Alert archive / Illinois / Mesoscale Discussions

Mesoscale Discussions in Illinois, 2024

202 mesoscale discussions in 2024. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of mesoscale discussions reaches back to 2003.

Mesoscale Discussions by county

Each county as a circle sized by its count in 2024. Tap one for its archive.

Mesoscale Discussions
202
Busiest month
May47 mesoscale discussions
Busiest day
May 8, 20248 mesoscale discussions

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.

IssuedProductOfficeCountiesLasted
Jan 9, 9:12 AM CSTMesoscale DiscussionSPCBureau, Carroll, Henderson, Henry, Jo Daviess, Knox and 9 more3 hr
Jan 9, 1:09 PM CSTMesoscale DiscussionSPCBoone, Bureau, Carroll, DeKalb, DuPage, Henderson and 17 more3 hr
Jan 12, 4:23 AM CSTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 17 more4 hr
Jan 12, 10:24 AM CSTMesoscale DiscussionSPCBoone, Carroll, Jo Daviess, McHenry, Mercer, Rock Island and 2 more4 hr
Jan 22, 3:27 AM CSTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Christian and 32 more5 hr
Jan 22, 9:17 AM CSTMesoscale DiscussionSPCChampaign, Clark, Coles, Cook, DeWitt, Douglas and 14 more4 hr
Feb 8, 2:53 PM CSTMesoscale DiscussionSPCBureau, Carroll, Henry, Jo Daviess, Knox, LaSalle and 12 more3 hr
Feb 8, 4:44 PM CSTMesoscale DiscussionSPCLaSalle, Marshall, Woodford61 min
Feb 10, 1:57 AM CSTMesoscale DiscussionSPCEdwards, Gallatin, Hamilton, Wabash, White2 hr
Feb 16, 11:26 AM CSTMesoscale DiscussionSPCChampaign, Coles, DeWitt, Douglas, Edgar, Logan and 5 more4 hr
Feb 16, 3:04 PM CSTMesoscale DiscussionSPCBond, Clark, Clay, Clinton, Crawford, Cumberland and 13 more4 hr
Feb 27, 12:00 AM CSTMesoscale DiscussionSPCFranklin, Gallatin, Hamilton, Hardin, Jackson, Jefferson and 10 more2 hr
Feb 27, 2:50 PM CSTMesoscale DiscussionSPCBoone, Bureau, Cook, DeKalb, DuPage, Ford and 25 more115 min
Feb 27, 5:47 PM CSTMesoscale DiscussionSPCBond, Christian, Clark, Clay, Clinton, Coles and 20 more88 min
Feb 27, 5:59 PM CSTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 17 more91 min
Feb 27, 7:46 PM CSTMesoscale DiscussionSPCAlexander, Clark, Clay, Clinton, Crawford, Edwards and 23 more119 min
Feb 27, 11:50 PM CSTMesoscale DiscussionSPCClark, Clay, Crawford, Franklin, Jasper, Jefferson and 6 more85 min
Mar 4, 1:25 PM CSTMesoscale DiscussionSPCAdams, Boone, Bureau, Carroll, Cook, DeKalb and 27 more2 hr
Mar 13, 2:56 PM CDTMesoscale DiscussionSPCBond, Calhoun, Clinton, Greene, Jersey, Macoupin and 3 more3 hr
Mar 13, 7:44 PM CDTMesoscale DiscussionSPCCalhoun, Jersey, Madison, Monroe, Saint Clair2 hr
Mar 14, 2:30 AM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Fulton, Hancock, Henderson and 5 more90 min
Mar 14, 5:35 AM CDTMesoscale DiscussionSPCChampaign, Christian, DeWitt, Ford, Livingston, Logan and 11 more85 min
Mar 14, 7:39 AM CDTMesoscale DiscussionSPCBond, Champaign, Christian, Clark, Clay, Clinton and 35 more2 hr
Mar 14, 12:58 PM CDTMesoscale DiscussionSPCAlexander, Bond, Brown, Calhoun, Cass, Clinton and 18 more92 min
