Hail Map in Illinois on August 21, 2026

The weather event in Illinois on August 21, 2026 includes Wind, Hail, and Tornado maps. 23 states and 979 cities were impacted and suffered possible damage. The total estimated number of properties impacted is 10,182.
Hail map in Illinois on August 21, 2026
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Tornado

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10,182Estimated properties impacted by 1.00"+ hail
1,879Impacted by 1.75"+
941Impacted by 2.50"+

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Storm reports in Illinois

Illinois

DateDescription
08/21/20266:49 PM CDTBroadcast media report of quarter-sized hail in savanna. Time estimated by radar.
08/21/20266:05 PM CDTMultiple photos depict hail just larger than ping pong balls. Time estimated by radar.
08/21/20265:57 PM CDTVideo shows very brief tornado just north of us-52 at cedar grove road.
08/21/20265:55 PM CDTAn nws damage survey determined an ef-0 tornado with peak winds around 70 mph... Path length of around 0.7 miles... And maximum width of around 200 yards impacted the r
08/21/20263:55 PM CDTPhoto shared to email service account showing hailstones ranging in size between dime to quarter -- 0.5 to 1.0 inch -- in diameter. Time estimated by radar.
08/21/20263:09 PM CDTReport from mping: quarter
08/21/20263:30 AM CDTA few scattered power outages in this area. Time estimated from radar.
08/21/20263:25 AM CDTA local report indicates 2.00 inch wind near Aviston
08/21/20263:02 AM CDTA local report indicates 1.50 inch wind near Grantfork
08/21/20262:56 AM CDTA local report indicates 1.75 inch wind near 3 SE Grantfork
08/21/20262:55 AM CDTPicture of tennis ball size hail relayed from a viewer of wcia.
08/21/20262:53 AM CDTPictures of hail from emergency manager near the patoka and vernon area.
08/20/20268:30 PM CDTLarge branches down.
08/20/20267:30 PM CDTPower lines down across the road in fulton illinois on illinois 136 towards clinton. Time estimated from radar.
08/20/20267:23 PM CDTPower poles down.
08/20/20267:19 PM CDTTree over 12 inches in diameter blown down. Possible tornado damage. Time estimated from radar data.
08/20/20267:15 PM CDTVideo on social media.
08/20/20267:13 PM CDTAn ef0 tornado... With peak winds of 70 mph... Developed along the southern banks of the illinois river and moved towards the south-southeast. The tornado crossed throu
08/20/20267:11 PM CDTCorrects previous tornado report starting location and time. An ef0 tornado... With estimated peak winds of 80 mph... Developed near the southern banks of the illinois

Cities Impacted by Hail Map on August 21, 2026

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.

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