Alert archive / Illinois / 2022

Weather alerts in Illinois, September 2022

160 weather alerts in September 2022, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in September 2022. Tap one for its archive.

Alerts
160
Warnings
74
Watches
11
Advisories
36
Busiest day
September 19, 202261 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.

IssuedProductOfficeCountiesLasted
Sep 2, 2:52 PM CDTSmall Craft AdvisoryLOT60 hr
Sep 2, 2:53 PM CDTBeach Hazards StatementLOTCook, Lake67 hr
Sep 3, 3:28 AM CDTDense Fog AdvisoryLSXAdams, Brown, Pike5 hr
Sep 3, 1:06 PM CDTMesoscale DiscussionSPCAlexander, Gallatin, Hardin, Johnson, Massac, Pope and 2 more2 hr
Sep 3, 4:16 PM CDTSpecial Weather StatementDVNWhiteside29 min
Sep 3, 4:32 PM CDTSpecial Weather StatementDVNWhiteside28 min
Sep 3, 5:21 PM CDTSpecial Weather StatementDVNHenry, Rock Island24 min
Sep 3, 5:51 PM CDTSpecial Weather StatementDVNHenry39 min
Sep 3, 5:59 PM CDTSpecial Weather StatementILXKnox31 min
Sep 3, 6:25 PM CDTSpecial Weather StatementILXKnox20 min
Sep 3, 6:30 PM CDTSpecial Weather StatementDVNKnox30 min
Sep 3, 6:43 PM CDTSpecial Weather StatementILXKnox17 min
Sep 3, 7:34 PM CDTSpecial Weather StatementDVNHenderson, Warren41 min
Sep 3, 7:50 PM CDTFlash Flood WarningDVNHenderson111 min
Sep 3, 11:18 PM CDTFlash Flood WarningILXMacon3 hr
Sep 3, 11:43 PM CDTAreal Flood AdvisoryLSXWashington4 hr
Sep 4, 3:28 AM CDTAreal Flood AdvisoryLSXBond, Clinton56 min
Sep 4, 4:24 AM CDTFlash Flood WarningLSXBond, Clinton3 hr
Sep 4, 5:52 AM CDTAreal Flood AdvisoryLSXClinton, Saint Clair3 hr
Sep 4, 7:20 AM CDTFlash Flood WarningPAHJefferson3 hr
Sep 4, 8:17 AM CDTAreal Flood AdvisoryLSXMontgomery51 min
Sep 4, 9:06 AM CDTFlash Flood WarningLSXMontgomery5 hr
Sep 4, 3:07 PM CDTFlash Flood WarningILXMacon3 hr
Sep 4, 5:38 PM CDTAreal Flood AdvisoryPAHPope, Saline3 hr
Sep 4, 7:57 PM CDTAreal Flood AdvisoryPAHMassac2 hr
Sep 5, 3:30 AM CDTAreal Flood AdvisoryLSXMarion3 hr
Sep 5, 2:19 PM CDTAreal Flood AdvisoryPAHEdwards, Wabash118 min
Sep 6, 2:27 AM CDTDense Fog AdvisoryILXKnox5 hr
Sep 6, 2:31 AM CDTDense Fog AdvisoryDVNHancock, Henderson, Henry, McDonough, Mercer, Rock Island and 1 more6 hr
Sep 7, 4:27 AM CDTDense Fog AdvisoryLOTBoone, DeKalb, Kane, McHenry5 hr
Sep 10, 3:58 AM CDTSmall Craft AdvisoryLOT54 hr
Sep 10, 4:09 AM CDTBeach Hazards StatementLOTCook, Lake59 hr
Sep 11, 2:37 AM CDTFlood WatchDVNCarroll, Jo Daviess, Stephenson28 hr
Sep 11, 2:38 AM CDTFlood WatchLOTBoone, Cook, DeKalb, DuPage, Kane, Kendall and 6 more31 hr
Sep 11, 5:15 AM CDTAreal Flood AdvisoryLOTLee, Ogle, Winnebago108 min
Sep 11, 6:03 AM CDTSpecial Weather StatementLOTLaSalle27 min
Sep 11, 6:28 AM CDTSpecial Weather StatementLOTKendall32 min
Sep 11, 7:03 AM CDTAreal Flood WarningLOTBoone, DeKalb, Lee, McHenry, Ogle, Winnebago10 hr
Sep 11, 7:17 AM CDTSpecial Weather StatementLOTDuPage58 min
Sep 11, 7:56 AM CDTAreal Flood AdvisoryLOTCook, DuPage, Kane, Kendall, Will113 min