Mar 14, 3:55 PM CDTMesoscale DiscussionSPCBond, Brown, Calhoun, Cass, Champaign, Christian and 44 more65 min
Mar 14, 5:09 PM CDTMesoscale DiscussionSPCBond, Calhoun, Champaign, Christian, Clay, Clinton and 27 more96 min
Mar 14, 7:20 PM CDTMesoscale DiscussionSPCClark, Clay, Clinton, Crawford, Edwards, Franklin and 11 more85 min
Mar 14, 8:58 PM CDTMesoscale DiscussionSPCLawrence, Wabash62 min
Mar 22, 6:11 AM CDTMesoscale DiscussionSPCJo Daviess, Stephenson4 hr
Mar 29, 8:52 PM CDTMesoscale DiscussionSPCBureau, Carroll, DeKalb, Ford, Grundy, Henderson and 19 more83 min
Mar 31, 5:26 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Champaign, Christian, Clark and 29 more2 hr
Mar 31, 7:38 PM CDTMesoscale DiscussionSPCClark, Coles, DeWitt, Douglas, Edgar, Logan and 3 more2 hr
Apr 1, 12:35 PM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Champaign and 37 more115 min
Apr 1, 3:50 PM CDTMesoscale DiscussionSPCBond, Calhoun, Christian, Clark, Clinton, Coles and 19 more115 min
Apr 1, 6:45 PM CDTMesoscale DiscussionSPCBond, Calhoun, Christian, Clark, Clay, Clinton and 19 more90 min
Apr 1, 7:37 PM CDTMesoscale DiscussionSPCClark, Crawford, Edgar, Lawrence83 min
Apr 1, 11:26 PM CDTMesoscale DiscussionSPCBond, Clinton, Fayette, Madison, Marion, Monroe and 3 more94 min
Apr 2, 1:16 AM CDTMesoscale DiscussionSPCClay, Clinton, Crawford, Edwards, Franklin, Gallatin and 19 more89 min
Apr 2, 10:58 AM CDTMesoscale DiscussionSPCCrawford, Edwards, Lawrence, Richland, Wabash, Wayne and 1 more3 hr
Apr 2, 11:48 AM CDTMesoscale DiscussionSPCAlexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 9 more117 min
Apr 2, 2:28 PM CDTMesoscale DiscussionSPCHardin92 min
Apr 7, 2:05 PM CDTMesoscale DiscussionSPCHancock, Henderson, Mercer2 hr
Apr 7, 2:12 PM CDTMesoscale DiscussionSPCAlexander, Clinton, Franklin, Hamilton, Jackson, Jefferson and 12 more3 hr
Apr 15, 3:45 PM CDTMesoscale DiscussionSPCClinton, Monroe, Perry, Randolph, Saint Clair, Washington90 min
Apr 16, 11:04 AM CDTMesoscale DiscussionSPCAdams, Hancock2 hr
Apr 16, 1:56 PM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Cass, Fulton, Greene and 17 more64 min
Apr 16, 3:40 PM CDTMesoscale DiscussionSPCBoone, Bureau, Champaign, DeKalb, DeWitt, Douglas and 23 more95 min
Apr 16, 4:47 PM CDTMesoscale DiscussionSPCCarroll, Hancock, Henderson, Henry, Jo Daviess, Mercer and 3 more88 min
Apr 16, 6:23 PM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Pike2 hr
Apr 16, 7:32 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Fulton, Henderson, Henry and 18 more88 min
Apr 17, 9:40 AM CDTMesoscale DiscussionSPCVermilion65 min
Apr 18, 12:08 PM CDTMesoscale DiscussionSPCBond, Calhoun, Christian, Clay, Clinton, Effingham and 17 more2 hr
Apr 18, 3:09 PM CDTMesoscale DiscussionSPCAlexander, Bond, Calhoun, Christian, Clay, Clinton and 28 more2 hr
Apr 18, 4:48 PM CDTMesoscale DiscussionSPCAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 14 more87 min
