Alert archive / Illinois / 2015

Weather alerts in Illinois, August 2015

164 weather alerts in August 2015, 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 August 2015. Tap one for its archive.

Alerts
164
Warnings
61
Watches
6
Advisories
35
Busiest day
August 18, 201537 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
Aug 1, 3:41 PM CDTSmall Craft AdvisoryLOT26 hr
Aug 2, 1:25 PM CDTSpecial Weather StatementLOTDeKalb50 min
Aug 2, 1:51 PM CDTSpecial Weather StatementLOTKane39 min
Aug 2, 1:54 PM CDTSevere Thunderstorm WarningLOTDeKalb, DuPage, Kane51 min
Aug 2, 2:21 PM CDTSevere Thunderstorm WarningLOTCook, DuPage39 min
Aug 2, 2:29 PM CDTSpecial Marine WarningLOT2 hr
Aug 2, 2:35 PM CDTSevere Thunderstorm WarningLOTCook25 min
Aug 2, 2:58 PM CDTSevere Thunderstorm WarningLOTCook17 min
Aug 2, 3:01 PM CDTSpecial Weather StatementLOTCook29 min
Aug 2, 5:24 PM CDTGale WarningLOT5 hr
Aug 2, 8:02 PM CDTMesoscale DiscussionSPCCook, Lake118 min
Aug 2, 8:23 PM CDTSpecial Marine WarningLOT112 min
Aug 2, 8:30 PM CDTSpecial Weather StatementLOTLake45 min
Aug 2, 8:30 PM CDTSevere Thunderstorm WatchSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 24 more5 hr
Aug 2, 8:45 PM CDTTornado WarningLOTLake20 min
Aug 2, 8:49 PM CDTSevere Thunderstorm WarningDVNRock Island26 min
Aug 2, 9:07 PM CDTSpecial Weather StatementDVNRock Island23 min
Aug 2, 9:11 PM CDTSevere Thunderstorm WarningLOTLake, McHenry64 min
Aug 2, 9:18 PM CDTSevere Thunderstorm WarningDVNHenry, Rock Island27 min
Aug 2, 9:42 PM CDTSevere Thunderstorm WarningLOTCook, Lake, McHenry63 min
Aug 2, 9:44 PM CDTSpecial Weather StatementDVNBureau46 min
Aug 2, 9:48 PM CDTSpecial Weather StatementLOTBoone42 min
Aug 2, 9:49 PM CDTSpecial Marine WarningLOT116 min
Aug 2, 10:00 PM CDTSpecial Weather StatementLOTCook, DuPage, Kane45 min
Aug 2, 10:07 PM CDTSpecial Weather StatementDVNPutnam38 min
Aug 2, 10:13 PM CDTSpecial Marine WarningLOT92 min
Aug 2, 10:15 PM CDTSevere Thunderstorm WarningLOTCook, DuPage, Kane, McHenry45 min
Aug 2, 10:28 PM CDTSevere Thunderstorm WarningLOTCook32 min
Aug 2, 10:44 PM CDTSevere Thunderstorm WarningLOTCook31 min
Aug 2, 10:54 PM CDTSevere Thunderstorm WarningLOTCook, DuPage, Kane66 min
Aug 2, 11:00 PM CDTSevere Thunderstorm WarningLOTCook9 min
Aug 2, 11:19 PM CDTMesoscale DiscussionSPCFord, Grundy, Iroquois, Kankakee, Will86 min
Aug 2, 11:22 PM CDTSevere Thunderstorm WarningLOTCook, DuPage, Kendall, Will53 min
Aug 2, 11:45 PM CDTSpecial Marine WarningLOT60 min
Aug 3, 12:28 AM CDTSpecial Weather StatementLOTKankakee47 min
Aug 4, 2:44 PM CDTFlash Flood WatchLSXBond, Clinton, Madison, Marion, Monroe, Randolph and 2 more25 hr
Aug 4, 3:22 PM CDTFlash Flood WatchPAHAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more37 hr
Aug 4, 3:36 PM CDTSpecial Weather StatementPAHFranklin, Gallatin, Hamilton, Jefferson, Perry, White54 min
Aug 4, 3:42 PM CDTAreal Flood AdvisoryPAHFranklin, Perry2 hr
Aug 4, 3:55 PM CDTAreal Flood AdvisoryPAHGallatin2 hr