Sep 11, 8:34 AM CDTRiver Flood WatchDVNStephenson49 hr
Sep 11, 8:35 AM CDTRiver Flood WatchDVNHenry, Rock Island, Whiteside25 hr
Sep 11, 8:41 AM CDTRiver Flood WatchLOTWinnebago25 hr
Sep 11, 9:11 AM CDTFlash Flood WarningLOTCook, DuPage, Will3 hr
Sep 11, 9:43 AM CDTSpecial Marine WarningLOT62 min
Sep 11, 10:34 AM CDTAreal Flood WarningLOTDeKalb, Kendall, LaSalle, McHenry, Ogle6 hr
Sep 11, 10:46 AM CDTAreal Flood AdvisoryLOTCook3 hr
Sep 11, 12:14 PM CDTAreal Flood WarningLOTCook4 hr
Sep 11, 1:34 PM CDTAreal Flood AdvisoryLOTCook, DuPage, Kane, Lake, McHenry3 hr
Sep 11, 2:19 PM CDTAreal Flood AdvisoryLOTCook, Lake3 hr
Sep 11, 3:38 PM CDTAreal Flood WarningLOTLake, McHenry9 hr
Sep 11, 3:54 PM CDTAreal Flood WarningLOTCook9 hr
Sep 11, 4:01 PM CDTRiver Flood WarningLOTWinnebago17 hr
Sep 11, 4:35 PM CDTAreal Flood WarningLOTBoone, Winnebago6 hr
Sep 11, 4:40 PM CDTSpecial Marine WarningLOT50 min
Sep 11, 4:55 PM CDTBeach Hazards StatementLOTCook4 hr
Sep 11, 10:01 PM CDTRiver Flood WatchLOTCook, Lake21 days
Sep 11, 10:04 PM CDTRiver Flood WatchLOTCook21 days
Sep 12, 1:33 PM CDTSpecial Marine WarningLOT3 hr
Sep 12, 9:10 PM CDTSmall Craft AdvisoryLOT18 hr
Sep 15, 2:36 AM CDTDense Fog AdvisoryLOTCook, DeKalb, DuPage, Ford, Grundy, Iroquois and 8 more6 hr
Sep 15, 3:44 AM CDTDense Fog AdvisoryDVNBureau, Carroll, Jo Daviess, Putnam, Stephenson, Whiteside5 hr
Sep 18, 2:30 AM CDTSpecial Weather StatementDVNHancock45 min
Sep 18, 11:31 AM CDTFlood WatchDVNHancock16 hr
Sep 18, 3:56 PM CDTMesoscale DiscussionSPCHancock, Henderson2 hr
Sep 18, 6:11 PM CDTTornado WatchSPCAdams, Hancock, Henderson, McDonough, Mercer, Rock Island and 1 more6 hr
Sep 18, 8:18 PM CDTSevere Thunderstorm WarningDVNBureau, Henry42 min
Sep 18, 8:24 PM CDTSevere Thunderstorm WarningILXMarshall, Stark36 min
Sep 18, 8:41 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Fulton, Hancock, Henderson and 12 more3 hr
Sep 18, 9:15 PM CDTSevere Thunderstorm WarningDVNHenry, Rock Island45 min
Sep 18, 9:28 PM CDTSevere Thunderstorm WatchSPCBrown, Bureau, Cass, Champaign, Christian, Coles and 42 more7 hr
Sep 18, 9:29 PM CDTSevere Thunderstorm WarningDVNRock Island15 min
Sep 18, 9:35 PM CDTSevere Thunderstorm WarningLOTDeKalb, LaSalle, Lee37 min
Sep 18, 9:37 PM CDTSevere Thunderstorm WarningDVNHancock53 min
Sep 18, 9:47 PM CDTSevere Thunderstorm WarningDVNHenry28 min
Sep 18, 9:47 PM CDTTornado WarningDVNHancock28 min
Sep 18, 9:52 PM CDTSevere Thunderstorm WarningLSXAdams53 min
Sep 18, 9:56 PM CDTTornado WarningLSXAdams36 min
Sep 18, 10:01 PM CDTSevere Thunderstorm WarningLSXAdams32 min
Sep 18, 10:11 PM CDTSevere Thunderstorm WarningDVNBureau, Henry34 min
Sep 18, 10:14 PM CDTSevere Thunderstorm WarningILXMarshall, Stark46 min
Sep 18, 10:30 PM CDTTornado WarningDVNBureau, Putnam15 min
Sep 18, 10:30 PM CDTSevere Thunderstorm WarningILXFulton, Peoria, Tazewell, Woodford30 min
