Alert archive / Illinois / Lake County / 2026
Weather alerts in Lake County, Illinois, September 2026
16 weather alerts in September 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 16
- Warnings
- 3
- Watches
- 5
- Advisories
- 2
- Busiest day
- September 19, 20266 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 |
|---|---|---|---|
| Sep 3, 7:56 PM CDT | Heat Advisory | LOT | 25 hr |
| Sep 4, 12:41 PM CDT | Beach Hazards Statement | LOT | 6 hr |
| Sep 4, 9:01 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 14, 3:08 AM CDT | Beach Hazards Statement | LOT | 28 hr |
| Sep 17, 2:39 PM CDT | Beach Hazards Statement | LOT | 24 hr |
| Sep 18, 1:47 PM CDT | Flood Watch | LOT | 47 hr |
| Sep 18, 3:02 PM CDT | Beach Hazards Statement | LOT | 28 hr |
| Sep 19, 3:29 AM CDT | Areal Flood Advisory | LOT | 8 hr |
| Sep 19, 9:38 AM CDT | River Flood Watch | LOT | 21 days |
| Sep 19, 9:38 AM CDT | River Flood Watch | LOT | 49 hr |
| Sep 19, 9:38 AM CDT | River Flood Watch | LOT | 21 days |
| Sep 19, 12:27 PM CDT | River Flood Watch | MKX | 22 hr |
| Sep 19, 2:50 PM CDT | Beach Hazards Statement | LOT | 5 days |
| Sep 20, 9:14 AM CDT | River Flood Warning | LOT | 21 days |
| Sep 20, 9:35 AM CDT | River Flood Warning | MKX | 5 days |
| Sep 21, 10:21 AM CDT | River Flood Warning | LOT | 7 days |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Mesoscale Discussion | 1 |
| Flooding | |
| River Flood Warning | 3 |
| Flood Watch | 1 |
| River Flood Watch | 4 |
| Areal Flood Advisory | 1 |
| Heat | |
| Heat Advisory | 1 |
| Coast and beach | |
| Beach Hazards Statement | 5 |
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.