Alert archive / Illinois / Johnson County / 2026
Weather alerts in Johnson County, Illinois, January 2026
9 weather alerts in January 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 9
- Warnings
- 2
- Watches
- 1
- Advisories
- 5
- Busiest day
- January 21, 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 |
|---|---|---|---|
| Jan 8, 4:10 AM CST | Dense Fog Advisory | PAH | 5 hr |
| Jan 8, 7:15 PM CST | Wind Advisory | PAH | 8 hr |
| Jan 21, 2:46 AM CST | Winter Storm Watch | PAH | 33 hr |
| Jan 21, 5:27 AM CST | Winter Weather Advisory | PAH | 5 hr |
| Jan 22, 11:58 AM CST | Winter Storm Warning | PAH | 3 days |
| Jan 22, 12:00 PM CST | Cold Weather Advisory | PAH | 4 days |
| Jan 24, 10:12 AM CST | Extreme Cold Warning | PAH | 72 hr |
| Jan 24, 11:00 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Jan 29, 12:58 PM CST | Cold Weather Advisory | PAH | 47 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 | |
| Mesoscale Discussion | 1 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 1 |
| Cold | |
| Extreme Cold Warning | 1 |
| Cold Weather Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog 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.