Alert archive / Illinois / Mesoscale Discussions

Mesoscale Discussions in Illinois, 2026

225 mesoscale discussions in 2026. 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 2026. Tap one for its archive.

Mesoscale Discussions
225
Busiest month
June49 mesoscale discussions
Busiest day
June 11, 202611 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 8, 3:14 PM CSTMesoscale DiscussionSPCCalhoun, Jersey, Madison, Monroe, Randolph, Saint Clair2 hr
Jan 8, 7:50 PM CSTMesoscale DiscussionSPCBond, Champaign, Christian, Clark, Clay, Clinton and 36 more55 min
Jan 24, 11:00 PM CSTMesoscale DiscussionSPCClay, Crawford, Edwards, Franklin, Gallatin, Hamilton and 16 more6 hr
Feb 19, 10:44 AM CSTMesoscale DiscussionSPCBond, Calhoun, Clinton, Greene, Jersey, Macoupin and 5 more91 min
Feb 19, 11:34 AM CSTMesoscale DiscussionSPCBond, Champaign, Christian, Clark, Clay, Clinton and 38 more116 min
Feb 19, 2:56 PM CSTMesoscale DiscussionSPCClark, Clay, Crawford, Cumberland, Edwards, Effingham and 12 more2 hr
Feb 19, 3:06 PM CSTMesoscale DiscussionSPCBond, Clinton, Fayette, Jefferson, Madison, Marion and 5 more84 min
Feb 19, 6:03 PM CSTMesoscale DiscussionSPCClark, Clay, Coles, Crawford, Cumberland, Douglas and 8 more87 min
Mar 4, 1:28 PM CSTMesoscale DiscussionSPCAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 15 more3 hr
Mar 4, 5:30 PM CSTMesoscale DiscussionSPCAlexander, Clay, Crawford, Edwards, Franklin, Gallatin and 20 more2 hr
Mar 4, 10:51 PM CSTMesoscale DiscussionSPCAlexander, Gallatin, Hardin, Johnson, Massac, Pope and 3 more114 min
Mar 6, 2:10 PM CSTMesoscale DiscussionSPCCook, DuPage, Grundy, Iroquois, Kane, Kankakee and 4 more2 hr
Mar 7, 2:44 AM CSTMesoscale DiscussionSPCAlexander, Bond, Clark, Clay, Clinton, Coles and 30 more2 hr
Mar 7, 5:40 AM CSTMesoscale DiscussionSPCAlexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 9 more2 hr
Mar 10, 11:16 AM CDTMesoscale DiscussionSPCBureau, Ford, Fulton, Grundy, Iroquois, Kankakee and 11 more29 min
Mar 10, 1:53 PM CDTMesoscale DiscussionSPCBureau, Ford, Fulton, Grundy, Hancock, Henderson and 20 more3 hr
Mar 10, 4:53 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 12 more97 min
Mar 10, 5:41 PM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Greene, Hancock, McDonough and 3 more2 hr
Mar 10, 6:27 PM CDTMesoscale DiscussionSPCKankakee63 min
Mar 10, 7:21 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 18 more84 min
Mar 10, 7:51 PM CDTMesoscale DiscussionSPCFord, Fulton, Grundy, Hancock, Henderson, Iroquois and 16 more54 min
Mar 10, 10:01 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, DeWitt, Fulton, Hancock and 18 more89 min
Mar 11, 1:59 AM CDTMesoscale DiscussionSPCBrown, Calhoun, Cass, Champaign, Christian, Coles and 17 more91 min
Mar 11, 4:23 AM CDTMesoscale DiscussionSPCBond, Christian, Clark, Clay, Clinton, Coles and 21 more2 hr
Mar 11, 7:49 AM CDTMesoscale DiscussionSPCWabash86 min
Mar 11, 1:36 PM CDTMesoscale DiscussionSPCEdwards, Lawrence, Wabash84 min
