Hail and wind reports › August 11, 2026 › Illinois
Hail and wind reports in Illinois, August 11, 2026
1 hail, 62 wind and 9 tornado reports; largest hail 1.00 in; strongest gust 97 mph.
‹ August 10, 2026 · August 12, 2026 › · All dates
| Time (UTC) | Type | Size / speed | Place | County | Notes |
|---|---|---|---|---|---|
| 08-11 22:28 | Hail | 1.00 in | Martinsville | Clark | (ILX) |
| 08-11 13:28 | Wind | damage | 2 NNE Derinda Center | Jo Daviess | Trees snapped over powerlines near South Schnitzler and South Derinda Roads. Time estimated by radar. (DVN) |
| 08-11 13:42 | Wind | damage | Cordova | Rock Island | One tree uprooted and other large limbs downed. Time estimated using radar. (DVN) |
| 08-11 13:48 | Wind | damage | 2 ESE Loran | Stephenson | Power lines down and they are smoking and sparking. Time estimated from radar. (DVN) |
| 08-11 13:53 | Wind | damage | 1 SSW Morrison | Whiteside | 3-4 inch tree limb snapped. (DVN) |
| 08-11 13:56 | Wind | 60 mph | Stockton | Jo Daviess | PWS. (DVN) |
| 08-11 14:00 | Wind | damage | Freeport | Stephenson | 6-7 inch diameter tree limbs snapped and a measured wind gust of 55 mph. Time estimated by radar. (DVN) |
| 08-11 14:08 | Wind | damage | Geneseo | Henry | Photos of two large oak tree branches were broken off. (DVN) |
| 08-11 14:09 | Wind | 58 mph | 4 ESE Geneseo | Henry | PWS. (DVN) |
| 08-11 14:21 | Wind | 75 mph | Polo | Ogle | Private weather station on the south side of Polo measured 75.2 mph and 70.7 mph wind gusts at 9:21 AM and 9:22 AM with trees severely bending and tree limbs snaping. (LOT) |
| 08-11 14:24 | Wind | damage | 4 N Sublette | Lee | Photo on social media showed a large tree down near Inlet Road and Shaw Road. Several other trees blown down nearby. (LOT) |
| 08-11 14:24 | Wind | damage | 1 WNW Freeport | Stephenson | Tree fell down... wires caught on branch. (DVN) |
| 08-11 14:41 | Wind | damage | 2 E Freeport | Stephenson | Wires down across the roadway. (DVN) |
| 08-11 14:46 | Wind | damage | 1 W Hennepin | Putnam | Reports of multiple trees and a power pole blown down in the town of Hennepin. Time estimated by radar. (DVN) |
| 08-11 14:59 | Wind | damage | Ottawa | La Salle | Numerous large trees and tree branches were downed along Ottawa Ave. Additional tree damage was reported along Taylor and Clay Streets. Time estimated by radar. (LOT) |
| 08-11 15:03 | Wind | damage | 1 NNE Sandwich | De Kalb | Two approx 8 inch diameter branches down on pleasant street. (LOT) |
| 08-11 15:07 | Wind | damage | 1 ESE Big Rock | Kane | Photo on social media showed a tree 12 to 18 inches in diameter snapped and fell onto a fence in a subdivision near Garnart Road. (LOT) |
| 08-11 15:13 | Wind | damage | 1 NE Yorkville | Kendall | Photo shared of a large tree down. Time estimated by radar. (LOT) |
| 08-11 15:13 | Wind | 97 mph | 1 SE Sugar Grove | Kane | Home weather station measured a 97 mph wind gust. (LOT) |
| 08-11 15:14 | Wind | 66 mph | 1 NE Lily Lake | Kane | (LOT) |
| 08-11 15:15 | Wind | damage | 1 N Seneca | La Salle | Photo on social media showed a large tree limb snapped off a tree near Main Street and Jackson Street. (LOT) |
| 08-11 15:19 | Wind | 60 mph | 1 SE Seneca | La Salle | Private weather station. (LOT) |
| 08-11 15:21 | Wind | 65 mph | 1 ENE Oswego | Kendall | Private weather station: 0.9 SSE Oswego. (LOT) |
| 08-11 15:22 | Wind | damage | St. Charles | Kane | large branches downed across town. relayed by social media. (LOT) |
| 08-11 15:23 | Wind | damage | 3 E Aurora | DuPage | Photo on social media showed a large tree completely uprooted near Kautz Road and New York Street. (LOT) |