Apr 18, 6:12 PM CDTMesoscale DiscussionSPCBond, Champaign, Christian, Clark, Clay, Clinton and 37 more93 min
Apr 23, 2:52 PM CDTMesoscale DiscussionSPCBoone, Cook, DeKalb, DuPage, Kane, Kendall and 5 more113 min
Apr 27, 3:40 PM CDTMesoscale DiscussionSPCHenderson, Mercer, Rock Island95 min
Apr 27, 5:17 PM CDTMesoscale DiscussionSPCCarroll, Hancock, Henderson, Jo Daviess, Mercer, Rock Island and 1 more58 min
Apr 27, 7:58 PM CDTMesoscale DiscussionSPCBoone, Bureau, DeKalb, DuPage, Fulton, Grundy and 20 more62 min
Apr 27, 9:15 PM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Cass, Fulton, Greene and 15 more60 min
Apr 28, 1:54 AM CDTMesoscale DiscussionSPCCalhoun, Greene, Jersey, Macoupin, Madison66 min
May 2, 3:07 PM CDTMesoscale DiscussionSPCBoone, Cook, DeKalb, DuPage, Grundy, Iroquois and 13 more113 min
May 4, 1:56 PM CDTMesoscale DiscussionSPCAdams, Boone, Brown, Bureau, Carroll, Cass and 40 more94 min
May 4, 3:53 PM CDTMesoscale DiscussionSPCMonroe97 min
May 6, 11:56 PM CDTMesoscale DiscussionSPCAdams, Calhoun, Hancock, Pike94 min
May 7, 2:29 AM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Pike2 hr
May 7, 4:42 AM CDTMesoscale DiscussionSPCAlexander, Bond, Calhoun, Cass, Christian, Clay and 38 more2 hr
May 7, 12:14 PM CDTMesoscale DiscussionSPCChampaign, Clark, Coles, Cook, DeKalb, DeWitt and 23 more2 hr
May 7, 2:53 PM CDTMesoscale DiscussionSPCChampaign, Clark, Clay, Coles, Crawford, Cumberland and 16 more67 min
May 7, 5:24 PM CDTMesoscale DiscussionSPCCarroll, Henry, Jo Daviess, Knox, Mercer, Rock Island and 2 more96 min
May 7, 6:36 PM CDTMesoscale DiscussionSPCGallatin, Hardin, Pope, Saline, White54 min
May 7, 9:20 PM CDTMesoscale DiscussionSPCCrawford, Edwards, Lawrence, Wabash55 min
May 7, 11:16 PM CDTMesoscale DiscussionSPCGallatin, Hamilton, Hardin, Pope, Saline, Wabash and 1 more119 min
May 8, 1:26 AM CDTMesoscale DiscussionSPCAlexander, Gallatin, Hardin, Johnson, Massac, Pope and 2 more2 hr
May 8, 11:28 AM CDTMesoscale DiscussionSPCAlexander, Franklin, Gallatin, Hardin, Jackson, Johnson and 9 more92 min
May 8, 11:35 AM CDTMesoscale DiscussionSPCAlexander, Franklin, Gallatin, Hardin, Jackson, Johnson and 9 more85 min
May 8, 12:58 PM CDTMesoscale DiscussionSPCEdwards, Franklin, Gallatin, Hamilton, Hardin, Jefferson and 10 more62 min
May 8, 1:50 PM CDTMesoscale DiscussionSPCAlexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 12 more55 min
May 8, 3:41 PM CDTMesoscale DiscussionSPCAlexander, Gallatin, Hardin, Jackson, Johnson, Massac and 5 more94 min
May 8, 10:34 PM CDTMesoscale DiscussionSPCAlexander, Hardin, Jackson, Johnson, Massac, Pope and 3 more86 min
May 16, 3:25 PM CDTMesoscale DiscussionSPCAlexander, Franklin, Gallatin, Hardin, Jackson, Johnson and 6 more2 hr
May 20, 10:13 AM CDTMesoscale DiscussionSPCBoone, Bureau, Cook, DeKalb, DuPage, Grundy and 10 more92 min
May 20, 3:21 PM CDTMesoscale DiscussionSPCCook114 min
May 21, 9:29 AM CDTMesoscale DiscussionSPCMercer, Rock Island91 min
May 21, 12:32 PM CDTMesoscale DiscussionSPCMercer, Rock Island118 min