Mar 15, 12:23 PM CDTMesoscale DiscussionSPCBond, Calhoun, Clinton, Greene, Jackson, Jersey and 13 more2 hr
Mar 15, 3:27 PM CDTMesoscale DiscussionSPCAlexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 8 more93 min
Mar 15, 5:16 PM CDTMesoscale DiscussionSPCIroquois, Kankakee59 min
Mar 15, 5:47 PM CDTMesoscale DiscussionSPCBond, Champaign, Clark, Clay, Clinton, Coles and 22 more88 min
Mar 15, 6:43 PM CDTMesoscale DiscussionSPCAlexander, Massac, Pulaski, Union2 hr
Mar 22, 3:50 PM CDTMesoscale DiscussionSPCClark, Clay, Coles, Crawford, Cumberland, Douglas and 9 more2 hr
Mar 22, 7:20 PM CDTMesoscale DiscussionSPCClark, Clay, Coles, Crawford, Cumberland, Edgar and 6 more85 min
Mar 26, 2:48 PM CDTMesoscale DiscussionSPCBrown, Cass, Champaign, Christian, Clark, Coles and 36 more117 min
Mar 26, 7:21 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Champaign, Christian, DeWitt and 22 more54 min
Mar 26, 10:27 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Champaign, Christian, Clark and 20 more63 min
Mar 30, 8:57 PM CDTMesoscale DiscussionSPCBoone, Carroll, DeKalb, DuPage, Jo Daviess, Kane and 7 more2 hr
Mar 30, 11:29 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 13 more2 hr
Mar 31, 1:54 AM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 18 more96 min
Mar 31, 7:46 AM CDTMesoscale DiscussionSPCBureau, Grundy, Henderson, Henry, Kendall, Knox and 10 more89 min
Mar 31, 10:55 AM CDTMesoscale DiscussionSPCColes, Douglas, Edgar, Vermilion2 hr
Mar 31, 2:44 PM CDTMesoscale DiscussionSPCBrown, Cass, Champaign, Christian, Coles, DeWitt and 31 more3 hr
Apr 2, 12:28 PM CDTMesoscale DiscussionSPCBureau, Carroll, DeKalb, Hancock, Henderson, Henry and 12 more3 hr
Apr 2, 3:41 PM CDTMesoscale DiscussionSPCAdams, Brown, Fulton, Hancock, Henderson, Henry and 6 more94 min
Apr 2, 3:48 PM CDTMesoscale DiscussionSPCAlexander, Franklin, Jackson, Jefferson, Johnson, Perry and 6 more117 min
Apr 2, 4:26 PM CDTMesoscale DiscussionSPCCarroll, Henry, Jo Daviess, Mercer, Rock Island, Stephenson and 1 more94 min
Apr 2, 5:11 PM CDTMesoscale DiscussionSPCClark, Coles, Crawford, Cumberland, Douglas, Edgar and 1 more94 min
Apr 2, 5:39 PM CDTMesoscale DiscussionSPCBond, Calhoun, Cass, Champaign, Christian, Clinton and 22 more2 hr
Apr 3, 1:26 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, DeWitt, Fulton, Hancock and 19 more2 hr
Apr 3, 4:59 PM CDTMesoscale DiscussionSPCCass, Champaign, DeWitt, Douglas, Ford, Fulton and 21 more2 hr
Apr 3, 7:24 PM CDTMesoscale DiscussionSPCDeWitt, Ford, Iroquois, Livingston, Logan, McLean and 3 more96 min
Apr 13, 11:03 AM CDTMesoscale DiscussionSPCBureau, Carroll, DeKalb, Fulton, Hancock, Henderson and 24 more87 min
Apr 13, 2:06 PM CDTMesoscale DiscussionSPCGrundy, Iroquois, Kankakee, Will24 min
Apr 14, 12:56 PM CDTMesoscale DiscussionSPCBoone, Carroll, Jo Daviess, Ogle, Stephenson, Whiteside and 1 more2 hr
