Alert archive / Illinois / Cook County / 2026

Weather alerts in Cook County, Illinois, June 2026

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

Alerts
58
Warnings
31
Watches
7
Advisories
11
Busiest day
June 10, 20268 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
Jun 9, 12:39 AM CDTAreal Flood AdvisoryLOT111 min
Jun 10, 2:06 PM CDTMesoscale DiscussionSPC54 min
Jun 10, 2:40 PM CDTSevere Thunderstorm WatchSPC4 hr
Jun 10, 3:04 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT71 min
Jun 10, 3:09 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT67 min
Jun 10, 3:32 PM CDTSevere Thunderstorm Warning Destructive damage threatLOT32 min
Jun 10, 3:55 PM CDTSevere Thunderstorm Warning Destructive damage threatLOT20 min
Jun 10, 3:58 PM CDTMesoscale DiscussionSPC2 hr
Jun 10, 6:54 PM CDTFlood WatchLOT7 hr
Jun 10, 7:55 PM CDTMesoscale DiscussionSPC95 min
Jun 11, 10:05 AM CDTFlood WatchLOT11 hr
Jun 11, 1:57 PM CDTTornado WatchSPC7 hr
Jun 11, 3:00 PM CDTHigh Wind WarningLOT60 min
Jun 11, 6:14 PM CDTMesoscale DiscussionSPC91 min
Jun 11, 7:53 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT52 min
Jun 11, 7:54 PM CDTTornado WarningLOT16 min
Jun 11, 8:07 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT53 min
Jun 11, 8:17 PM CDTTornado WarningLOT28 min
Jun 11, 9:44 PM CDTRiver Flood WarningLOT37 hr
Jun 11, 9:47 PM CDTRiver Flood WarningLOT19 hr
Jun 13, 11:46 PM CDTAreal Flood AdvisoryLOT3 hr
Jun 14, 12:17 AM CDTSevere Thunderstorm WarningLOT43 min
Jun 14, 1:34 AM CDTAreal Flood AdvisoryLOT56 min
Jun 14, 2:30 AM CDTAreal Flood WarningLOT13 hr
Jun 14, 9:13 AM CDTRiver Flood WarningLOT18 hr
Jun 14, 9:18 AM CDTRiver Flood WarningLOT22 hr
Jun 16, 2:19 PM CDTBeach Hazards StatementLOT49 hr
Jun 17, 2:20 AM CDTFlood WatchLOT15 hr
Jun 17, 9:17 AM CDTWind AdvisoryLOT5 hr
Jun 17, 3:10 PM CDTAreal Flood AdvisoryLOT2 hr
Jun 17, 3:55 PM CDTFlash Flood WarningLOT3 hr
Jun 17, 4:47 PM CDTRiver Flood WarningLOT11 hr
Jun 17, 6:06 PM CDTRiver Flood WarningLOT27 hr
Jun 17, 7:02 PM CDTAreal Flood AdvisoryLOT5 hr
Jun 20, 3:11 PM CDTBeach Hazards StatementLOT61 hr
Jun 21, 7:56 PM CDTAreal Flood AdvisoryLOT5 hr
Jun 21, 8:43 PM CDTRiver Flood WarningLOT33 hr
Jun 21, 8:43 PM CDTRiver Flood WarningLOT33 hr
Jun 22, 12:29 AM CDTAreal Flood WarningLOT6 hr
Jun 24, 12:44 PM CDTMesoscale DiscussionSPC3 hr
Jun 24, 1:55 PM CDTSevere Thunderstorm WatchSPC8 hr
Jun 24, 5:28 PM CDTMesoscale DiscussionSPC92 min
Jun 24, 5:57 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT48 min
Jun 24, 6:08 PM CDTTornado WarningLOT37 min
Jun 24, 6:22 PM CDTSevere Thunderstorm WarningLOT53 min
Jun 24, 6:23 PM CDTAreal Flood AdvisoryLOT3 hr
Jun 24, 6:59 PM CDTSevere Thunderstorm WarningLOT44 min
Jun 24, 7:03 PM CDTSevere Thunderstorm WarningLOT70 min
Jun 24, 7:26 PM CDTAreal Flood AdvisoryLOT3 hr
Jun 24, 7:51 PM CDTAreal Flood AdvisoryLOT2 hr
Jun 24, 8:06 PM CDTMesoscale DiscussionSPC84 min
Jun 24, 8:37 PM CDTFlash Flood WarningLOT2 hr
Jun 24, 10:43 PM CDTAreal Flood WarningLOT6 hr
Jun 24, 10:56 PM CDTRiver Flood WarningLOT7 hr
Jun 25, 3:53 AM CDTRiver Flood WarningLOT14 hr
Jun 27, 11:51 AM CDTExtreme Heat WatchLOT23 hr
Jun 28, 11:18 AM CDTExtreme Heat WarningLOT5 days
Jun 28, 4:41 PM CDTWind AdvisoryLOT108 min

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.