Hail Map in Illinois on August 11, 2021

The weather event in Illinois on August 11, 2021 includes Wind, Tornado, and Hail maps. 30 states and 1,882 cities were impacted and suffered possible damage. The total estimated number of properties impacted is 33,432.

View entire weather event

Wind

Tornado

Hail

33,432

Estimated number of impacted properties by a 1.00" hail or larger

0

Estimated number of impacted properties by a 1.75" hail or larger

0

Estimated number of impacted properties by a 2.50" hail or larger

Storm reports in Illinois

Illinois

Date	Description
08/11/202110:57 AM CDT	Large evergreen tree snapped halfway up.
08/11/202110:53 AM CDT	Asos station kmdw chicago midway.
08/11/202110:34 AM CDT	Tree downed onto fence.
08/11/202110:30 AM CDT	Several large trees downed in beach park.
08/11/202110:29 AM CDT	Kugn asos peak gust.
08/11/202110:26 AM CDT	Siding ripped off of house and fence knocked down.
08/11/202110:18 AM CDT	Several trees snapped or downed in fox lake.
08/11/202110:17 AM CDT	Large tree uprooted.
08/11/202110:16 AM CDT	Large tree downed onto fence.
08/11/202110:14 AM CDT	Multiple large tree limbs downed.
08/11/202110:13 AM CDT	Power lines downed onto roads.
08/11/202110:09 AM CDT	Several trees downed in wonder lake.
08/11/202110:09 AM CDT	Half of tree snapped at its fork.
08/11/202110:08 AM CDT	2 large trees approximately 20 inches in diameter downed.
08/11/202110:08 AM CDT	* 1 fatal * three people were rescued from a mobile home that was crushed by a fallen tree. One fatality was reported. Time confirmed by 911 call center.
08/11/202110:05 AM CDT	Parts of large trees snapped off.
08/11/202110:04 AM CDT	Large tree snapped.
08/11/202110:04 AM CDT	Kmdw asos peak gust.
08/11/202110:03 AM CDT	9 inch diameter branch downed.
08/11/202110:01 AM CDT	Large tree snapped halfway up.
08/11/202110:00 AM CDT	Large tree uprooted.
08/11/20219:59 AM CDT	Large tree branch downed.
08/11/20219:55 AM CDT	Several large tree branches downed along maple avenue in downers grove.
08/11/20219:55 AM CDT	Tree downed onto wires.
08/11/20219:55 AM CDT	Part of tree snapped off.
08/11/20219:54 AM CDT	Multiple trees downed in new lenox.
08/11/20219:54 AM CDT	Large tree branch downed.
08/11/20219:51 AM CDT	Trees and wires downed in various locations in and around belvidere.
08/11/20219:47 AM CDT	Part of large tree snapped at base.
08/11/20219:46 AM CDT	Tree debris on road caused road closure.
08/11/20219:43 AM CDT	Fence blown down.
08/11/20219:40 AM CDT	Multiple reports of tree damage in rockford.
08/11/20219:38 AM CDT	8 inch diameter tree limbs and power lines downed.
08/11/20219:38 AM CDT	Large tree limb downed.
08/11/20219:37 AM CDT	Large tree downed.
08/11/20219:36 AM CDT	Fence panel blown over.
08/11/20219:35 AM CDT	Peak gust on personal weather station.
08/11/20219:35 AM CDT	12 inch diameter limb downed.
08/11/20219:34 AM CDT	Large tree snapped.
08/11/20219:33 AM CDT	Large tree limb downed in wilder park in aurora and nearby power pole tilted.
08/11/20219:31 AM CDT	Krfd asos peak gust.
08/11/20219:30 AM CDT	Multiple large tree limbs downed in boulder hill.
08/11/20219:29 AM CDT	Half of tree snapped at its fork.
08/11/20219:28 AM CDT	Large tree limb downed and fence blown over.
08/11/20219:28 AM CDT	Karr asos peak gust.
08/11/20219:28 AM CDT	Large tree snapped.
08/11/20219:24 AM CDT	Private weather station reported peak wind gust of 68 mph. Winds gusted above 60 mph for 15 minutes.
08/11/20219:22 AM CDT	Large oak tree snapped at base.
08/11/20219:20 AM CDT	Numerous trees and wires downed throughout sandwich.
08/11/20219:19 AM CDT	Trees and wires downed onto road.
08/11/20219:18 AM CDT	Several trees snapped or downed between sandwich and plano.
08/11/20219:18 AM CDT	Tree downed on little rock rd west of plano.
08/11/20219:16 AM CDT	Several trees down in town. One fell on a spotters house... Leading to water leaking in. Power lines down throughout town as well... With power out.
08/11/20219:15 AM CDT	Siding ripped off the side of a building in waterman.