| 08-11 15:25 | Wind | damage | 2 NNE Morris | Grundy | Photo on social media showed a semi truck blown over into power lines on Route 6 between Route 47 and Ashley Road. (LOT) |
| 08-11 15:27 | Wind | damage | 1 WNW Crystal Lawns | Will | Tree damage and minor fascia damage to a house west of Joliet Mall. (LOT) |
| 08-11 15:28 | Wind | 80 mph | 2 NNW Warrenville | DuPage | A corridor of destructive winds impacted Warrenville and a portion of Lisle during the derecho on August 11. Extensive tree damage occurred in Blackwell Forest Preserve (LOT) |
| 08-11 15:29 | Wind | damage | 4 SSW Naperville | Will | tree branches 4-6 inch diameter down near 95th and Book Road. (LOT) |
| 08-11 15:31 | Wind | 96 mph | 2 NNW Shorewood | Will | Private weather station. (LOT) |
| 08-11 15:31 | Wind | damage | 1 WSW Carol Stream | DuPage | Photo sent of a 8 inch diameter tree snapped. Time estimated by radar. (LOT) |
| 08-11 15:35 | Wind | 70 mph | 1 W Braidwood | Will | (LOT) |
| 08-11 15:37 | Wind | damage | 1 NNE New Lenox | Will | Photos sent of snapped tree branches. Time estimated by radar. (LOT) |
| 08-11 15:38 | Wind | damage | 1 S Lemont | Cook | Corrects previous tstm wnd dmg report from 1 S Lemont. Multiple public reports of large tree limbs downed in Lemont. (LOT) |
| 08-11 15:38 | Wind | 70 mph | 2 N Lemont | DuPage | Peak wind gust of 70 mph measured by sonic anemometer at a height of 10m. (LOT) |
| 08-11 15:38 | Wind | damage | 2 SW Darien | DuPage | report of 18 inch diameter tree down. (LOT) |
| 08-11 15:39 | Wind | 70 mph | Coal City | Grundy | Private weather station: KILCOALC4. (LOT) |
| 08-11 15:40 | Wind | damage | Wilmington | Will | Roof of a business near First Street and Rt 53. Time estimated based on radar. (LOT) |
| 08-11 15:42 | Wind | 75 mph | Frankfort | Will | Sustained winds estimated 55 mph with gusts in excess of 75 mph. (LOT) |
| 08-11 15:45 | Wind | damage | Manteno | Kankakee | roof damage to a building. (LOT) |
| 08-11 15:47 | Wind | damage | North Riverside | Cook | Photo on social media showed large tree limbs blown down near 23rd Street and Des Plaines Avenue. (LOT) |
| 08-11 15:48 | Wind | damage | 1 ESE Monee | Will | report of numerous trees and power lines reported down throughout town. (LOT) |
| 08-11 15:48 | Wind | damage | 1 SSE Tinley Park | Cook | report of significant roof damage and windows blown out of a shopping center and nearby residential building. (LOT) |
| 08-11 15:52 | Wind | 87 mph | Peotone | Will | Peak wind gust of 87 mph. Secondary sensor reported a wind gust of 78 mph prior to power loss. Widespread tree damage reported as well. (LOT) |
| 08-11 15:55 | Wind | damage | 1 W Sauk Village | Cook | 7 trailers blown over in industrial area. time estimated by radar. (LOT) |
| 08-11 15:57 | Wind | damage | 1 NE Washington Hts - C | Cook | Multiple public reports of tree damage in the Washington Heights... Roseland... Chatham and Burnside community areas of Chicago. Most concentrated damage appears to be (LOT) |
| 08-11 15:59 | Wind | 91 mph | 3 NE Bradley | Kankakee | Corrects previous tstm wnd gst report from 3 NE Bradley. Private weather station: KILBOURB2. (LOT) |
| 08-11 16:00 | Wind | 60 mph | 3 NE Navy Pier | LMZ741 | Mesonet station CHII2 Harrison-Dever Crib. Peak gust of 52.1 kt before data loss. (LOT) |
| 08-11 16:01 | Wind | 91 mph | 2 E Mokena | Will | Near 195th and La Grange Road. (LOT) |
| 08-11 16:02 | Wind | damage | 1 NE Portage Park - Chi | Cook | Isolated to widely scattered public reports of tree damage in the Norwood Park... Jefferson Park... Forest Glen... Portage Park... Dunning... Irving Park... Albany Park (LOT) |
