Alert archive / Illinois / Will County

Weather alerts in Will County, Illinois, 2026

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

Will County and its neighbors

Each county as a circle sized by its count in 2026. Tap one for its archive.

Alerts
262
Warnings
99
Watches
44
Advisories
73
Busiest month
July60 alerts
Busiest day
July 4, 202621 alerts

Over time

By month

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
Jan 7, 7:15 AM CSTDense Fog AdvisoryLOT5 hr
Jan 8, 7:03 PM CSTAreal Flood AdvisoryLOT3 hr
Jan 8, 7:50 PM CSTMesoscale DiscussionSPC55 min
Jan 8, 7:52 PM CSTAreal Flood AdvisoryLOT3 hr
Jan 8, 8:01 PM CSTFlash Flood WarningLOT2 hr
Jan 8, 9:01 PM CSTFlash Flood WarningLOT90 min
Jan 8, 10:26 PM CSTAreal Flood AdvisoryLOT10 hr
Jan 14, 7:46 AM CSTSpecial Weather StatementLOT44 min
Jan 14, 8:00 AM CSTSnow Squall Warning Significant damage threatLOT60 min
Jan 18, 2:13 AM CSTCold Weather AdvisoryLOT34 hr
Jan 21, 3:01 AM CSTExtreme Cold WatchLOT24 hr
Jan 22, 3:12 AM CSTCold Weather AdvisoryLOT55 hr
Jan 22, 3:12 AM CSTExtreme Cold WarningLOT33 hr
Jan 24, 1:51 AM CSTWinter Weather AdvisoryLOT42 hr
Jan 25, 2:35 AM CSTCold Weather AdvisoryLOT32 hr
Jan 30, 3:02 AM CSTWinter Weather AdvisoryLOT33 hr
Jan 30, 1:42 PM CSTWinter Weather AdvisoryLOT22 hr
Feb 15, 7:24 AM CSTDense Fog AdvisoryLOT3 hr
Feb 16, 5:20 AM CSTDense Fog AdvisoryLOT4 hr
Feb 17, 1:45 PM CSTFire Weather WatchLOT11 hr
Feb 18, 1:00 AM CSTRed Flag WarningLOT17 hr
Feb 19, 1:56 PM CSTWind AdvisoryLOT26 hr
Feb 27, 5:58 AM CSTDense Fog AdvisoryLOT2 hr
Mar 4, 8:34 PM CSTDense Fog AdvisoryLOT37 hr
Mar 6, 2:10 PM CSTMesoscale DiscussionSPC2 hr
Mar 6, 4:59 PM CSTAreal Flood AdvisoryLOT4 hr
Mar 6, 5:02 PM CSTSevere Thunderstorm WatchSPC4 hr
Mar 6, 5:46 PM CSTFlash Flood WarningLOT3 hr
Mar 6, 8:45 PM CSTAreal Flood AdvisoryLOT3 hr
Mar 10, 11:16 AM CDTMesoscale DiscussionSPC29 min
Mar 10, 12:04 PM CDTFlood WatchLOT13 hr
Mar 10, 1:53 PM CDTMesoscale DiscussionSPC3 hr
Mar 10, 4:53 PM CDTMesoscale DiscussionSPC97 min
Mar 10, 5:03 PM CDTSevere Thunderstorm WarningLOT57 min
Mar 10, 5:40 PM CDTSevere Thunderstorm WatchSPC7 hr
Mar 10, 6:02 PM CDTSevere Thunderstorm Warning Destructive damage threatLOT58 min
Mar 10, 6:45 PM CDTSevere Thunderstorm Warning Destructive damage threatLOT75 min
Mar 10, 7:21 PM CDTMesoscale DiscussionSPC84 min
Mar 10, 8:32 PM CDTSevere Thunderstorm WarningLOT28 min
Mar 10, 8:38 PM CDTAreal Flood AdvisoryLOT5 hr
Mar 10, 10:31 PM CDTSevere Thunderstorm WarningLOT44 min
Mar 12, 1:33 AM CDTHigh Wind WatchLOT10 hr
Mar 12, 1:33 AM CDTWind AdvisoryLOT40 hr
Mar 12, 11:28 AM CDTHigh Wind WarningLOT29 hr
Mar 14, 2:00 AM CDTHigh Wind WatchLOT10 hr
Mar 14, 11:57 AM CDTWind AdvisoryLOT30 hr
Mar 15, 9:27 AM CDTWinter Weather AdvisoryLOT39 hr