08/11/20219:10 AM CDT	Part of large tree snapped off.
08/11/20219:09 AM CDT	6-8 inch diameter limbs downed.
08/11/20219:08 AM CDT	Trees and tree limbs downed.
08/11/20219:06 AM CDT	Peak wind gust measured by personal weather station east of earlville.
08/11/20219:01 AM CDT	Peak wind gust measured by personal weather station in compton.
08/11/20219:00 AM CDT	Delayed report. Widespread significant wind damage occurred across northern la salle county during the morning of august 11. Damage consisted of snapped trees near thei
08/11/20218:58 AM CDT	Delayed report. Part of the roof of a farm building peeled off.
08/11/20218:58 AM CDT	Delayed report. Part of a roof peeled off of a farm building.
08/11/20218:56 AM CDT	Wind turbine blade blown off.
08/11/20218:54 AM CDT	Numerous trees downed in mendota. A couple of trees snapped at the base.
08/11/20218:50 AM CDT	Very high winds lead to many 2 to 6 inch limbs down.
08/11/20218:50 AM CDT	Large limbs downed.
08/11/20218:45 AM CDT	Large tree branch down... Approximately 15 to 18 inches in diameter.
08/11/20218:40 AM CDT	Tree down and corn flattened. 2-4 inch branches also down. Estimated 60 mph or greater.
08/11/20218:35 AM CDT	Pole barn destroyed from the straight line winds... With posts ripped out of the ground.
08/11/20218:15 AM CDT	Several tree limbs down
08/11/20218:10 AM CDT	Report from mping: 3-inch tree limbs broken; power poles broken.
08/11/20218:01 AM CDT	A local report indicates 1.00 inch wind near 1 SE ROCK ISLAND
08/11/20216:15 AM CDT	At 1114 AM CDT, severe thunderstorms were located along a line extending from Crown Point to near Roselawn, moving east at 15 mph. Some of the strongest winds may be apart from the rain. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Merrillville, Valparaiso, Crown Point, Cedar Lake, Lowell, Rensselaer, DeMotte, Hebron, Morocco, Wheatfield, Lake Village, Lakes of the Four Seasons, Winfield, Roselawn, Kouts, Lake Dalecarlia, Brook, Shelby, Hanging Grove and Collegeville.Including the following interstate... Indiana I-65 between mile markers 207 and 249. This includes... Valparaiso University, Lake County Fairgrounds,Porter County Fairgrounds, and US 41 Dragway.
08/11/20215:57 AM CDT	At 1057 AM CDT, a severe thunderstorm was located over Roseville, or 11 miles south of Monmouth, moving east at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. This severe thunderstorm will be near... Little Swan Lake around 1105 AM CDT.
08/11/20214:50 AM CDT	At 949 AM CDT, a severe thunderstorm was located over Homer Glen, moving east at 65 mph. HAZARD...70 mph wind gusts. SOURCE...Trained Weather Spotters. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Aurora, Joliet, Plainfield, Oswego, Batavia, Yorkville, Morris, Channahon, Minooka, Plano, Sandwich, Coal City, Montgomery, North Aurora, Sugar Grove, Boulder Hill, Diamond, Newark, Millington and Big Rock.Including the following interstates... I-80 between mile markers 104 and 122. I-88 between mile markers 108 and 120.This includes... Aurora University, Gebhard Woods State Park, GrundyCounty Speedway and Fairgrounds, IL Math and Science Academy,Waubonsee Community College, and William G Stratton State Park.
08/11/20214:46 AM CDT	At 946 AM CDT, a severe thunderstorm was located near Belvidere, moving east at 65 mph. HAZARD...60 mph wind gusts. SOURCE...Trained Spotters. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Elgin, Waukegan, Arlington Heights, Palatine, Buffalo Grove, Bartlett, Crystal Lake, Carpentersville, Wheeling, Northbrook, North Chicago, Gurnee, Mundelein, Algonquin, Highland Park, Lake in the Hills, Round Lake Beach, McHenry, Vernon Hills and Woodstock.Including the following interstates... I-90 between mile markers 32 and 56. I-94 between mile markers 1 and 26. I-294 between mile markers 1 and 26.This includes... Chain O Lakes State Park, College of Lake County,Elgin Community College, Great Lakes Naval Training Center, IL BeachState Park, Lake County IL Fairgrounds, Lake Forest College, MchenryCounty College, Mchenry County Fairgrounds, Moraine Hills State Park,Ravinia Music Festival, and Six Flags Great America.
