Alert archive / Illinois / DuPage County / 2026
Weather alerts in DuPage County, Illinois, July 2026
51 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
- 51
- Warnings
- 24
- Watches
- 6
- Advisories
- 10
- Busiest day
- July 3, 202618 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 |
|---|---|---|---|
| Jul 2, 7:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 8:58 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jul 2, 9:44 PM CDT | Severe Thunderstorm Warning | LOT | 46 min |
| Jul 2, 10:17 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jul 2, 10:26 PM CDT | Severe Thunderstorm Warning | LOT | 64 min |
| Jul 2, 10:51 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jul 2, 11:17 PM CDT | Flash Flood Warning | LOT | 3 hr |
| Jul 2, 11:43 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 3, 1:22 AM CDT | Areal Flood Advisory | LOT | 7 hr |
| Jul 3, 2:04 AM CDT | Areal Flood Warning | LOT | 6 hr |
| Jul 3, 7:59 AM CDT | Areal Flood Warning | LOT | 10 hr |
| Jul 3, 8:01 AM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jul 3, 11:15 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 3, 11:52 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 3, 12:42 PM CDT | Severe Thunderstorm Warning | LOT | 63 min |
| Jul 3, 1:20 PM CDT | Mesoscale Discussion | SPC | 55 min |
| Jul 3, 5:05 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jul 3, 6:37 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 3, 8:32 PM CDT | Flood Watch | LOT | 4 hr |
| Jul 3, 8:33 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jul 3, 9:15 PM CDT | Severe Thunderstorm Warning | LOT | 60 min |
| Jul 3, 9:23 PM CDT | Areal Flood Advisory | LOT | 4 hr |
| Jul 4, 12:51 AM CDT | Areal Flood Advisory | LOT | 18 hr |
| Jul 4, 9:39 AM CDT | Flood Watch | LOT | 10 hr |
| Jul 4, 12:33 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 4, 3:07 PM CDT | Flash Flood Warning | LOT | 6 hr |
| Jul 4, 3:19 PM CDT | Severe Thunderstorm Warning | LOT | 56 min |
| Jul 4, 3:24 PM CDT | Flash Flood Warning | LOT | 5 hr |
| Jul 4, 3:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 4, 3:55 PM CDT | Flash Flood Warning | LOT | 3 hr |
| Jul 4, 4:35 PM CDT | Flash Flood Warning | LOT | 2 hr |
| Jul 4, 5:21 PM CDT | River Flood Warning | LOT | 31 hr |
| Jul 4, 6:48 PM CDT | Areal Flood Warning | LOT | 14 hr |
| Jul 4, 6:50 PM CDT | Areal Flood Warning | LOT | 14 hr |
| Jul 5, 8:20 AM CDT | Areal Flood Advisory | LOT | 6 hr |
| Jul 5, 8:22 AM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jul 5, 2:44 PM CDT | River Flood Warning | LOT | 15 hr |
| Jul 27, 2:10 AM CDT | Heat Advisory | LOT | 14 hr |
| Jul 27, 7:52 AM CDT | Mesoscale Discussion | SPC | 113 min |
| Jul 27, 9:40 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 27, 11:09 AM CDT | Severe Thunderstorm Warning | LOT | 51 min |
| Jul 27, 11:39 AM CDT | Severe Thunderstorm Warning | LOT | 81 min |
| Jul 27, 11:42 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 27, 11:55 AM CDT | Tornado Warning | LOT | 33 min |
| Jul 27, 12:02 PM CDT | Flash Flood Warning | LOT | 4 hr |
| Jul 27, 12:10 PM CDT | Tornado Warning | LOT | 46 min |
| Jul 27, 12:24 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jul 27, 4:08 PM CDT | Severe Thunderstorm Warning | LOT | 82 min |
| Jul 27, 4:53 PM CDT | Severe Thunderstorm Warning | LOT | 67 min |
| Jul 27, 5:28 PM CDT | Severe Thunderstorm Warning | LOT | 17 min |
| Jul 27, 8:55 PM CDT | Mesoscale Discussion | SPC | 95 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 | 10 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 4 |
| Mesoscale Discussion | 11 |
| Flooding | |
| Areal Flood Warning | 4 |
| Flash Flood Warning | 6 |
| River Flood Warning | 2 |
| Flood Watch | 2 |
| Areal Flood Advisory | 9 |
| Heat | |
| Heat Advisory | 1 |
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.