Mar 15, 5:45 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT30 min
Mar 15, 6:20 PM CDTAreal Flood AdvisoryLOT8 hr
Mar 16, 1:58 AM CDTAreal Flood AdvisoryLOT8 hr
Mar 17, 1:14 AM CDTSpecial Weather StatementLOT61 min
Mar 17, 2:12 AM CDTSpecial Weather StatementLOT48 min
Mar 17, 3:20 AM CDTSpecial Weather StatementLOT55 min
Mar 26, 2:48 PM CDTMesoscale DiscussionSPC117 min
Mar 26, 4:15 PM CDTSevere Thunderstorm WatchSPC8 hr
Mar 30, 9:21 PM CDTSevere Thunderstorm WatchSPC6 hr
Mar 30, 10:04 PM CDTSevere Thunderstorm WarningLOT71 min
Mar 30, 11:29 PM CDTMesoscale DiscussionSPC2 hr
Mar 31, 1:54 AM CDTMesoscale DiscussionSPC96 min
Mar 31, 9:09 AM CDTSevere Thunderstorm WarningLOT52 min
Mar 31, 9:25 AM CDTSevere Thunderstorm WatchSPC6 hr
Mar 31, 9:29 AM CDTSevere Thunderstorm Warning Considerable damage threatLOT61 min
Mar 31, 9:33 AM CDTAreal Flood AdvisoryLOT4 hr
Mar 31, 2:53 PM CDTAreal Flood AdvisoryLOT3 hr
Mar 31, 4:06 PM CDTSevere Thunderstorm WarningLOT23 min
Mar 31, 4:12 PM CDTAreal Flood AdvisoryLOT3 hr
Apr 2, 1:32 AM CDTWind AdvisoryLOT17 hr
Apr 2, 1:43 PM CDTTornado WatchSPC8 hr
Apr 2, 7:30 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT45 min
Apr 2, 8:02 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT58 min
Apr 2, 8:23 PM CDTSevere Thunderstorm WarningLOT67 min
Apr 2, 8:59 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT31 min
Apr 2, 10:13 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT47 min
Apr 2, 10:52 PM CDTSevere Thunderstorm WarningLOT68 min
Apr 3, 3:56 PM CDTFlood WatchLOT18 hr
Apr 3, 4:59 PM CDTMesoscale DiscussionSPC2 hr
Apr 3, 9:46 PM CDTFlash Flood WarningLOT4 hr
Apr 4, 1:59 AM CDTAreal Flood WarningLOT8 hr
Apr 13, 2:06 PM CDTMesoscale DiscussionSPC24 min
Apr 13, 2:07 PM CDTSevere Thunderstorm WarningLOT38 min
Apr 13, 2:09 PM CDTSevere Thunderstorm WatchSPC5 hr
Apr 14, 1:55 PM CDTMesoscale DiscussionSPC2 hr
Apr 14, 7:11 PM CDTFlood WatchLOT30 hr
Apr 15, 9:38 PM CDTSevere Thunderstorm WarningLOT55 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, 8:09 PM CDTMesoscale DiscussionSPC2 hr
Apr 17, 8:47 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT73 min
Apr 17, 9:05 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT70 min
Apr 17, 9:23 PM CDTSevere Thunderstorm WarningLOT82 min
Apr 17, 9:23 PM CDTTornado WarningLOT52 min
Apr 17, 9:41 PM CDTAreal Flood AdvisoryLOT6 hr
Apr 17, 10:31 PM CDTTornado WarningLOT29 min
Apr 18, 1:29 PM CDTFrost AdvisoryLOT20 hr
Apr 18, 1:29 PM CDTFreeze WatchLOT12 hr
Apr 19, 1:52 AM CDTFreeze WarningLOT30 hr
Apr 21, 1:07 PM CDTMesoscale DiscussionSPC113 min
Apr 27, 11:18 AM CDTWind AdvisoryLOT5 hr
May 1, 3:32 AM CDTFrost AdvisoryLOT28 hr
May 4, 2:59 AM CDTBlowing Dust AdvisoryLOT15 hr