| 08-11 16:03 | Wind | damage | 2 N Braidwood | Will | There are numerous trees down in the area. (LOT) |
| 08-11 16:09 | Wind | 70 mph | 1 W Oak Lawn | Cook | (LOT) |
| 08-11 16:17 | Wind | 65 mph | 2 NNW Mazon | Grundy | Private weather station: 2.4 NNW Mazon. (LOT) |
| 08-11 16:20 | Wind | damage | Woodlawn - Chicago | Cook | Large 9 inch diameter tree branches down on road. (LOT) |
| 08-11 16:23 | Wind | 61 mph | 2 NNE Wilmington | Will | weather station at midewin tallgrass prairie. (LOT) |
| 08-11 19:03 | Wind | damage | 2 WSW Paxton | Ford | Downed tree limbs along Route 9 west of Paxton near the airport. Time estimated by radar. (LOT) |
| 08-11 19:45 | Wind | damage | 7 ESE Heyworth | De Witt | Several large trees and tree limbs snapped off. Time estimated by radar. (ILX) |
| 08-11 20:12 | Wind | damage | De Land | Piatt | Machine shed lost a roof near Deland. Time estimated by radar. (ILX) |
| 08-11 20:24 | Wind | damage | 5 SE White Heath | Champaign | Farm building destroyed with debris thrown into field... trees snapped at two farms at 1100N and 100E... approximately four miles south of Seymour... IL. Time estimated (ILX) |
| 08-11 20:38 | Wind | damage | Pesotum | Champaign | Several trees and tree limbs down were blown down. (ILX) |
| 08-11 20:55 | Wind | damage | Camargo | Douglas | Tree limbs down and large tree snapped. (ILX) |
| 08-11 21:05 | Wind | damage | Sidell | Vermilion | Large tree fell on a mobile home. Time estimated by radar. (ILX) |
| 08-11 21:14 | Wind | damage | Chrisman | Edgar | Powerlines and tree branches down in Chrisman. Time estimated by radar. (ILX) |
| 08-11 15:14 | Tornado | 2 W Oswego | Kendall | NWS survey confirms an EF-0 tornado with peak winds near 75 mph... peak width of 150 yards... and path length of 5.2 miles. (LOT) | |
| 08-11 15:20 | Tornado | 5 E Seneca | Grundy | An NWS storm survey confirmed that an EF-0 tornado with estimated peak winds of 80 mph... a path length of 1.6 miles... and a peak width of 250 yards occurred in Norman (LOT) | |
| 08-11 15:23 | Tornado | 3 N Morris | Grundy | An NWS storm survey confirmed that an EF-0 tornado with estimated peak winds of 80 mph... a path length of 2.2 miles... and a peak width of 150 yards occurred on the no (LOT) | |
| 08-11 15:37 | Tornado | 1 WNW Wilmington | Will | NWS survey confirms an EF-1 tornado with peak winds near 90 mph... peak width of 150 yards... and path length of 1.52 miles. (LOT) | |
| 08-11 15:39 | Tornado | 3 N New Lenox | Will | NWS survey confirms an EF-1 tornado with peak winds near 95 mph... peak width of 200 yards... and path length of 7.6 miles. (LOT) | |
| 08-11 15:41 | Tornado | 3 SE Homer Glen | Cook | NWS survey confirms an EF-1 tornado with peak winds near 105 mph... peak width of 300 yards... and path length of 22.4 miles. (LOT) | |
| 08-11 15:43 | Tornado | 5 SSW Frankfort | Will | NWS survey confirms an EF-2 tornado with peak winds near 115 mph... peak width of 300 yards... and path length of 25.8 miles. (LOT) | |
| 08-11 15:55 | Tornado | 1 ESE Homewood | Cook | An EF-1 tornado began west of Halsted between 183rd and 187th... crossing Halsted and causing structural damage to a strip mall and several buildings in an apartment co (LOT) | |
| 08-11 20:29 | Tornado | 3 S Seymour | Champaign | (ILX) |
Preliminary local storm reports from NOAA's Storm Prediction Center, made by trained spotters, the public and National Weather Service offices. Not every storm is reported, reports can be revised, and a report near a property shows storm exposure, not proof of damage. A report day runs from 7 a.m. Eastern (12:00 UTC) to 7 a.m. the next day; times are UTC.
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