Immediate

Responsive action SHOULD be taken immediately

South Dakota Severe Severe Thunderstorm Warning | Effective 07/27/2026 15:38

At 438 PM MDT /538 PM CDT/, severe thunderstorms were located along a line from 6 miles east of Long Valley to 6 miles south of Vetal, or along a line from 26 miles northeast of Martin to 20 miles east of Martin, moving northeast at 15 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Parmelee, Spring Creek, Long Valley, Norris, Cedar Butte, Upper Cut Meat, Harrington, Black Pipe, He Dog, Vetal, Corn Creek, Grass

South Carolina Severe Severe Thunderstorm Warning | Effective 07/27/2026 15:39

SVRCAE The National Weather Service in Columbia has issued a * Severe Thunderstorm Warning for... Northwestern Calhoun County in central South Carolina... Southeastern Lexington County in central South Carolina... Northwestern Orangeburg County in central South Carolina... South central Richland County in central South Carolina... * Until 715 PM EDT. * At 638 PM EDT, a severe thunderstorm was located over Sandy Run, or 10 miles south of Cayce, moving south at 15 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated.

Illinois Severe Severe Thunderstorm Warning | Effective 07/27/2026 15:40

At 540 PM CDT, severe thunderstorms were located along a line extending from near Homer Glen to Tinley Park to Matteson to Crete, moving south 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. Locations impacted include... Joliet, Orland Park, Tinley Park, Calumet City, Chicago Heights, Lansing, Oak Forest, Harvey, Lockport, New Lenox, Homer Glen, Blue

Indiana, Ohio Severe Severe Thunderstorm Warning | Effective 07/27/2026 15:40

SVRILN The National Weather Service in Wilmington has issued a * Severe Thunderstorm Warning for... Eastern Franklin County in southeastern Indiana... Southeastern Union County in east central Indiana... Northeastern Dearborn County in southeastern Indiana... Northern Hamilton County in southwestern Ohio... Butler County in southwestern Ohio... Southwestern Warren County in southwestern Ohio... * Until 715 PM EDT. * At 640 PM EDT, a severe thunderstorm was located near West College

Indiana Severe Severe Thunderstorm Warning | Effective 07/27/2026 15:41

At 641 PM EDT, severe thunderstorms were located along a line extending from 6 miles northeast of Martinsville to 7 miles east of Franklin, moving south at 30 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. Locations impacted include... Indianapolis, Shelbyville, Greenwood, Plainfield, Franklin, Greenfield, Beech Grove, Martinsville, Mooresville, Southport, New

Indiana Severe Severe Thunderstorm Warning | Effective 07/27/2026 15:42

At 542 PM CDT, a severe thunderstorm was located over Cedar Lake, moving south 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. Locations impacted include... Crown Point, Cedar Lake, Lowell, St. John, Winfield, Lake Dalecarlia, Shelby, Schneider, and Sumava Resorts. For your protection move to an interior room on the lowest floor of a building.

Illinois Extreme Tornado Warning | Effective 07/27/2026 15:43

At 543 PM CDT, a severe thunderstorm capable of producing a tornado was located near Milford, moving south at 25 mph. HAZARD...Tornado and tennis ball size hail. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. This dangerous storm will be near... Milford around 550 PM CDT.

South Dakota Severe Severe Thunderstorm Warning | Effective 07/27/2026 15:44

SVRABR The National Weather Service in Aberdeen has issued a * Severe Thunderstorm Warning for... Jones County in central South Dakota... Southwestern Stanley County in central South Dakota... * Until 645 PM CDT /545 PM MDT/. * At 544 PM CDT /444 PM MDT/, severe thunderstorms were located along a line from near Brown Church to 33 miles southwest of Okaton, or along a line from 38 miles northwest of Murdo to 40 miles southwest of Murdo, moving east at 35 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated.

Illinois Extreme Tornado Warning | Effective 07-27-2026 15:23

TORLOT The National Weather Service in Chicago has issued a * Tornado Warning for... Central Iroquois County in east central Illinois... * Until 615 PM CDT. * At 523 PM CDT, a severe thunderstorm capable of producing a tornado was located near Watseka, moving south at 25 mph. HAZARD...Tornado and tennis ball size hail. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree

Utah Severe Flash Flood Warning | Effective 07-27-2026 15:27

FFWSLC The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... The Cottonwood burn scar in Beaver County in... East Central Beaver County in southern Utah... * Until 730 PM MDT. * At 427 PM MDT, Doppler radar indicated thunderstorms producing heavy rain over the Cottonwood burn scar in Beaver County... specifically North Creek Between 0.4 and 0.6 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly.
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