May 4, 3:42 PM CDTMesoscale DiscussionSPC2 hr
May 4, 5:06 PM CDTSevere Thunderstorm WarningLOT39 min
May 4, 6:59 PM CDTSevere Thunderstorm WarningLOT31 min
May 6, 1:23 PM CDTFrost AdvisoryLOT19 hr
May 12, 9:36 AM CDTBlowing Dust AdvisoryLOT9 hr
May 18, 8:40 AM CDTMesoscale DiscussionSPC2 hr
May 18, 10:02 AM CDTSevere Thunderstorm WatchSPC7 hr
May 18, 10:13 AM CDTSevere Thunderstorm WarningLOT37 min
Jun 6, 5:39 AM CDTMesoscale DiscussionSPC2 hr
Jun 7, 3:16 PM CDTAreal Flood AdvisoryLOT78 min
Jun 7, 4:31 PM CDTAreal Flood AdvisoryLOT3 hr
Jun 8, 11:20 PM CDTAreal Flood AdvisoryLOT3 hr
Jun 10, 2:06 PM CDTMesoscale DiscussionSPC54 min
Jun 10, 2:40 PM CDTSevere Thunderstorm WatchSPC4 hr
Jun 10, 3:04 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT71 min
Jun 10, 3:22 PM CDTTornado WarningLOT23 min
Jun 10, 3:32 PM CDTSevere Thunderstorm Warning Destructive damage threatLOT32 min
Jun 10, 3:58 PM CDTMesoscale DiscussionSPC2 hr
Jun 10, 6:54 PM CDTFlood WatchLOT7 hr
Jun 10, 7:55 PM CDTMesoscale DiscussionSPC95 min
Jun 10, 8:24 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 11, 10:05 AM CDTFlood WatchLOT11 hr
Jun 11, 1:57 PM CDTTornado WatchSPC7 hr
Jun 11, 2:10 PM CDTSevere Thunderstorm WarningLOT65 min
Jun 11, 3:00 PM CDTHigh Wind WarningLOT60 min
Jun 11, 5:13 PM CDTMesoscale DiscussionSPC62 min
Jun 11, 6:14 PM CDTMesoscale DiscussionSPC91 min
Jun 11, 6:28 PM CDTSevere Thunderstorm WarningLOT62 min
Jun 11, 6:42 PM CDTTornado WarningLOT31 min
Jun 11, 7:20 PM CDTTornado WarningLOT40 min
Jun 11, 7:37 PM CDTAreal Flood AdvisoryLOT3 hr
Jun 11, 7:53 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT52 min
Jun 11, 10:49 PM CDTAreal Flood AdvisoryLOT20 hr
Jun 14, 1:34 AM CDTAreal Flood AdvisoryLOT56 min
Jun 14, 2:30 AM CDTAreal Flood WarningLOT13 hr
Jun 17, 2:20 AM CDTFlood WatchLOT15 hr
Jun 17, 3:10 PM CDTAreal Flood AdvisoryLOT2 hr
Jun 24, 12:44 PM CDTMesoscale DiscussionSPC3 hr
Jun 24, 1:55 PM CDTSevere Thunderstorm WatchSPC8 hr
Jun 24, 6:59 PM CDTSevere Thunderstorm WarningLOT44 min
Jun 24, 7:26 PM CDTAreal Flood AdvisoryLOT3 hr
Jun 24, 8:06 PM CDTMesoscale DiscussionSPC84 min
Jun 28, 2:47 AM CDTHeat AdvisoryLOT47 hr
Jun 28, 11:18 AM CDTExtreme Heat WarningLOT5 days
Jul 2, 7:40 PM CDTMesoscale DiscussionSPC2 hr
Jul 2, 10:51 PM CDTAreal Flood AdvisoryLOT3 hr
Jul 2, 11:43 PM CDTMesoscale DiscussionSPC2 hr
Jul 3, 1:22 AM CDTAreal Flood AdvisoryLOT7 hr
Jul 3, 2:04 AM CDTAreal Flood WarningLOT6 hr
Jul 3, 8:01 AM CDTAreal Flood AdvisoryLOT3 hr
Jul 3, 11:15 AM CDTMesoscale DiscussionSPC2 hr
Jul 3, 11:52 AM CDTSevere Thunderstorm WatchSPC6 hr
Jul 3, 2:02 PM CDTSevere Thunderstorm WarningLOT43 min
Jul 3, 2:40 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT59 min
Jul 3, 4:26 PM CDTSevere Thunderstorm WarningLOT49 min
