Alert archive / Illinois / Lake County / 2026

Weather alerts in Lake County, Illinois, April 2026

47 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
47
Warnings
20
Watches
17
Advisories
5
Busiest day
April 15, 202612 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, 1:32 AM CDTWind AdvisoryLOT17 hr
Apr 2, 11:46 AM CDTRiver Flood WatchMKX24 hr
Apr 2, 1:43 PM CDTTornado WatchSPC8 hr
Apr 2, 7:40 PM CDTTornado WarningLOT35 min
Apr 3, 11:43 AM CDTRiver Flood WarningMKX6 days
Apr 3, 3:56 PM CDTFlood WatchLOT18 hr
Apr 3, 9:17 PM CDTRiver Flood WarningLOT8 days
Apr 4, 11:29 AM CDTRiver Flood WatchLOT57 hr
Apr 4, 11:29 AM CDTRiver Flood WarningLOT8 days
Apr 5, 9:01 PM CDTRiver Flood WatchLOT23 hr
Apr 6, 8:23 PM CDTRiver Flood WarningLOT61 hr
Apr 6, 8:26 PM CDTRiver Flood WarningLOT28 days
Apr 9, 9:45 AM CDTRiver Flood WatchLOT24 hr
Apr 10, 4:44 AM CDTRiver Flood WatchMKX29 hr
Apr 14, 12:19 PM CDTRiver Flood WatchMKX23 hr
Apr 14, 2:33 PM CDTTornado WatchSPC9 hr
Apr 14, 7:11 PM CDTFlood WatchLOT30 hr
Apr 14, 8:48 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT57 min
Apr 14, 9:28 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT62 min
Apr 14, 10:33 PM CDTRiver Flood WatchLOT6 hr
Apr 15, 12:24 AM CDTRiver Flood WatchLOT21 days
Apr 15, 12:24 AM CDTRiver Flood WatchLOT6 hr
Apr 15, 3:51 AM CDTAreal Flood AdvisoryLOT3 hr
Apr 15, 4:22 AM CDTRiver Flood WarningLOT11 days
Apr 15, 6:19 AM CDTRiver Flood WarningLOT10 days
Apr 15, 10:32 AM CDTRiver Flood WarningLOT10 days
Apr 15, 10:50 AM CDTRiver Flood WarningMKX15 days
Apr 15, 4:49 PM CDTMesoscale DiscussionSPC86 min
Apr 15, 7:55 PM CDTSevere Thunderstorm WatchSPC4 hr
Apr 15, 9:26 PM CDTMesoscale DiscussionSPC94 min
Apr 16, 7:01 PM CDTDense Fog AdvisoryLOT15 hr
Apr 17, 11:48 AM CDTFlood WatchLOT15 hr
Apr 17, 3:31 PM CDTTornado WatchSPC8 hr
Apr 17, 4:42 PM CDTMesoscale DiscussionSPC2 hr
Apr 17, 8:04 PM CDTTornado WarningLOT56 min
Apr 17, 8:09 PM CDTMesoscale DiscussionSPC2 hr
Apr 17, 8:12 PM CDTFlash Flood WarningLOT6 hr
Apr 17, 8:18 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT72 min
Apr 17, 8:36 PM CDTTornado WarningLOT39 min
Apr 18, 1:54 AM CDTAreal Flood WarningLOT6 hr
Apr 18, 1:29 PM CDTFrost AdvisoryLOT20 hr
Apr 18, 1:29 PM CDTFreeze WatchLOT12 hr
Apr 18, 2:20 PM CDTAreal Flood WarningLOT13 days
Apr 19, 1:52 AM CDTFreeze WarningLOT30 hr
Apr 21, 1:07 PM CDTMesoscale DiscussionSPC113 min
Apr 27, 11:18 AM CDTWind AdvisoryLOT5 hr
Apr 27, 12:50 PM CDTHigh Wind WarningLOT3 hr

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 Warning3
Tornado Warning3
Severe Thunderstorm Watch1
Tornado Watch3
Mesoscale Discussion5
Flooding
Areal Flood Warning2
Flash Flood Warning1
River Flood Warning9
Flood Watch3
River Flood Watch9
Areal Flood Advisory1
Cold
Freeze Warning1
Freeze Watch1
Frost Advisory1
Wind and dust
High Wind Warning1
Wind Advisory2
Fog and smoke
Dense Fog Advisory1

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.