May 21, 3:54 PM CDTMesoscale DiscussionSPCAdams, Brown, Pike, Schuyler, Scott2 hr
May 21, 5:33 PM CDTMesoscale DiscussionSPCAdams, Brown, Pike117 min
May 21, 7:55 PM CDTMesoscale DiscussionSPCAdams2 hr
May 21, 7:56 PM CDTMesoscale DiscussionSPCBoone, McHenry, Stephenson, Winnebago64 min
May 24, 8:44 AM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, DeKalb, Jo Daviess, Kane and 9 more2 hr
May 24, 11:57 AM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Cass, Greene, Hancock and 5 more2 hr
May 24, 1:39 PM CDTMesoscale DiscussionSPCBond, Christian, Clark, Coles, Cumberland, Douglas and 12 more2 hr
May 24, 3:57 PM CDTMesoscale DiscussionSPCBond, Brown, Calhoun, Cass, Christian, Clay and 34 more93 min
May 24, 4:46 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 15 more119 min
May 24, 6:19 PM CDTMesoscale DiscussionSPCBond, Calhoun, Christian, Clinton, Effingham, Fayette and 10 more116 min
May 24, 8:49 PM CDTMesoscale DiscussionSPCMonroe, Randolph, Saint Clair86 min
May 26, 7:50 AM CDTMesoscale DiscussionSPCAlexander, Gallatin, Hardin, Johnson, Massac, Pope and 4 more115 min
May 26, 2:38 PM CDTMesoscale DiscussionSPCAlexander, Jackson, Johnson, Massac, Pulaski, Randolph and 2 more3 hr
May 26, 2:46 PM CDTMesoscale DiscussionSPCAlexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more59 min
May 26, 3:26 PM CDTMesoscale DiscussionSPCBoone, DeKalb, DuPage, Kane, Kendall, Lake and 2 more94 min
May 26, 5:38 PM CDTMesoscale DiscussionSPCBond, Christian, Clark, Clay, Coles, Crawford and 14 more67 min
May 26, 5:53 PM CDTMesoscale DiscussionSPCMcHenry67 min
May 26, 6:18 PM CDTMesoscale DiscussionSPCAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 11 more87 min
May 26, 6:57 PM CDTMesoscale DiscussionSPCAlexander63 min
May 26, 7:01 PM CDTMesoscale DiscussionSPCBond, Clay, Clinton, Effingham, Fayette, Franklin and 11 more89 min
May 26, 8:21 PM CDTMesoscale DiscussionSPCAlexander, Clay, Crawford, Cumberland, Edwards, Franklin and 18 more84 min
May 27, 5:10 PM CDTMesoscale DiscussionSPCAdams, Brown, Bureau, Carroll, Cass, DeKalb and 31 more2 hr
May 28, 1:02 PM CDTMesoscale DiscussionSPCBoone, Carroll, DeKalb, DuPage, Jo Daviess, Kane and 8 more3 hr
Jun 3, 2:15 PM CDTMesoscale DiscussionSPCBoone, Carroll, Jo Daviess, Stephenson, Winnebago2 hr
Jun 5, 10:38 AM CDTMesoscale DiscussionSPCClark, Clay, Coles, Crawford, Cumberland, Edgar and 15 more3 hr
Jun 12, 4:51 PM CDTMesoscale DiscussionSPCMcHenry2 hr
Jun 13, 1:02 PM CDTMesoscale DiscussionSPCBureau, Cook, DeKalb, DuPage, Ford, Grundy and 15 more118 min
Jun 13, 2:02 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Fulton, Hancock, Henderson and 11 more118 min
Jun 13, 4:46 PM CDTMesoscale DiscussionSPCCook, DeKalb, DuPage, Ford, Grundy, Iroquois and 8 more89 min
Jun 13, 5:18 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Fulton, Hancock, Henderson and 4 more87 min
Jun 13, 7:48 PM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Christian and 31 more87 min