Jul 3, 5:05 PM CDTMesoscale DiscussionSPC115 min
Jul 3, 6:37 PM CDTSevere Thunderstorm WatchSPC6 hr
Jul 3, 8:32 PM CDTFlood WatchLOT4 hr
Jul 3, 8:33 PM CDTMesoscale DiscussionSPC117 min
Jul 3, 9:15 PM CDTSevere Thunderstorm WarningLOT60 min
Jul 3, 9:23 PM CDTAreal Flood AdvisoryLOT4 hr
Jul 3, 9:43 PM CDTAreal Flood AdvisoryLOT3 hr
Jul 3, 10:05 PM CDTSevere Thunderstorm WarningLOT53 min
Jul 3, 10:50 PM CDTFlash Flood WarningLOT108 min
Jul 4, 12:38 AM CDTAreal Flood WarningLOT11 hr
Jul 4, 9:39 AM CDTFlood WatchLOT10 hr
Jul 4, 11:24 AM CDTMesoscale DiscussionSPC3 hr
Jul 4, 12:33 PM CDTSevere Thunderstorm WatchSPC6 hr
Jul 4, 3:19 PM CDTSevere Thunderstorm WarningLOT56 min
Jul 4, 3:24 PM CDTFlash Flood WarningLOT5 hr
Jul 4, 3:50 PM CDTSevere Thunderstorm WarningLOT55 min
Jul 4, 3:51 PM CDTMesoscale DiscussionSPC84 min
Jul 4, 4:19 PM CDTFlash Flood WarningLOT3 hr
Jul 4, 4:35 PM CDTFlash Flood Warning Considerable damage threatLOT2 hr
Jul 4, 4:45 PM CDTAreal Flood AdvisoryLOT2 hr
Jul 4, 5:21 PM CDTRiver Flood WarningLOT31 hr
Jul 4, 6:48 PM CDTAreal Flood WarningLOT14 hr
Jul 4, 6:50 PM CDTAreal Flood WarningLOT14 hr
Jul 4, 8:22 PM CDTRiver Flood WarningLOT13 hr
Jul 4, 8:57 PM CDTRiver Flood WarningLOT49 hr
Jul 5, 8:20 AM CDTAreal Flood AdvisoryLOT6 hr
Jul 5, 8:24 AM CDTAreal Flood AdvisoryLOT3 hr
Jul 5, 2:44 PM CDTRiver Flood WarningLOT15 hr
Jul 18, 11:37 AM CDTMesoscale DiscussionSPC113 min
Jul 18, 12:20 PM CDTSevere Thunderstorm WatchSPC5 hr
Jul 27, 2:10 AM CDTHeat AdvisoryLOT14 hr
Jul 27, 2:10 AM CDTExtreme Heat WarningLOT19 hr
Jul 27, 9:40 AM CDTMesoscale DiscussionSPC3 hr
Jul 27, 11:39 AM CDTSevere Thunderstorm Warning Considerable damage threatLOT81 min
Jul 27, 11:42 AM CDTSevere Thunderstorm WatchSPC7 hr
Jul 27, 12:10 PM CDTTornado WarningLOT46 min
Jul 27, 12:15 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT75 min
Jul 27, 12:24 PM CDTMesoscale DiscussionSPC96 min
Jul 27, 12:31 PM CDTTornado WarningLOT13 min
Jul 27, 12:49 PM CDTSevere Thunderstorm Warning Destructive damage threatLOT41 min
Jul 27, 12:50 PM CDTTornado WarningLOT43 min
Jul 27, 1:05 PM CDTFlash Flood WarningLOT4 hr
Jul 27, 1:08 PM CDTSevere Thunderstorm Warning Destructive damage threatLOT33 min
Jul 27, 3:13 PM CDTTornado WarningLOT47 min
Jul 27, 3:26 PM CDTSevere Thunderstorm WarningLOT64 min
Jul 27, 3:36 PM CDTFlash Flood WarningLOT3 hr
Jul 27, 3:48 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT57 min
Jul 27, 4:53 PM CDTSevere Thunderstorm WarningLOT67 min
Jul 27, 8:55 PM CDTMesoscale DiscussionSPC95 min
Aug 1, 4:55 AM CDTAreal Flood AdvisoryLOT6 hr
Aug 1, 6:09 AM CDTAreal Flood AdvisoryLOT5 hr
Aug 1, 6:25 AM CDTFlash Flood WarningLOT3 hr
Aug 1, 8:13 AM CDTRiver Flood WarningLOT6 hr
Aug 1, 8:13 AM CDTRiver Flood WarningLOT20 hr
