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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 9, 12:39 AM CDT | Areal Flood Advisory | LOT | 111 min |
| Jun 10, 2:06 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Jun 10, 2:40 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 10, 3:04 PM CDT | Severe Thunderstorm Warning | LOT | 71 min |
| Jun 10, 3:09 PM CDT | Severe Thunderstorm Warning | LOT | 67 min |
| Jun 10, 3:32 PM CDT | Severe Thunderstorm Warning | LOT | 32 min |
| Jun 10, 3:55 PM CDT | Severe Thunderstorm Warning | LOT | 20 min |
| Jun 10, 3:58 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 10, 6:54 PM CDT | Flood Watch | LOT | 7 hr |
| Jun 10, 7:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 11, 10:05 AM CDT | Flood Watch | LOT | 11 hr |
| Jun 11, 1:57 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 11, 3:00 PM CDT | High Wind Warning | LOT | 60 min |
| Jun 11, 6:14 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 11, 7:53 PM CDT | Severe Thunderstorm Warning | LOT | 52 min |
| Jun 11, 7:54 PM CDT | Tornado Warning | LOT | 16 min |
| Jun 11, 8:07 PM CDT | Severe Thunderstorm Warning | LOT | 53 min |
| Jun 11, 8:17 PM CDT | Tornado Warning | LOT | 28 min |
| Jun 11, 9:44 PM CDT | River Flood Warning | LOT | 37 hr |
| Jun 11, 9:47 PM CDT | River Flood Warning | LOT | 19 hr |
| Jun 13, 11:46 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jun 14, 12:17 AM CDT | Severe Thunderstorm Warning | LOT | 43 min |
| Jun 14, 1:34 AM CDT | Areal Flood Advisory | LOT | 56 min |
| Jun 14, 2:30 AM CDT | Areal Flood Warning | LOT | 13 hr |
| Jun 14, 9:13 AM CDT | River Flood Warning | LOT | 18 hr |
| Jun 14, 9:18 AM CDT | River Flood Warning | LOT | 22 hr |
| Jun 16, 2:19 PM CDT | Beach Hazards Statement | LOT | 49 hr |
| Jun 17, 2:20 AM CDT | Flood Watch | LOT | 15 hr |
| Jun 17, 9:17 AM CDT | Wind Advisory | LOT | 5 hr |
| Jun 17, 3:10 PM CDT | Areal Flood Advisory | LOT | 2 hr |
| Jun 17, 3:55 PM CDT | Flash Flood Warning | LOT | 3 hr |
| Jun 17, 4:47 PM CDT | River Flood Warning | LOT | 11 hr |
| Jun 17, 6:06 PM CDT | River Flood Warning | LOT | 27 hr |
| Jun 17, 7:02 PM CDT | Areal Flood Advisory | LOT | 5 hr |
| Jun 20, 3:11 PM CDT | Beach Hazards Statement | LOT | 61 hr |
| Jun 21, 7:56 PM CDT | Areal Flood Advisory | LOT | 5 hr |
| Jun 21, 8:43 PM CDT | River Flood Warning | LOT | 33 hr |
| Jun 21, 8:43 PM CDT | River Flood Warning | LOT | 33 hr |
| Jun 22, 12:29 AM CDT | Areal Flood Warning | LOT | 6 hr |
| Jun 24, 12:44 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 24, 1:55 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 24, 5:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 24, 5:57 PM CDT | Severe Thunderstorm Warning | LOT | 48 min |
| Jun 24, 6:08 PM CDT | Tornado Warning | LOT | 37 min |
| Jun 24, 6:22 PM CDT | Severe Thunderstorm Warning | LOT | 53 min |
| Jun 24, 6:23 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jun 24, 6:59 PM CDT | Severe Thunderstorm Warning | LOT | 44 min |
| Jun 24, 7:03 PM CDT | Severe Thunderstorm Warning | LOT | 70 min |
| Jun 24, 7:26 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jun 24, 7:51 PM CDT | Areal Flood Advisory | LOT | 2 hr |
| Jun 24, 8:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 24, 8:37 PM CDT | Flash Flood Warning | LOT | 2 hr |
| Jun 24, 10:43 PM CDT | Areal Flood Warning | LOT | 6 hr |
| Jun 24, 10:56 PM CDT | River Flood Warning | LOT | 7 hr |
| Jun 25, 3:53 AM CDT | River Flood Warning | LOT | 14 hr |
| Jun 27, 11:51 AM CDT | Extreme Heat Watch | LOT | 23 hr |
| Jun 28, 11:18 AM CDT | Extreme Heat Warning | LOT | 5 days |
| Jun 28, 4:41 PM CDT | Wind Advisory | LOT | 108 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 11 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 7 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 2 |
| River Flood Warning | 10 |
| Flood Watch | 3 |
| Areal Flood Advisory | 9 |
| Heat | |
| Extreme Heat Warning | 1 |
| Extreme Heat Watch | 1 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 2 |
| Coast and beach | |
| Beach Hazards Statement | 2 |
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.