Jun 16, 12:33 PM CDTMesoscale DiscussionSPCBureau, Henderson, Henry, Knox, LaSalle, Lee and 10 more117 min
Jun 16, 3:42 PM CDTMesoscale DiscussionSPCBoone, Cook, DeKalb, DuPage, Grundy, Kane and 8 more2 hr
Jun 19, 3:58 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, DeKalb, Hancock, Henderson and 14 more92 min
Jun 22, 12:56 PM CDTMesoscale DiscussionSPCBoone, Carroll, Jo Daviess, Ogle, Stephenson, Whiteside and 1 more2 hr
Jun 22, 5:25 PM CDTMesoscale DiscussionSPCJo Daviess95 min
Jun 22, 6:55 PM CDTMesoscale DiscussionSPCBoone, Bureau, DeKalb, DuPage, Fulton, Grundy and 16 more2 hr
Jun 22, 10:43 PM CDTMesoscale DiscussionSPCBureau, Cook, DuPage, Fulton, Grundy, Henry and 15 more2 hr
Jun 25, 4:09 AM CDTMesoscale DiscussionSPCBoone, McHenry, Ogle, Stephenson, Winnebago96 min
Jun 25, 6:28 AM CDTMesoscale DiscussionSPCBoone, Bureau, Cook, DeKalb, DuPage, Grundy and 13 more92 min
Jun 25, 8:01 AM CDTMesoscale DiscussionSPCBureau, Ford, Henderson, Henry, Iroquois, Knox and 11 more119 min
Jun 25, 11:43 AM CDTMesoscale DiscussionSPCBond, Champaign, Christian, Clark, Clay, Coles and 30 more92 min
Jun 25, 1:26 PM CDTMesoscale DiscussionSPCClark, Clay, Coles, Crawford, Cumberland, Douglas and 7 more94 min
Jun 25, 4:54 PM CDTMesoscale DiscussionSPCBoone, Carroll, DeKalb, DuPage, Henry, Jo Daviess and 10 more96 min
Jun 25, 7:09 PM CDTMesoscale DiscussionSPCCarroll, Henry, Mercer, Rock Island, Whiteside66 min
Jun 29, 11:42 AM CDTMesoscale DiscussionSPCBond, Champaign, Christian, Clark, Coles, Crawford and 12 more63 min
Jun 29, 5:10 PM CDTMesoscale DiscussionSPCChampaign, Clark, Clay, Coles, Crawford, Cumberland and 9 more95 min
Jul 2, 5:13 PM CDTMesoscale DiscussionSPCCarroll, Hancock, Henderson, Henry, Mercer, Rock Island and 2 more92 min
Jul 2, 6:09 PM CDTMesoscale DiscussionSPCRock Island66 min
Jul 2, 6:27 PM CDTMesoscale DiscussionSPCBoone, Brown, Bureau, Cass, DeKalb, Fulton and 13 more2 hr
Jul 2, 11:07 PM CDTMesoscale DiscussionSPCPike, Scott83 min
Jul 3, 11:46 AM CDTMesoscale DiscussionSPCEdwards, Gallatin, Hamilton, Hardin, Lawrence, Pope and 3 more2 hr
Jul 3, 1:45 PM CDTMesoscale DiscussionSPCAlexander, Hardin, Jackson, Johnson, Massac, Pope and 4 more2 hr
Jul 3, 6:10 PM CDTMesoscale DiscussionSPCAlexander, Hardin, Massac, Pope, Pulaski95 min
Jul 4, 5:37 PM CDTMesoscale DiscussionSPCAlexander, Johnson, Massac, Pope, Pulaski, Union53 min
Jul 9, 1:39 PM CDTMesoscale DiscussionSPCGallatin, Hardin2 hr
Jul 12, 4:40 PM CDTMesoscale DiscussionSPCAlexander, Clay, Edwards, Franklin, Gallatin, Hamilton and 19 more95 min
Jul 13, 10:00 PM CDTMesoscale DiscussionSPCCarroll, Jo Daviess, Ogle, Stephenson, Winnebago60 min
Jul 14, 9:08 AM CDTMesoscale DiscussionSPCIroquois, Kankakee, Will2 hr
Jul 14, 3:15 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 22 more90 min
Jul 14, 7:51 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, DeKalb, DuPage, Grundy and 15 more84 min
Jul 14, 9:36 PM CDTMesoscale DiscussionSPCCook, DuPage, Kankakee, Kendall, Lake, Will54 min
