Alert archive / Illinois / Johnson County / 2025
Weather alerts in Johnson County, Illinois, July 2025
18 weather alerts in July 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 18
- Warnings
- 2
- Watches
- 1
- Advisories
- 10
- Busiest day
- July 17, 20253 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 6, 12:09 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 8, 2:13 AM CDT | Dense Fog Advisory | PAH | 6 hr |
| Jul 10, 3:40 AM CDT | Dense Fog Advisory | PAH | 5 hr |
| Jul 12, 11:42 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 13, 1:18 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 16, 1:46 AM CDT | Heat Advisory | PAH | 17 hr |
| Jul 16, 9:57 PM CDT | Heat Advisory | PAH | 21 hr |
| Jul 17, 12:53 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 17, 4:51 PM CDT | Areal Flood Advisory | PAH | 3 hr |
| Jul 18, 1:35 AM CDT | Heat Advisory | PAH | 17 hr |
| Jul 18, 12:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jul 18, 6:09 PM CDT | Areal Flood Advisory | PAH | 3 hr |
| Jul 19, 2:48 AM CDT | Heat Advisory | PAH | 17 hr |
| Jul 19, 2:48 AM CDT | Extreme Heat Warning | PAH | 6 days |
| Jul 19, 4:35 PM CDT | Areal Flood Advisory | PAH | 3 hr |
| Jul 19, 7:46 PM CDT | Heat Advisory | PAH | 9 days |
| Jul 25, 1:41 PM CDT | Extreme Heat Watch | PAH | 3 days |
| Jul 27, 1:50 PM CDT | Extreme Heat Warning | PAH | 3 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 | 5 |
| Flooding | |
| Areal Flood Advisory | 3 |
| Heat | |
| Extreme Heat Warning | 2 |
| Extreme Heat Watch | 1 |
| Heat Advisory | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20242026
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.