Aug 4, 4:14 PM CDTFlash Flood WarningPAHFranklin, Perry2 hr
Aug 4, 5:02 PM CDTAreal Flood AdvisoryPAHWhite118 min
Aug 4, 5:18 PM CDTSpecial Weather StatementPAHEdwards, Wabash, Wayne42 min
Aug 5, 9:36 PM CDTAreal Flood AdvisoryLSXMadison, Saint Clair6 hr
Aug 5, 10:36 PM CDTFlash Flood WarningLSXMadison, Saint Clair8 hr
Aug 6, 5:01 AM CDTAreal Flood AdvisoryPAHEdwards3 hr
Aug 8, 2:34 AM CDTDense Fog AdvisoryPAHEdwards, Gallatin, Hamilton, Hardin, Massac, Pope and 4 more6 hr
Aug 8, 2:54 AM CDTDense Fog AdvisoryILXClark, Clay, Crawford, Cumberland, Effingham, Jasper and 2 more6 hr
Aug 9, 6:04 AM CDTSpecial Weather StatementDVNHancock, Henderson, McDonough, Mercer, Warren56 min
Aug 9, 6:15 AM CDTAreal Flood AdvisoryLOTFord, Livingston3 hr
Aug 9, 6:42 AM CDTSpecial Weather StatementLSXBrown48 min
Aug 9, 7:14 AM CDTSpecial Weather StatementILXCass46 min
Aug 9, 9:56 AM CDTSpecial Weather StatementILXShelby64 min
Aug 9, 3:55 PM CDTMesoscale DiscussionSPCAlexander, Franklin, Jackson, Johnson, Monroe, Perry and 6 more2 hr
Aug 9, 5:45 PM CDTSevere Thunderstorm WatchSPCMonroe, Randolph4 hr
Aug 9, 7:35 PM CDTSevere Thunderstorm WarningLSXMonroe, Randolph, Saint Clair55 min
Aug 9, 8:12 PM CDTSpecial Weather StatementPAHJackson, Perry63 min
Aug 9, 8:23 PM CDTSevere Thunderstorm WarningLSXClinton, Monroe, Saint Clair, Washington52 min
Aug 9, 8:29 PM CDTSevere Thunderstorm WarningLSXMonroe, Randolph, Saint Clair, Washington46 min
Aug 9, 8:34 PM CDTSevere Thunderstorm WarningPAHJackson, Perry41 min
Aug 9, 8:35 PM CDTSevere Thunderstorm WarningLSXClinton, Jersey, Macoupin, Madison, Saint Clair40 min
Aug 9, 9:02 PM CDTFlash Flood WarningLSXMadison, Saint Clair8 hr
Aug 10, 4:42 AM CDTDense Fog AdvisoryILXCass, Champaign, DeWitt, Fulton, Knox, Logan and 12 more4 hr
Aug 10, 4:47 AM CDTDense Fog AdvisoryLOTFord, Grundy, Iroquois, Kankakee, LaSalle, Lee and 1 more5 hr
Aug 10, 5:03 AM CDTDense Fog AdvisoryDVNBureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more3 hr
Aug 10, 12:27 PM CDTSpecial Weather StatementLOTKane48 min
Aug 10, 1:19 PM CDTSpecial Weather StatementLOTKendall71 min
Aug 10, 1:43 PM CDTSpecial Weather StatementLOTLake62 min
Aug 10, 2:22 PM CDTSpecial Weather StatementLOTKane38 min
Aug 10, 3:20 PM CDTSpecial Weather StatementLOTDuPage, Kane40 min
Aug 10, 3:38 PM CDTSevere Thunderstorm WarningLOTDuPage37 min
Aug 10, 3:45 PM CDTSmall Craft AdvisoryLOT30 hr
Aug 10, 4:01 PM CDTSpecial Marine WarningLOT89 min
Aug 10, 4:06 PM CDTSpecial Weather StatementLOTWill39 min
Aug 10, 4:28 PM CDTSpecial Weather StatementLOTKane47 min
Aug 10, 4:43 PM CDTSpecial Weather StatementLOTDeKalb47 min
Aug 10, 5:23 PM CDTSpecial Weather StatementLOTKendall52 min
Aug 10, 6:15 PM CDTSpecial Weather StatementLOTGrundy45 min
Aug 12, 3:20 PM CDTSmall Craft AdvisoryLOT30 hr
Aug 14, 8:09 PM CDTSpecial Weather StatementLOTLake21 min
Aug 14, 8:13 PM CDTSpecial Marine WarningLOT62 min
Aug 14, 8:43 PM CDTSpecial Weather StatementLOTMcHenry32 min
