Cook County, IL hail & storm history
81 mph
strongest wind gust
31 hail reports, 86 wind reports, 6 tornado reports. Tracking runs from July 10, 2026 to August 12, 2026.
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Recent reports
August 12, 2026 — wind
Report on social media of additional tree limbs fell during the storms this morning. Time estimated by radar.
August 12, 2026 — wind
Report on social media of additional tree limbs fell during the storms this morning. Time estimated by radar. (LOT)
August 11, 2026 — wind
Large 9 inch diameter tree branches down on road.
August 11, 2026 — wind
Large 9 inch diameter tree branches down on road. (LOT)
August 11, 2026 — wind (70 mph)
August 11, 2026 — wind (70 mph)
(LOT)
August 11, 2026 — wind (81 mph)
Private weather station.
August 11, 2026 — wind (81 mph)
Private weather station.
August 11, 2026 — wind (81 mph)
Private weather station. (LOT)
August 11, 2026 — wind
large branches downed, relayed by social media.
August 11, 2026 — wind
7 trailers blown over in industrial area. time estimated by radar.
August 11, 2026 — wind
7 trailers blown over in industrial area. time estimated by radar. (LOT)
August 11, 2026 — wind (57 mph)
Private weather station: KILOAKFO13.
August 11, 2026 — wind
widespread tree damage south side of town.
August 11, 2026 — wind
trees uprooted. relayed by social media.
August 11, 2026 — wind
widespread tree damage south side of town. (LOT)
August 11, 2026 — wind
trees uprooted. relayed by social media. (LOT)
August 11, 2026 — wind
report of significant roof damage and windows blown out of a shopping center and nearby residential building.
August 11, 2026 — wind
report of significant roof damage and windows blown out of a shopping center and nearby residential building. (LOT)
August 11, 2026 — wind
Photo on social media showed large tree limbs blown down near 23rd Street and Des Plaines Avenue.
August 11, 2026 — wind
Photo on social media showed large tree limbs blown down near 23rd Street and Des Plaines Avenue. (LOT)
August 11, 2026 — wind
Photo on social media showed a large pine tree on a house on 83rd Avenue between 131st Street and 135th Street.
August 11, 2026 — wind
Photo on social media showed a large pine tree on a house on 83rd Avenue between 131st Street and 135th Street. (LOT)
August 9, 2026 — wind
Trees downed on 149th Street in Posen. Time estimated from radar.
August 9, 2026 — wind
Multiple large trees down blocking multiple roadways along State Street between Freehauf and Keepataw Drive. Time estimated.
When did a storm last hit Cook County?
The most recent recorded storm report in Cook County was on August 12, 2026.
How big was the largest hail in Cook County?
The largest recorded hail in Cook County measured 1.75" across 31 reports.
Has Cook County had damaging wind?
Wind gusts up to 81 mph have been reported in Cook County across 86 reports.
Has a tornado been reported in Cook County?
Yes — 6 tornado reports are on file for Cook County.