Alert archive / Illinois / Stephenson County / 2025

Weather alerts in Stephenson County, Illinois, August 2025

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

Alerts
15
Warnings
3
Watches
4
Advisories
1
Busiest day
August 18, 20255 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
Aug 7, 1:31 PM CDTHeat AdvisoryDVN29 hr
Aug 8, 2:15 PM CDTFlood WatchDVN53 hr
Aug 9, 2:54 PM CDTMesoscale DiscussionSPC96 min
Aug 12, 3:37 AM CDTSpecial Weather StatementDVN38 min
Aug 15, 5:52 PM CDTMesoscale DiscussionSPC83 min
Aug 16, 1:56 PM CDTSevere Thunderstorm WatchSPC5 hr
Aug 16, 7:03 PM CDTSevere Thunderstorm WarningDVN45 min
Aug 16, 8:06 PM CDTMesoscale DiscussionSPC84 min
Aug 16, 8:53 PM CDTSevere Thunderstorm WarningDVN38 min
Aug 16, 9:33 PM CDTFlood WatchDVN12 hr
Aug 18, 11:10 AM CDTMesoscale DiscussionSPC95 min
Aug 18, 12:07 PM CDTSpecial Weather StatementDVN68 min
Aug 18, 12:13 PM CDTSevere Thunderstorm WatchSPC9 hr
Aug 18, 5:34 PM CDTSpecial Weather StatementDVN56 min
Aug 18, 5:53 PM CDTSevere Thunderstorm WarningDVN52 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. Warning verification from the Mesonet's Cow. Rebuilt daily.