Apr 14, 1:55 PM CDTMesoscale DiscussionSPCBureau, Cass, Champaign, Christian, Clark, Coles and 31 more2 hr
Apr 14, 3:42 PM CDTMesoscale DiscussionSPCJo Daviess93 min
Apr 14, 6:36 PM CDTMesoscale DiscussionSPCCarroll, Jo Daviess, Ogle, Stephenson, Winnebago114 min
Apr 14, 8:32 PM CDTMesoscale DiscussionSPCBoone, McHenry, Stephenson, Winnebago88 min
Apr 14, 11:36 PM CDTMesoscale DiscussionSPCRock Island, Whiteside84 min
Apr 15, 1:47 AM CDTMesoscale DiscussionSPCMercer, Rock Island88 min
Apr 15, 4:49 PM CDTMesoscale DiscussionSPCBoone, Jo Daviess, Lake, McHenry, Ogle, Stephenson and 1 more86 min
Apr 15, 6:15 PM CDTMesoscale DiscussionSPCAdams, Brown, Carroll, Hancock, Henderson, Henry and 10 more2 hr
Apr 15, 9:26 PM CDTMesoscale DiscussionSPCBoone, Bureau, DeKalb, DuPage, Fulton, Henry and 19 more94 min
Apr 16, 3:22 PM CDTMesoscale DiscussionSPCAlexander, Jackson, Pulaski, Union113 min
Apr 17, 11:48 AM CDTMesoscale DiscussionSPCCarroll, Jo Daviess, Ogle, Stephenson, Winnebago2 hr
Apr 17, 2:05 PM CDTMesoscale DiscussionSPCJo Daviess55 min
Apr 17, 3:04 PM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Christian and 20 more56 min
Apr 17, 4:42 PM CDTMesoscale DiscussionSPCBoone, Lake, McHenry, Winnebago2 hr
Apr 17, 6:25 PM CDTMesoscale DiscussionSPCAdams, Boone, Bureau, Carroll, DeKalb, Fulton and 22 more2 hr
Apr 17, 8:09 PM CDTMesoscale DiscussionSPCCass, Champaign, Christian, Clark, Coles, Cook and 36 more2 hr
Apr 17, 8:39 PM CDTMesoscale DiscussionSPCBond, Calhoun, Christian, Clinton, Fayette, Greene and 6 more2 hr
Apr 17, 8:52 PM CDTMesoscale DiscussionSPCChampaign, DeWitt, Ford, Iroquois, Logan, McLean and 3 more83 min
Apr 17, 10:19 PM CDTMesoscale DiscussionSPCColes, Douglas, Edgar, Iroquois, Kankakee, Moultrie and 1 more116 min
Apr 21, 1:07 PM CDTMesoscale DiscussionSPCBoone, Cook, DeKalb, DuPage, Grundy, Kane and 7 more113 min
Apr 27, 7:36 AM CDTMesoscale DiscussionSPCAdams, Alexander, Bond, Calhoun, Clinton, Franklin and 24 more84 min
Apr 27, 9:33 AM CDTMesoscale DiscussionSPCCalhoun117 min
Apr 27, 10:31 AM CDTMesoscale DiscussionSPCBond, Champaign, Christian, Clark, Clay, Clinton and 35 more119 min
Apr 27, 11:56 AM CDTMesoscale DiscussionSPCCalhoun, Jersey, Macoupin, Madison, Monroe, Saint Clair2 hr
Apr 27, 1:44 PM CDTMesoscale DiscussionSPCAlexander, Gallatin, Hardin, Jackson, Johnson, Massac and 5 more2 hr
Apr 27, 3:55 PM CDTMesoscale DiscussionSPCBond, Calhoun, Clinton, Fayette, Greene, Jersey and 5 more2 hr
Apr 27, 3:58 PM CDTMesoscale DiscussionSPCAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 11 more92 min
Apr 27, 6:18 PM CDTMesoscale DiscussionSPCAlexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 9 more87 min
Apr 27, 8:08 PM CDTMesoscale DiscussionSPCBond, Champaign, Clark, Clay, Clinton, Coles and 27 more97 min
Apr 27, 8:10 PM CDTMesoscale DiscussionSPCAlexander, Pulaski, Union2 hr
Apr 27, 10:09 PM CDTMesoscale DiscussionSPCAlexander, Pulaski2 hr
May 3, 8:49 PM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Christian and 29 more116 min