Sep 18, 10:32 PM CDTSevere Thunderstorm Warning Considerable damage threatLSXAdams, Brown, Pike58 min
Sep 18, 10:39 PM CDTTornado WarningILXMarshall36 min
Sep 18, 10:40 PM CDTSpecial Weather StatementLOTDuPage, Kane50 min
Sep 18, 10:43 PM CDTSevere Thunderstorm WarningLOTCook, DuPage, Kane47 min
Sep 18, 10:46 PM CDTSevere Thunderstorm Warning Considerable damage threatILXMarshall, Peoria, Stark, Woodford44 min
Sep 18, 10:46 PM CDTSpecial Marine WarningLOT89 min
Sep 18, 10:55 PM CDTSevere Thunderstorm WarningLSXAdams, Pike50 min
Sep 18, 10:58 PM CDTSevere Thunderstorm WarningILXMcLean, Peoria, Tazewell, Woodford32 min
Sep 18, 11:00 PM CDTSevere Thunderstorm WarningILXCass, Morgan, Scott30 min
Sep 18, 11:04 PM CDTSevere Thunderstorm WarningLOTLivingston41 min
Sep 18, 11:25 PM CDTSpecial Weather StatementLOTCook35 min
Sep 18, 11:26 PM CDTSevere Thunderstorm WarningILXMcLean, Marshall, Woodford34 min
Sep 18, 11:27 PM CDTSevere Thunderstorm WarningILXMorgan, Scott33 min
Sep 18, 11:28 PM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Christian and 30 more2 hr
Sep 18, 11:32 PM CDTSevere Thunderstorm WarningDVNHancock19 min
Sep 18, 11:33 PM CDTSevere Thunderstorm WarningLOTLivingston42 min
Sep 18, 11:41 PM CDTSevere Thunderstorm WarningILXMcLean34 min
Sep 19, 12:00 AM CDTSevere Thunderstorm WarningILXMcLean, Tazewell, Woodford30 min
Sep 19, 12:09 AM CDTSpecial Marine WarningLOT96 min
Sep 19, 12:10 AM CDTSevere Thunderstorm WarningILXChampaign, DeWitt, McLean, Piatt50 min
Sep 19, 12:16 AM CDTSpecial Weather StatementLOTKankakee59 min
Sep 19, 12:29 AM CDTSevere Thunderstorm WarningILXCass, Fulton, Mason, Menard, Schuyler46 min
Sep 19, 12:34 AM CDTTornado WarningILXDeWitt, McLean, Piatt26 min
Sep 19, 12:36 AM CDTSevere Thunderstorm WarningLSXBrown24 min
Sep 19, 12:45 AM CDTAreal Flood AdvisoryILXMcLean2 hr
Sep 19, 12:49 AM CDTSevere Thunderstorm WarningDVNHancock56 min
Sep 19, 12:50 AM CDTSevere Thunderstorm WarningILXCass, Morgan, Schuyler25 min
Sep 19, 12:54 AM CDTSevere Thunderstorm WarningILXChampaign, DeWitt, McLean, Piatt51 min
Sep 19, 12:56 AM CDTSpecial Weather StatementLOTFord64 min
Sep 19, 1:15 AM CDTSevere Thunderstorm WarningILXCass, Morgan, Sangamon, Scott45 min
Sep 19, 1:21 AM CDTSevere Thunderstorm WarningILXChampaign, Douglas, Edgar, Vermilion39 min
Sep 19, 1:41 AM CDTSevere Thunderstorm WarningDVNHancock14 min
Sep 19, 1:41 AM CDTAreal Flood AdvisoryILXChampaign2 hr
Sep 19, 1:47 AM CDTAreal Flood AdvisoryILXMorgan118 min
Sep 19, 1:47 AM CDTSevere Thunderstorm WarningLSXMacoupin, Montgomery43 min
Sep 19, 1:53 AM CDTSevere Thunderstorm WarningILXChampaign, Coles, Douglas, Edgar, Vermilion52 min
Sep 19, 1:58 AM CDTMesoscale DiscussionSPCBrown, Cass, Champaign, Christian, Clark, Coles and 25 more92 min
Sep 19, 2:21 AM CDTSpecial Weather StatementLOTFord54 min
Sep 19, 2:23 AM CDTSevere Thunderstorm WarningDVNHancock, McDonough52 min
Sep 19, 2:37 AM CDTSpecial Weather StatementILXMorgan23 min