Jul 14, 10:52 PM CDTMesoscale DiscussionSPCBureau, Ford, Grundy, Henry, Iroquois, Knox and 9 more83 min
Jul 15, 12:54 AM CDTMesoscale DiscussionSPCChampaign, DeWitt, Ford, Fulton, Grundy, Iroquois and 14 more2 hr
Jul 15, 1:59 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 32 more3 hr
Jul 15, 5:26 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, DeKalb, Fulton, Hancock and 19 more2 hr
Jul 15, 6:06 PM CDTMesoscale DiscussionSPCBoone, Bureau, Champaign, Cook, DeKalb, DeWitt and 26 more114 min
Jul 15, 6:55 PM CDTMesoscale DiscussionSPCBureau, Carroll, Henry, Knox, Lee, Mercer and 6 more95 min
Jul 15, 8:26 PM CDTMesoscale DiscussionSPCBoone, Bureau, Champaign, Cook, DeKalb, DeWitt and 23 more2 hr
Jul 15, 9:37 PM CDTMesoscale DiscussionSPCBond, Christian, Clark, Clay, Coles, Crawford and 8 more83 min
Jul 15, 10:13 PM CDTMesoscale DiscussionSPCIroquois2 hr
Jul 16, 8:45 AM CDTMesoscale DiscussionSPCAlexander, Calhoun, Clinton, Greene, Jackson, Jersey and 9 more90 min
Jul 16, 12:02 PM CDTMesoscale DiscussionSPCAlexander, Jackson, Johnson, Monroe, Perry, Pulaski and 4 more88 min
Jul 16, 9:56 PM CDTMesoscale DiscussionSPCAlexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more2 hr
Jul 23, 12:56 PM CDTMesoscale DiscussionSPCCarroll, Jo Daviess, Rock Island, Whiteside94 min
Jul 24, 1:06 PM CDTMesoscale DiscussionSPCChampaign, DeWitt, Douglas, Edgar, Ford, Fulton and 13 more114 min
Jul 29, 3:58 PM CDTMesoscale DiscussionSPCClark, Coles, Crawford, Cumberland, Douglas, Edgar and 4 more3 hr
Jul 29, 9:27 PM CDTMesoscale DiscussionSPCEdwards, Franklin, Gallatin, Hamilton, Jefferson, Saline and 3 more2 hr
Jul 30, 4:07 AM CDTMesoscale DiscussionSPCHancock, Henderson, McDonough, Warren83 min
Jul 30, 5:43 AM CDTMesoscale DiscussionSPCAdams, Brown, Cass, DeWitt, Fulton, Hancock and 16 more92 min
Jul 30, 8:47 AM CDTMesoscale DiscussionSPCHancock88 min
Jul 30, 9:09 AM CDTMesoscale DiscussionSPCBond, Christian, Clark, Clay, Coles, Crawford and 14 more2 hr
Jul 30, 12:49 PM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Greene, Hancock, Henderson and 5 more116 min
Jul 30, 1:56 PM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Christian and 30 more2 hr
Jul 30, 3:36 PM CDTMesoscale DiscussionSPCAdams, Brown, Hancock, McDonough84 min
Jul 31, 2:31 AM CDTMesoscale DiscussionSPCAdams, Hancock, Henderson, McDonough119 min
Jul 31, 5:30 AM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Christian, Fulton, Hancock and 12 more2 hr
Jul 31, 9:56 AM CDTMesoscale DiscussionSPCEdgar, Vermilion94 min
Jul 31, 11:01 AM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Greene, Hancock, Pike and 1 more89 min
Jul 31, 12:19 PM CDTMesoscale DiscussionSPCClark, Crawford, Cumberland, Edgar, Edwards, Jasper and 3 more116 min
Aug 1, 2:19 AM CDTMesoscale DiscussionSPCBond, Calhoun, Cass, Christian, Fayette, Greene and 12 more86 min
Aug 1, 11:18 AM CDTMesoscale DiscussionSPCClay, Clinton, Crawford, Edwards, Effingham, Fayette and 18 more87 min
Aug 1, 2:51 PM CDTMesoscale DiscussionSPCGallatin, Hardin84 min
