe thunderstorm was located near Marseilles, moving east at 60 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Ottawa, Streator, Oglesby, North Utica, Tonica, Grand Ridge, Naplate, Dayton, Lostant, Kangley, and Leonore. For your protection move to an interior room on the lowest floor of a building.

Illinois, Iowa Severe Thunderstorm Warning | Effective 05/04/2026 17:16

At 716 PM CDT, severe thunderstorms were located along a line extending from near Lake Warren to Delabar State Park, moving east at 35 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Monmouth, Oquawka, Kirkwood, Little York, Biggsville, Gladstone, Rozetta, Lake Warren, Alexis, Greenbush, Coldbrook, Bald Bluff, Berwick, Ormonde, Gerlaw, Ponemah, Larchland, Monmouth Municipal

Illinois Severe Thunderstorm Warning | Effective 05/04/2026 17:19

SVRILX The National Weather Service in Lincoln has issued a * Severe Thunderstorm Warning for... Northwestern Fulton County in west central Illinois... Knox County in west central Illinois... * Until 800 PM CDT. * At 719 PM CDT, severe thunderstorms were located along a line extending from near Rio to 6 miles west of Galesburg to Kirkwood, moving east at 35 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.

Illinois Severe Thunderstorm Warning | Effective 05/04/2026 17:19

At 719 PM CDT, a severe thunderstorm was located near Manhattan, or 8 miles northeast of Wilmington, moving east at 25 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Channahon, Wilmington, Manhattan, Elwood, Wilton Center, and Symerton. For your protection move to an interior room on the lowest floor of a building.
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