Alert archive / Illinois / Clark County / 2026
Weather alerts in Clark County, Illinois, May 2026
8 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
- 8
- Warnings
- 0
- Watches
- 3
- Advisories
- 2
- Busiest day
- May 18, 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, 6:29 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 4, 9:31 PM CDT | Mesoscale Discussion | SPC | 119 min |
| May 9, 2:03 AM CDT | Dense Fog Advisory | ILX | 6 hr |
| May 16, 3:46 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 18, 10:02 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 18, 11:24 AM CDT | Flood Watch | ILX | 11 hr |
| May 19, 12:31 PM CDT | Mesoscale Discussion | SPC | 119 min |
| May 28, 2:15 AM CDT | Dense Fog Advisory | ILX | 6 hr |
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 Watch | 2 |
| Mesoscale Discussion | 3 |
| Flooding | |
| Flood Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 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. Rebuilt daily.