Alert archive / Illinois / Johnson County / 2025

Weather alerts in Johnson County, Illinois, December 2025

9 weather alerts in December 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Alerts
9
Warnings
0
Watches
1
Advisories
5
Busiest day
December 28, 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.

IssuedProductOfficeLasted
Dec 12, 1:31 PM CSTCold Weather AdvisoryPAH46 hr
Dec 18, 10:26 AM CSTWind AdvisoryPAH14 hr
Dec 18, 10:44 AM CSTMesoscale DiscussionSPC2 hr
Dec 23, 7:09 PM CSTDense Fog AdvisoryPAH17 hr
Dec 26, 11:32 PM CSTDense Fog AdvisoryPAH12 hr
Dec 28, 8:28 AM CSTWind AdvisoryPAH26 hr
Dec 28, 2:47 PM CSTTornado WatchSPC6 hr
Dec 28, 3:49 PM CSTMesoscale DiscussionSPC86 min
Dec 28, 6:15 PM CSTSpecial Weather StatementPAH60 min

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

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. Rebuilt daily.