Sep 19, 3:52 AM CDTSevere Thunderstorm WarningILXCass, Mason, Schuyler38 min
Sep 19, 4:28 AM CDTSpecial Weather StatementILXClay, Effingham, Jasper, Richland32 min
Sep 19, 5:19 AM CDTFlash Flood WarningILXChristian, Menard, Sangamon2 hr
Sep 19, 5:55 AM CDTSpecial Weather StatementILXRichland35 min
Sep 20, 4:02 AM CDTSmall Craft AdvisoryLOT24 hr
Sep 20, 12:22 PM CDTBeach Hazards StatementLOTCook, Lake7 hr
Sep 20, 2:31 PM CDTSpecial Weather StatementDVNJo Daviess44 min
Sep 20, 3:27 PM CDTSpecial Weather StatementLOTWinnebago48 min
Sep 20, 3:34 PM CDTMesoscale DiscussionSPCBoone, Carroll, DeKalb, Kane, Kendall, Lee and 4 more116 min
Sep 20, 3:45 PM CDTSevere Thunderstorm WarningLOTBoone, Winnebago60 min
Sep 20, 4:29 PM CDTSevere Thunderstorm WarningLOTDeKalb, Kane, McHenry76 min
Sep 20, 4:37 PM CDTSevere Thunderstorm WarningLOTBoone, DeKalb, Ogle, Winnebago23 min
Sep 20, 4:54 PM CDTSevere Thunderstorm WatchSPCCook, DeKalb, DuPage, Kane, Kendall, Lake and 2 more2 hr
Sep 20, 5:22 PM CDTSpecial Weather StatementLOTKane38 min
Sep 20, 5:31 PM CDTSevere Thunderstorm WarningLOTCook, DuPage, Lake59 min
Sep 20, 5:34 PM CDTSevere Thunderstorm WarningLOTDuPage, Kane56 min
Sep 20, 5:57 PM CDTSpecial Marine WarningLOT2 hr
Sep 20, 6:14 PM CDTSevere Thunderstorm WarningLOTCook, DuPage, Will51 min
Sep 20, 6:16 PM CDTSpecial Weather StatementLOTCook44 min
Sep 21, 4:02 AM CDTSmall Craft AdvisoryLOT48 hr
Sep 21, 4:04 AM CDTBeach Hazards StatementLOTCook, Lake48 hr
Sep 21, 10:35 AM CDTFlash Flood WarningDVNHancock4 hr
Sep 21, 11:25 AM CDTSpecial Weather StatementDVNMcDonough35 min
Sep 21, 11:36 AM CDTSpecial Weather StatementILXFulton24 min
Sep 24, 3:02 AM CDTDense Fog AdvisoryDVNHancock, Henderson, McDonough, Warren7 hr
Sep 24, 3:07 PM CDTSmall Craft AdvisoryLOT4 days
Sep 24, 3:08 PM CDTBeach Hazards StatementLOTCook, Lake4 days
Sep 25, 6:24 PM CDTSpecial Marine WarningLOT3 hr
Sep 25, 6:42 PM CDTSevere Thunderstorm WarningLOTLake, McHenry46 min
Sep 25, 7:10 PM CDTSpecial Marine WarningLOT2 hr
Sep 27, 1:39 PM CDTFrost AdvisoryLSXAdams, Brown18 hr
Sep 27, 1:53 PM CDTFrost AdvisoryDVNBureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more18 hr
Sep 27, 2:04 PM CDTFrost AdvisoryILXCass, DeWitt, Fulton, Knox, Logan, McLean and 11 more18 hr
Sep 27, 2:44 PM CDTFrost AdvisoryLOTDeKalb, LaSalle, Lee, Ogle, Winnebago15 hr
Sep 28, 3:00 PM CDTFrost AdvisoryDVNBureau, Carroll, Henry, Jo Daviess, Mercer, Putnam and 3 more16 hr
Sep 28, 3:01 PM CDTFrost AdvisoryILXKnox, Marshall, Stark16 hr
Sep 28, 3:11 PM CDTFrost AdvisoryLOTBoone, DeKalb, LaSalle, Lee, McHenry, Ogle and 1 more16 hr

By product

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

By county

Every county with at least one alert. A county page lists each alert that covered it.

50 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20212023

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.