Severe Weather in Cook, United States
68 — recorded here, since 10 March 2026
18 in the last 30 days. Most recent: 12 August 2026 (17 days ago).
The strongest of the 40 recorded here since 10 March 2026.
By month
- March 202641
- April 202630
- May 202615
- June 202620
- July 202682
- August 202645
July 2026 is the most active month of the 6 in our series here, with 82 events.
Recent events
- Severe Thunderstorm Warning12 August 2026time not reported by the sourcemediumCS 522 independent sources
- Flood Warning12 August 202601:48 UTCmediumCS 522 independent sources
- D — Woodlawn - Chicago, Cook Co., IL11 August 202616:20 UTCmediumCS 522 independent sources
- Tornado Warning11 August 202615:55 UTCcriticalCS 765 independent sources
- D — Brighton Park - Chicago, Cook Co., IL11 August 202615:53 UTCmediumCS 5213 independent sources
- Tornado Warning11 August 202615:50 UTCcriticalCS 765 independent sources
- Tornado Warning11 August 202615:43 UTCcriticalCS 76
- Severe Thunderstorm Warning10 August 202604:22 UTCmediumCS 526 independent sources
- E — 1 SSW Lakeview - Chicag, Cook Co., IL9 August 202619:30 UTCmediumCS 526 independent sources
- Severe Thunderstorm Warning9 August 202618:25 UTCmediumCS 524 independent sources
- Severe Thunderstorm Warning9 August 202618:03 UTCmediumCS 525 independent sources
- Flood Warning3 August 202601:30 UTCmediumCS 52
- Flood Warning2 August 202615:29 UTCmediumCS 5259 independent sources
- Flood Warning2 August 202615:29 UTCmediumCS 5258 independent sources
- Flood Warning2 August 202605:08 UTCmediumCS 52
- Flood Warning2 August 202605:08 UTCmediumCS 52
- Flood Warning2 August 202604:37 UTCmediumCS 522 independent sources
- R (3 Inch) — 1 SE Chicago Loop, Cook Co., IL1 August 202617:00 UTCmediumCS 462 independent sources
- Flood Warning28 July 202603:48 UTCmediumCS 52
- Flood Warning28 July 202603:48 UTCmediumCS 52
- Flash Flood Warning27 July 202620:36 UTCmediumCS 52
- Flash Flood Warning27 July 202619:19 UTCmediumCS 52
- Flash Flood Warning27 July 202618:57 UTCmediumCS 52
- Flash Flood Warning27 July 202618:05 UTCmediumCS 52
- Severe Thunderstorm Warning27 July 202617:52 UTCmediumCS 46
- Tornado Warning27 July 202617:44 UTCcriticalCS 76
- Tornado Warning27 July 202617:27 UTCcriticalCS 76
- Tornado Warning27 July 202617:23 UTCcriticalCS 76
- Tornado Warning27 July 202617:18 UTCcriticalCS 76
- Severe Thunderstorm Warning4 July 202621:02 UTCmediumCS 52
- Flood Warning4 July 202616:37 UTCmediumCS 523 independent sources
- Flood Warning4 July 202616:37 UTCmediumCS 522 independent sources
- Flood Warning4 July 202606:49 UTCmediumCS 5223 independent sources
- Flood Warning4 July 202605:26 UTCmediumCS 5223 independent sources
- Flash Flood Warning4 July 202605:08 UTCmediumCS 5216 independent sources
- E — 1 WSW Grand Blvd. - Chi, Cook Co., IL4 July 202604:20 UTCmediumCS 522 independent sources
- Severe Thunderstorm Warning4 July 202603:05 UTCmediumCS 522 independent sources
- Severe Thunderstorm Warning4 July 202602:58 UTCmediumCS 523 independent sources
- Severe Thunderstorm Warning4 July 202602:40 UTCmediumCS 523 independent sources
- D — Douglas - Chicago, Cook Co., IL3 July 202618:40 UTCmediumCS 527 independent sources