08/11/20214:43 AM CDT	At 942 PM CDT, a severe thunderstorm was located over Winfield, or over Wheaton, moving east at 25 mph. DuPage Airport gusted to 56 mph at 930 PM CDT. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Aurora, Naperville, Elgin, Schaumburg, Des Plaines, Mount Prospect, Wheaton, Downers Grove, Elmhurst, Lombard, Bartlett, Ohare Airport, Streamwood, Carol Stream, Hanover Park, Park Ridge, Addison, Glendale Heights, Elk Grove Village and St. Charles.This includes... Brookfield Zoo, Schaumburg Boomers Baseball, TritonCollege, Benedictine University, College of DuPage, DuPage CountyFairgrounds, Morton Arboretum, Wheaton College, and North CentralCollege.
08/11/20214:25 AM CDT	At 924 AM CDT, a severe thunderstorm was located near Yorkville, moving east at 55 mph. HAZARD...70 mph wind gusts. This storm has a history of producing wind damage and power outages! SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Aurora, Joliet, Naperville, Bolingbrook, Wheaton, Downers Grove, Elmhurst, Lombard, Bartlett, Carol Stream, Romeoville, Plainfield, Hanover Park, Addison, Glendale Heights, Elk Grove Village, St. Charles, Woodridge, Glen Ellyn and West Chicago.Including the following interstates... I-55 between mile markers 235 and 276. I-80 between mile markers 123 and 142. I-88 between mile markers 102 and 107, and between mile markers 121and 140. I-290 between mile markers 5 and 15. I-355 between mile markers 1 and 7, and between mile markers 11 and30.This includes... Argonne National Laboratory, University of St.Francis, Benedictine University, Channahon State Park, ChicagolandSpeedway...Route 66 Raceway, College of DuPage, DuPage CountyFairgrounds, Fermilab, Joliet Junior College, Joliet SlammersBaseball, Kane County Cougars Ballpark, Lewis University, MortonArboretum, Wheaton College, and North Central College.
08/11/20214:05 AM CDT	At 905 AM CDT, a severe thunderstorm was located near Earlville, or 8 miles west of Sheridan, moving east at 65 mph. HAZARD...70 mph wind gusts. The strongest winds will move into Kendall county! SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Aurora, Joliet, Plainfield, Oswego, Batavia, Yorkville, Morris, Channahon, Minooka, Plano, Sandwich, Coal City, Montgomery, North Aurora, Sugar Grove, Boulder Hill, Diamond, Newark, Millington and Big Rock.Including the following interstates... I-80 between mile markers 104 and 122. I-88 between mile markers 108 and 120.This includes... Aurora University, Gebhard Woods State Park, GrundyCounty Speedway and Fairgrounds, IL Math and Science Academy,Waubonsee Community College, and William G Stratton State Park.
08/11/20213:57 AM CDT	At 856 PM CDT, a severe thunderstorm was located near Sugar Grove, or 9 miles west of Batavia, moving east at 40 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Aurora, Naperville, Bolingbrook, Wheaton, Downers Grove, Lombard, Bartlett, Carol Stream, Hanover Park, Addison, Glendale Heights, St. Charles, Woodridge, Glen Ellyn, West Chicago, Batavia, Geneva, Campton Hills, Oak Brook and Westmont.Including the following interstates... I-55 near mile marker 273. I-88 between mile markers 102 and 136. I-290 between mile markers 5 and 10. I-355 between mile markers 15 and 30.This includes... Aurora University, Benedictine University, Collegeof DuPage, DuPage County Fairgrounds, Fermilab, IL Math and ScienceAcademy, Kane County Cougars Ballpark, Morton Arboretum, WaubonseeCommunity College, Wheaton College, and North Central College.