Aug 5, 5:09 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 13 more66 min
Aug 5, 9:40 PM CDTMesoscale DiscussionSPCJo Daviess65 min
Aug 5, 11:38 PM CDTMesoscale DiscussionSPCCarroll, Jo Daviess, Stephenson37 min
Aug 6, 2:26 AM CDTMesoscale DiscussionSPCBoone, Lake, McHenry2 hr
Aug 15, 4:01 PM CDTMesoscale DiscussionSPCMonroe, Randolph2 hr
Aug 15, 7:13 PM CDTMesoscale DiscussionSPCFranklin, Gallatin, Hamilton, Hardin, Jackson, Jefferson and 7 more92 min
Aug 15, 8:47 PM CDTMesoscale DiscussionSPCAlexander, Jackson, Johnson, Massac, Monroe, Perry and 6 more118 min
Aug 15, 8:51 PM CDTMesoscale DiscussionSPCBureau, Fulton, Hancock, Henderson, Henry, Knox and 8 more84 min
Aug 15, 11:34 PM CDTMesoscale DiscussionSPCDeWitt, Fulton, Livingston, Logan, McDonough, McLean and 10 more86 min
Aug 16, 1:19 AM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Champaign, Christian, Coles and 33 more116 min
Aug 16, 1:53 PM CDTMesoscale DiscussionSPCBoone, Carroll, Jo Daviess, McHenry, Stephenson, Winnebago3 hr
Aug 16, 5:31 PM CDTMesoscale DiscussionSPCBoone, Carroll, Cook, DeKalb, DuPage, Kane and 8 more119 min
Aug 27, 11:25 AM CDTMesoscale DiscussionSPCBoone, Cook, DeKalb, DuPage, Kane, Kendall and 6 more3 hr
Aug 27, 4:47 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 24 more88 min
Aug 27, 5:16 PM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Greene, Jersey, Pike and 1 more119 min
Aug 27, 6:24 PM CDTMesoscale DiscussionSPCCook, DuPage, Kane, Lake, McHenry, Will96 min
Aug 27, 9:39 PM CDTMesoscale DiscussionSPCFulton, Grundy, Iroquois, Kankakee, Knox, LaSalle and 8 more96 min
Aug 30, 3:41 PM CDTMesoscale DiscussionSPCBond, Calhoun, Champaign, Christian, Clark, Clinton and 27 more3 hr
Sep 23, 3:32 PM CDTMesoscale DiscussionSPCAlexander, Gallatin, Hardin, Johnson, Massac, Pope and 4 more2 hr
Sep 24, 12:56 AM CDTMesoscale DiscussionSPCGallatin, Hardin, Johnson, Massac, Pope, Saline and 1 more3 hr
Oct 4, 2:11 AM CDTMesoscale DiscussionSPCHenderson2 hr
Nov 21, 9:26 AM CSTMesoscale DiscussionSPCCook, DuPage, Kane, Kankakee, Kendall, Lake and 2 more3 hr
Dec 14, 4:58 AM CSTMesoscale DiscussionSPCBureau, Carroll, Fulton, Hancock, Henderson, Henry and 13 more6 hr
Dec 16, 10:42 AM CSTMesoscale DiscussionSPCHardin, Massac3 hr

By county

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

62 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. May 8, 20248mesoscale discussions
  2. May 26, 20248mesoscale discussions
  3. July 15, 20248mesoscale discussions
  4. July 30, 20248mesoscale discussions
  5. March 14, 20247mesoscale discussions
  6. May 7, 20247mesoscale discussions
  7. August 16, 20247mesoscale discussions
  8. April 2, 20246mesoscale discussions
  9. May 24, 20246mesoscale discussions
  10. June 25, 20246mesoscale discussions
  11. April 16, 20245mesoscale discussions
  12. July 16, 20245mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordThe radar archive20232025

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.