Alert archive / Illinois / Williamson County / 2026
Weather alerts in Williamson County, Illinois, May 2026
6 weather alerts in May 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 6
- Warnings
- 0
- Watches
- 1
- Advisories
- 3
- Busiest day
- May 19, 20262 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 |
|---|---|---|---|
| May 4, 1:56 AM CDT | Lake Wind Advisory | PAH | 18 hr |
| May 16, 2:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 16, 11:42 PM CDT | Lake Wind Advisory | PAH | 19 hr |
| May 18, 12:51 AM CDT | Lake Wind Advisory | PAH | 15 hr |
| May 19, 11:35 AM CDT | Flood Watch | PAH | 18 hr |
| May 19, 12:31 PM CDT | Mesoscale Discussion | SPC | 119 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 | |
| Mesoscale Discussion | 2 |
| Flooding | |
| Flood Watch | 1 |
| Wind and dust | |
| Lake Wind Advisory | 3 |
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. Rebuilt daily.