Aug 1, 9:09 AM CDTAreal Flood WarningLOT6 hr
Aug 1, 10:22 AM CDTFlood WatchLOT11 hr
Aug 1, 2:16 PM CDTAreal Flood AdvisoryLOT5 hr
Aug 1, 2:49 PM CDTAreal Flood AdvisoryLOT4 hr
Aug 1, 4:01 PM CDTAreal Flood AdvisoryLOT3 hr
Aug 1, 5:44 PM CDTAreal Flood WarningLOT6 hr
Aug 1, 7:00 PM CDTAreal Flood AdvisoryLOT6 hr
Aug 1, 10:56 PM CDTRiver Flood WarningLOT13 hr
Aug 1, 11:37 PM CDTAreal Flood WarningLOT11 hr
Aug 7, 2:46 AM CDTDense Fog AdvisoryLOT6 hr
Aug 9, 1:36 PM CDTSevere Thunderstorm WarningLOT54 min
Aug 9, 2:10 PM CDTAreal Flood AdvisoryLOT3 hr
Aug 9, 2:51 PM CDTSevere Thunderstorm WarningLOT24 min
Aug 9, 3:14 PM CDTSevere Thunderstorm WarningLOT76 min
Aug 9, 5:03 PM CDTFlood WatchLOT10 hr
Aug 9, 8:14 PM CDTMesoscale DiscussionSPC2 hr
Aug 9, 8:43 PM CDTSevere Thunderstorm WatchSPC7 hr
Aug 9, 10:53 PM CDTMesoscale DiscussionSPC2 hr
Aug 10, 12:47 PM CDTMesoscale DiscussionSPC2 hr
Aug 10, 5:15 PM CDTMesoscale DiscussionSPC2 hr
Aug 10, 6:21 PM CDTSevere Thunderstorm WatchSPC7 hr
Aug 11, 7:22 AM CDTSevere Thunderstorm WatchSPC6 hr
Aug 11, 9:00 AM CDTMesoscale DiscussionSPC2 hr
Aug 11, 10:10 AM CDTTornado WarningLOT50 min
Aug 11, 10:17 AM CDTSevere Thunderstorm Warning Destructive damage threatLOT58 min
Aug 11, 10:20 AM CDTSevere Thunderstorm Warning Considerable damage threatLOT55 min
Aug 11, 10:27 AM CDTTornado WarningLOT37 min
Aug 11, 10:36 AM CDTAreal Flood AdvisoryLOT3 hr
Aug 11, 10:36 AM CDTTornado WarningLOT28 min
Aug 11, 10:49 AM CDTSevere Thunderstorm Warning Destructive damage threatLOT56 min
Aug 11, 8:04 PM CDTMesoscale DiscussionSPC2 hr
Aug 12, 6:41 AM CDTSevere Thunderstorm WatchSPC6 hr
Aug 12, 9:04 AM CDTMesoscale DiscussionSPC116 min
Aug 12, 9:26 AM CDTSevere Thunderstorm WarningLOT64 min
Aug 12, 9:29 AM CDTAreal Flood AdvisoryLOT3 hr
Aug 12, 9:37 AM CDTFlash Flood WarningLOT3 hr
Aug 12, 12:17 PM CDTAreal Flood AdvisoryLOT118 min
Aug 13, 2:08 AM CDTFlood WatchLOT32 hr
Aug 13, 2:42 AM CDTDense Fog AdvisoryLOT6 hr
Aug 14, 12:01 PM CDTFlood WatchLOT22 hr
Aug 15, 9:12 AM CDTAreal Flood AdvisoryLOT3 hr
Aug 15, 6:39 PM CDTFlood WatchLOT13 hr
Aug 21, 2:57 PM CDTSevere Thunderstorm WatchSPC9 hr
Aug 31, 12:24 PM CDTHeat AdvisoryLOT33 hr
Aug 31, 12:24 PM CDTHeat AdvisoryLOT3 days
Sep 3, 7:56 PM CDTHeat AdvisoryLOT25 hr
Sep 10, 3:11 AM CDTDense Fog AdvisoryLOT5 hr
Sep 17, 6:37 AM CDTAreal Flood AdvisoryLOT5 hr
Sep 18, 1:47 PM CDTFlood WatchLOT47 hr
Sep 19, 10:06 PM CDTRiver Flood WatchLOT23 hr
Sep 20, 3:48 AM CDTAreal Flood AdvisoryLOT6 hr
Sep 20, 4:59 AM CDTAreal Flood AdvisoryLOT3 hr

By product

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

The busiest days

Days with the most alerts issued, by UTC date.

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. Rebuilt daily.