Aug 14, 9:08 PM CDTSpecial Marine WarningLOT67 min
Aug 15, 1:43 PM CDTMesoscale DiscussionSPCBoone, DeKalb, DuPage, Ford, Grundy, Iroquois and 11 more2 hr
Aug 15, 2:24 PM CDTSpecial Weather StatementLOTDeKalb51 min
Aug 15, 2:42 PM CDTSpecial Weather StatementLOTCook48 min
Aug 15, 2:57 PM CDTSpecial Weather StatementLOTBoone48 min
Aug 15, 3:26 PM CDTSpecial Weather StatementLOTDuPage49 min
Aug 15, 3:41 PM CDTSpecial Weather StatementLOTKendall49 min
Aug 15, 3:47 PM CDTSevere Thunderstorm WarningLOTIroquois28 min
Aug 17, 2:25 PM CDTSpecial Weather StatementLOTWill20 min
Aug 17, 2:53 PM CDTSpecial Weather StatementLOTWill22 min
Aug 17, 4:17 PM CDTSpecial Marine WarningLOT58 min
Aug 17, 4:35 PM CDTSevere Thunderstorm WarningLOTLake26 min
Aug 17, 4:50 PM CDTSpecial Weather StatementLOTBoone, McHenry55 min
Aug 17, 6:12 PM CDTSpecial Weather StatementLOTWill48 min
Aug 17, 6:15 PM CDTSpecial Weather StatementLOTBoone45 min
Aug 17, 6:41 PM CDTSpecial Weather StatementDVNHenry64 min
Aug 17, 8:40 PM CDTSpecial Weather StatementLOTCook35 min
Aug 17, 8:46 PM CDTSpecial Marine WarningLOT59 min
Aug 17, 9:08 PM CDTAreal Flood AdvisoryLOTCook, DuPage3 hr
Aug 17, 9:34 PM CDTFlash Flood WarningLOTCook, DuPage6 hr
Aug 18, 3:41 AM CDTAreal Flood AdvisoryLOTCook, Kankakee, Livingston, Will6 hr
Aug 18, 4:03 AM CDTAreal Flood AdvisoryLOTKankakee6 hr
Aug 18, 7:55 AM CDTAreal Flood AdvisoryLOTFord, Iroquois, Livingston3 hr
Aug 18, 12:49 PM CDTMesoscale DiscussionSPCAdams, Brown, Bureau, Calhoun, Carroll, Cass and 33 more116 min
Aug 18, 1:15 PM CDTSevere Thunderstorm WatchSPCAdams, Bond, Brown, Calhoun, Cass, Christian and 25 more8 hr
Aug 18, 1:35 PM CDTTornado WatchSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 33 more8 hr
Aug 18, 2:06 PM CDTSpecial Weather StatementDVNWarren24 min
Aug 18, 2:32 PM CDTSpecial Weather StatementDVNMercer43 min
Aug 18, 2:53 PM CDTSpecial Weather StatementDVNWarren37 min
Aug 18, 3:13 PM CDTSevere Thunderstorm WarningDVNWarren23 min
Aug 18, 3:14 PM CDTSevere Thunderstorm WarningILXFulton, Knox46 min
Aug 18, 3:14 PM CDTSevere Thunderstorm WarningLSXCalhoun, Jersey46 min
Aug 18, 3:16 PM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Christian and 27 more119 min
Aug 18, 3:51 PM CDTSpecial Weather StatementDVNHenderson24 min
Aug 18, 3:53 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, DeKalb, Henderson, Henry and 16 more2 hr
Aug 18, 4:03 PM CDTSpecial Weather StatementDVNMcDonough27 min
Aug 18, 4:18 PM CDTTornado WarningLOTLivingston42 min
Aug 18, 4:19 PM CDTSpecial Weather StatementILXCass, Fulton, Morgan, Scott41 min
Aug 18, 4:26 PM CDTSevere Thunderstorm WarningDVNHenry, Mercer, Rock Island64 min
Aug 18, 4:33 PM CDTSevere Thunderstorm WarningILXFulton, Mason42 min
Aug 18, 4:36 PM CDTAreal Flood AdvisoryLSXMacoupin4 hr
Aug 18, 4:39 PM CDTSevere Thunderstorm WarningLSXMacoupin, Montgomery51 min
Aug 18, 4:51 PM CDTSevere Thunderstorm WarningILXFulton, Peoria39 min
