Alert archive / Illinois / Stephenson County / 2026

Weather alerts in Stephenson County, Illinois, April 2026

34 weather alerts in April 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Alerts
34
Warnings
17
Watches
6
Advisories
0
Busiest day
April 17, 202611 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
Apr 2, 12:28 PM CDTMesoscale DiscussionSPC3 hr
Apr 2, 1:43 PM CDTTornado WatchSPC8 hr
Apr 2, 4:26 PM CDTMesoscale DiscussionSPC94 min
Apr 2, 6:04 PM CDTSevere Thunderstorm WarningDVN56 min
Apr 14, 1:18 AM CDTSpecial Weather StatementDVN42 min
Apr 14, 12:56 PM CDTMesoscale DiscussionSPC2 hr
Apr 14, 2:33 PM CDTTornado WatchSPC9 hr
Apr 14, 6:36 PM CDTMesoscale DiscussionSPC114 min
Apr 14, 7:24 PM CDTSevere Thunderstorm Warning Considerable damage threatDVN81 min
Apr 14, 7:45 PM CDTTornado WarningDVN35 min
Apr 14, 7:58 PM CDTFlash Flood WarningDVN3 hr
Apr 14, 8:32 PM CDTMesoscale DiscussionSPC88 min
Apr 15, 2:50 AM CDTFlood WatchDVN20 hr
Apr 15, 12:31 PM CDTRiver Flood WarningDVN8 hr
Apr 15, 3:40 PM CDTTornado WatchSPC6 hr
Apr 15, 4:49 PM CDTMesoscale DiscussionSPC86 min
Apr 15, 6:05 PM CDTTornado WarningDVN40 min
Apr 15, 6:15 PM CDTMesoscale DiscussionSPC2 hr
Apr 15, 7:14 PM CDTFlash Flood WarningDVN3 hr
Apr 15, 7:59 PM CDTTornado WarningDVN20 min
Apr 17, 10:15 AM CDTRiver Flood WarningDVN6 days
Apr 17, 11:48 AM CDTMesoscale DiscussionSPC2 hr
Apr 17, 12:40 PM CDTTornado WatchSPC9 hr
Apr 17, 12:46 PM CDTFlood WatchDVN12 hr
Apr 17, 2:48 PM CDTTornado WarningDVN42 min
Apr 17, 3:27 PM CDTTornado WarningDVN48 min
Apr 17, 4:09 PM CDTTornado WarningDVN39 min
Apr 17, 5:02 PM CDTSevere Thunderstorm WarningDVN8 min
Apr 17, 5:30 PM CDTSevere Thunderstorm Warning Considerable damage threatDVN75 min
Apr 17, 6:25 PM CDTMesoscale DiscussionSPC2 hr
Apr 17, 6:42 PM CDTSevere Thunderstorm WarningDVN29 min
Apr 19, 2:10 AM CDTFreeze WarningDVN30 hr
Apr 23, 11:46 PM CDTTornado WarningDVN25 min
Apr 27, 7:53 PM CDTSpecial Weather StatementDVN67 min

By product

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

ProductAlerts
Severe storms
Severe Thunderstorm Warning5
Tornado Warning7
Tornado Watch4
Mesoscale Discussion9
Special Weather Statement2
Flooding
Flash Flood Warning2
River Flood Warning2
Flood Watch2
Cold
Freeze Warning1

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.