Alert archive / Illinois / Cook County / 2026

Weather alerts in Cook County, Illinois, July 2026

73 weather alerts in July 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Alerts
73
Warnings
42
Watches
6
Advisories
12
Busiest day
July 4, 202624 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeLasted
Jul 2, 7:40 PM CDTMesoscale DiscussionSPC2 hr
Jul 2, 8:58 PM CDTAreal Flood AdvisoryLOT3 hr
Jul 2, 9:44 PM CDTSevere Thunderstorm WarningLOT46 min
Jul 2, 10:17 PM CDTAreal Flood AdvisoryLOT3 hr
Jul 2, 10:26 PM CDTSevere Thunderstorm WarningLOT64 min
Jul 2, 10:51 PM CDTAreal Flood AdvisoryLOT3 hr
Jul 2, 11:43 PM CDTMesoscale DiscussionSPC2 hr
Jul 3, 1:22 AM CDTAreal Flood AdvisoryLOT7 hr
Jul 3, 7:59 AM CDTAreal Flood WarningLOT10 hr
Jul 3, 8:01 AM CDTAreal Flood AdvisoryLOT3 hr
Jul 3, 11:15 AM CDTMesoscale DiscussionSPC2 hr
Jul 3, 11:52 AM CDTSevere Thunderstorm WatchSPC6 hr
Jul 3, 12:42 PM CDTSevere Thunderstorm WarningLOT63 min
Jul 3, 1:05 PM CDTSevere Thunderstorm WarningLOT40 min
Jul 3, 1:20 PM CDTMesoscale DiscussionSPC55 min
Jul 3, 2:11 PM CDTAreal Flood AdvisoryLOT3 hr
Jul 3, 2:27 PM CDTSevere Thunderstorm WarningLOT48 min
Jul 3, 5:05 PM CDTMesoscale DiscussionSPC115 min
Jul 3, 6:37 PM CDTSevere Thunderstorm WatchSPC6 hr
Jul 3, 8:32 PM CDTFlood WatchLOT4 hr
Jul 3, 8:33 PM CDTMesoscale DiscussionSPC117 min
Jul 3, 9:15 PM CDTSevere Thunderstorm WarningLOT60 min
Jul 3, 9:43 PM CDTAreal Flood AdvisoryLOT3 hr
Jul 3, 10:05 PM CDTSevere Thunderstorm WarningLOT53 min
Jul 3, 10:09 PM CDTFlash Flood WarningLOT2 hr
Jul 3, 10:38 PM CDTFlash Flood Warning Considerable damage threatLOT3 hr
Jul 3, 10:50 PM CDTFlash Flood WarningLOT108 min
Jul 3, 11:39 PM CDTRiver Flood WarningLOT67 hr
Jul 4, 12:26 AM CDTRiver Flood WarningLOT5 hr
Jul 4, 12:38 AM CDTAreal Flood WarningLOT11 hr
Jul 4, 12:51 AM CDTAreal Flood AdvisoryLOT18 hr
Jul 4, 9:39 AM CDTFlood WatchLOT10 hr
Jul 4, 12:33 PM CDTSevere Thunderstorm WatchSPC6 hr
Jul 4, 3:07 PM CDTFlash Flood WarningLOT6 hr
Jul 4, 3:50 PM CDTSevere Thunderstorm WarningLOT55 min
Jul 4, 3:51 PM CDTMesoscale DiscussionSPC84 min
Jul 4, 3:55 PM CDTFlash Flood Warning Considerable damage threatLOT3 hr
Jul 4, 4:19 PM CDTFlash Flood WarningLOT3 hr
Jul 4, 5:09 PM CDTFlash Flood Warning Considerable damage threatLOT109 min
Jul 4, 5:18 PM CDTFlash Flood WarningLOT100 min
Jul 4, 6:48 PM CDTAreal Flood WarningLOT14 hr
Jul 4, 6:48 PM CDTAreal Flood WarningLOT14 hr
Jul 4, 6:50 PM CDTAreal Flood WarningLOT14 hr
Jul 4, 7:50 PM CDTRiver Flood WarningLOT41 hr
Jul 5, 8:20 AM CDTAreal Flood AdvisoryLOT6 hr
Jul 5, 8:22 AM CDTAreal Flood AdvisoryLOT3 hr
Jul 5, 8:24 AM CDTAreal Flood AdvisoryLOT3 hr
Jul 18, 3:50 AM CDTBeach Hazards StatementLOT36 hr
Jul 21, 2:33 AM CDTBeach Hazards StatementLOT49 hr
Jul 27, 2:10 AM CDTHeat AdvisoryLOT14 hr
Jul 27, 3:57 AM CDTBeach Hazards StatementLOT54 hr
Jul 27, 7:52 AM CDTMesoscale DiscussionSPC113 min
Jul 27, 9:40 AM CDTMesoscale DiscussionSPC3 hr
Jul 27, 10:57 AM CDTSevere Thunderstorm WarningLOT78 min
Jul 27, 11:39 AM CDTSevere Thunderstorm Warning Considerable damage threatLOT81 min
Jul 27, 11:42 AM CDTSevere Thunderstorm WatchSPC7 hr
Jul 27, 12:02 PM CDTFlash Flood WarningLOT4 hr
Jul 27, 12:10 PM CDTTornado WarningLOT46 min
Jul 27, 12:14 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT33 min
Jul 27, 12:15 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT75 min
Jul 27, 12:37 PM CDTSevere Thunderstorm WarningLOT53 min
Jul 27, 12:49 PM CDTSevere Thunderstorm Warning Destructive damage threatLOT41 min
Jul 27, 12:50 PM CDTTornado WarningLOT43 min
Jul 27, 12:55 PM CDTTornado WarningLOT38 min
Jul 27, 1:05 PM CDTFlash Flood WarningLOT4 hr
Jul 27, 1:28 PM CDTSevere Thunderstorm WarningLOT20 min
Jul 27, 1:37 PM CDTSevere Thunderstorm WarningLOT26 min
Jul 27, 3:09 PM CDTRiver Flood WarningLOT11 hr
Jul 27, 4:08 PM CDTSevere Thunderstorm WarningLOT82 min
Jul 27, 4:53 PM CDTSevere Thunderstorm WarningLOT67 min
Jul 27, 5:28 PM CDTSevere Thunderstorm WarningLOT17 min
Jul 27, 7:56 PM CDTRiver Flood WarningLOT19 hr
Jul 31, 3:32 AM CDTBeach Hazards StatementLOT3 days

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive2025

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.