Aug 18, 4:53 PM CDTSpecial Weather StatementDVNWarren37 min
Aug 18, 5:02 PM CDTSevere Thunderstorm WarningLSXBond, Madison, Montgomery43 min
Aug 18, 5:07 PM CDTTornado Warning Tornado observedLOTLivingston38 min
Aug 18, 5:19 PM CDTSevere Thunderstorm WarningILXPeoria, Stark29 min
Aug 18, 5:24 PM CDTSevere Thunderstorm WarningLSXFayette, Montgomery51 min
Aug 18, 5:40 PM CDTFlash Flood WarningDVNCarroll, Jo Daviess, Stephenson, Whiteside6 hr
Aug 18, 6:07 PM CDTTornado WarningILXMcLean, Tazewell, Woodford23 min
Aug 18, 6:19 PM CDTSevere Thunderstorm WarningLOTGrundy, Kendall, LaSalle, Livingston56 min
Aug 18, 6:35 PM CDTMesoscale DiscussionSPCAlexander, Bond, Champaign, Christian, Clark, Clay and 41 more115 min
Aug 18, 6:53 PM CDTSpecial Weather StatementLOTGrundy, Kendall, Livingston52 min
Aug 18, 7:03 PM CDTFlash Flood WarningLOTOgle, Winnebago7 hr
Aug 18, 7:15 PM CDTTornado WarningLOTWill30 min
Aug 18, 7:36 PM CDTSevere Thunderstorm WarningLOTGrundy, Kankakee, Kendall, Will39 min
Aug 18, 7:41 PM CDTSpecial Weather StatementLOTDuPage34 min
Aug 18, 7:59 PM CDTSpecial Weather StatementLOTCook46 min
Aug 18, 8:00 PM CDTMesoscale DiscussionSPCBoone, Cook, DeKalb, DuPage, Ford, Grundy and 9 more90 min
Aug 18, 8:05 PM CDTTornado WarningLOTDuPage25 min
Aug 18, 8:09 PM CDTSpecial Weather StatementILXEdgar36 min
Aug 18, 8:11 PM CDTFlash Flood WarningLOTCook, DuPage, Lake, Will6 hr
Aug 18, 8:11 PM CDTSpecial Marine WarningLOT94 min
Aug 18, 8:20 PM CDTSevere Thunderstorm WarningLOTCook25 min
Aug 18, 8:26 PM CDTAreal Flood AdvisoryLSXBond3 hr
Aug 19, 3:22 AM CDTSmall Craft AdvisoryLOT43 hr
Aug 19, 4:33 AM CDTRiver Flood AdvisoryLOTWill36 hr
Aug 22, 3:48 PM CDTSmall Craft AdvisoryLOT71 hr
Aug 22, 4:16 PM CDTSpecial Weather StatementLSXRandolph44 min
Aug 22, 5:29 PM CDTAreal Flood AdvisoryPAHAlexander, Union2 hr
Aug 22, 6:42 PM CDTAreal Flood AdvisoryPAHJohnson2 hr
Aug 23, 5:35 AM CDTDense Fog AdvisoryPAHEdwards, Gallatin, Hamilton, Hardin, Saline, Wabash and 2 more2 hr
Aug 23, 7:11 AM CDTDense Fog AdvisoryLSXBond, Clinton, Fayette, Marion, Montgomery, Washington109 min
Aug 23, 9:25 PM CDTSmall Craft AdvisoryLOT24 hr
Aug 29, 8:35 PM CDTMarine Dense Fog AdvisoryLOT15 hr
Aug 30, 12:40 AM CDTDense Fog AdvisoryDVNHancock, Henderson, Henry, McDonough, Mercer, Rock Island and 1 more10 hr
Aug 30, 7:14 PM CDTDense Fog AdvisoryDVNCarroll, Henderson, Henry, Jo Daviess, Mercer, Rock Island and 2 more11 hr
Aug 31, 12:50 AM CDTDense Fog AdvisoryLOTBoone, DeKalb, DuPage, Grundy, Kane, Kankakee and 6 more8 hr
Aug 31, 3:20 AM CDTMarine Dense Fog AdvisoryLOT7 hr
Aug 31, 9:14 AM CDTAreal Flood AdvisoryLSXMarion3 hr
Aug 31, 9:37 AM CDTFlash Flood WarningILXClark, Coles, Cumberland, Edgar3 hr
Aug 31, 10:07 AM CDTMarine Dense Fog AdvisoryLOT6 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.

62 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20142016

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.