08/11/20213:41 AM CDT	At 841 AM CDT, a severe thunderstorm was located near La Moille, or 10 miles northeast of Princeton, moving east at 65 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include... Ottawa, Peru, La Salle, Sandwich, Mendota, Marseilles, Sheridan, Shabbona, Lake Holiday, Oglesby, Seneca, Hinckley, Somonauk, Earlville, Waterman, North Utica, Serena, Leland, Paw Paw and Naplate.Including the following interstates... I-39 between mile markers 52 and 96. I-80 between mile markers 74 and 103. I-88 between mile markers 70 and 74, and between mile markers 99 and101.This includes... Sandwich Fairgrounds, Buffalo Rock State Park,Illini State Park, Illinois Valley Community College, MatthiessenState Park, Starved Rock State Park, and Tri-County Fairgrounds.
08/11/20213:33 AM CDT	At 832 AM CDT, severe thunderstorms were located along a line extending from near Rock Falls to near Castleton, moving east at 50 mph. An area of strong winds will continue behind the storms, with an extended period of near 60 mph winds expected to last up to 2 hours. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. These severe thunderstorms will remain over mainly rural areas of Putnam, eastern Whiteside and Bureau Counties, including the following locations... Seatonville, Spring Valley Airport, Cherry, Penrose, Round Grove, Mark, Standard, Coal Hollow, Como and Ottville.
08/11/20213:25 AM CDT	At 825 AM CDT, a severe thunderstorm was located over Colona, or near East Moline, moving east at 60 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... Dixon, Amboy, Franklin Grove, Ashton, Sublette, Woodhaven Lakes, Nelson, Harmon, Woodland Shores, Eldena, Lee Center and Nachusa.Including the following interstate... I-88 between mile markers 45 and 70. This includes... Lee County Fairgrounds and Sauk Valley College.
08/11/20213:07 AM CDT	At 806 AM CDT, severe thunderstorms were located along a line extending from near Garden Plain to near Altona, moving east at 45 mph. In additionl strong gradient winds are occuring behind the storms and will also result in winds to 60 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Severe thunderstorms will be near... Erie, Garden Plain and Albany around 810 AM CDT. Morrison, Prophetstown and Lyndon around 820 AM CDT.Other locations in the path of these severe thunderstorms includeKewanee, Rock Falls, Coleta, Emerson, Sterling, Sheffield, Buda,Wyanet, Tiskilwa, Princeton and Bureau Junction.
08/11/20212:29 AM CDT	Widespread tree damage with some trees snapped and others uprooted in and around aroma park. Damage to power lines and utility poles.
08/11/20212:29 AM CDT	Considerable tree and power line damage on south sandbar road. Numerous large trees uprooted... Other trees sheared off.
08/11/20212:15 AM CDT	Tree downed onto power lines along county line rd.
08/11/20211:38 AM CDT	At 637 AM CDT, a severe thunderstorm was located over Oakville, or 9 miles southeast of Wapello, moving east at 40 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. This severe thunderstorm will be near... Keithsburg around 645 AM CDT. Joy around 650 AM CDT.Other locations in the path of this severe thunderstorm includeMillersburg, Seaton, Aledo and Burgess.
08/11/20211:10 AM CDT	At 610 AM CDT, a severe thunderstorm was located over Lowell, or 11 miles southeast of Mount Pleasant, moving east at 35 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. This severe thunderstorm will be near... Danville around 615 AM CDT. Middletown and Iowa Army Ammunition Plant around 620 AM CDT. Burlington, West Burlington and Gulf Port around 630 AM CDT.
08/10/20219:38 PM CDT	Large tree downed in west chicago. Time estimated by radar.

All States Impacted by Hail Map on August 11, 2021

Cities Impacted by Hail Map on August 11, 2021

Please be aware that the storm maps provided by HailTrace include estimates of the number of structures impacted by storms on the specified date. These estimates are derived from data provided by Microsoft, including building footprint data generated using computer vision algorithms applied to satellite imagery. While HailTrace makes every effort to ensure the accuracy of this information, it is not guaranteed and should be used as a general reference only. The actual number of impacted structures may differ from the estimates provided on the storm maps.