May 4, 3:42 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 28 more2 hr
May 4, 6:29 PM CDTMesoscale DiscussionSPCBond, Christian, Clark, Clay, Clinton, Coles and 22 more3 hr
May 4, 6:34 PM CDTMesoscale DiscussionSPCAdams, Hancock, Henderson, McDonough, Pike86 min
May 4, 9:31 PM CDTMesoscale DiscussionSPCChampaign, Clark, Coles, Crawford, Cumberland, DeWitt and 14 more119 min
May 15, 9:07 PM CDTMesoscale DiscussionSPCBoone, Carroll, Jo Daviess, Ogle, Stephenson, Winnebago113 min
May 16, 12:29 AM CDTMesoscale DiscussionSPCBoone, McHenry, Stephenson, Winnebago91 min
May 16, 2:13 PM CDTMesoscale DiscussionSPCEdwards, Franklin, Gallatin, Hamilton, Hardin, Jefferson and 10 more2 hr
May 16, 5:10 PM CDTMesoscale DiscussionSPCClay, Edwards, Richland, Wabash, Wayne65 min
May 18, 6:51 AM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Cass, Fulton, Greene and 15 more84 min
May 18, 8:40 AM CDTMesoscale DiscussionSPCCass, Champaign, Christian, Coles, Cumberland, DeWitt and 27 more2 hr
May 18, 11:38 AM CDTMesoscale DiscussionSPCLake67 min
May 19, 12:31 PM CDTMesoscale DiscussionSPCAlexander, Clark, Clay, Crawford, Edwards, Franklin and 19 more119 min
May 31, 2:30 PM CDTMesoscale DiscussionSPCAlexander, Pulaski, Union2 hr
May 31, 4:52 PM CDTMesoscale DiscussionSPCAlexander, Johnson, Massac, Pope, Pulaski, Union113 min
Jun 1, 4:02 AM CDTMesoscale DiscussionSPCMonroe, Saint Clair118 min
Jun 1, 6:01 AM CDTMesoscale DiscussionSPCAlexander, Clinton, Franklin, Gallatin, Hamilton, Hardin and 15 more2 hr
Jun 6, 5:39 AM CDTMesoscale DiscussionSPCChampaign, Ford, Grundy, Iroquois, Kankakee, Livingston and 3 more2 hr
Jun 6, 2:06 PM CDTMesoscale DiscussionSPCIroquois, Kankakee, Vermilion114 min
Jun 8, 12:58 PM CDTMesoscale DiscussionSPCBureau, Carroll, DeKalb, Ford, Grundy, Henry and 16 more92 min
Jun 8, 1:39 PM CDTMesoscale DiscussionSPCChampaign, Clark, Clay, Coles, Crawford, Cumberland and 23 more2 hr
Jun 9, 12:42 PM CDTMesoscale DiscussionSPCAlexander, Bond, Clay, Clinton, Crawford, Edwards and 30 more93 min
Jun 9, 7:05 PM CDTMesoscale DiscussionSPCClark115 min
Jun 10, 7:43 AM CDTMesoscale DiscussionSPCHenderson2 hr
Jun 10, 11:09 AM CDTMesoscale DiscussionSPCAdams, Brown, Carroll, Fulton, Hancock, Henderson and 13 more2 hr
Jun 10, 1:00 PM CDTMesoscale DiscussionSPCBoone, Carroll, Jo Daviess, Lee, McHenry, Ogle and 3 more2 hr
Jun 10, 2:06 PM CDTMesoscale DiscussionSPCBureau, Cass, Champaign, Christian, Cook, DeKalb and 35 more54 min
Jun 10, 3:58 PM CDTMesoscale DiscussionSPCCook, Ford, Grundy, Iroquois, Kankakee, Lake and 2 more2 hr
Jun 10, 6:35 PM CDTMesoscale DiscussionSPCBureau, Cass, Champaign, DeWitt, Douglas, Ford and 23 more55 min
Jun 10, 7:55 PM CDTMesoscale DiscussionSPCCook, DeKalb, DuPage, Ford, Fulton, Grundy and 14 more95 min
Jun 10, 9:22 PM CDTMesoscale DiscussionSPCAdams, Brown, Fulton, Hancock, McDonough, Schuyler83 min
Jun 11, 12:00 AM CDTMesoscale DiscussionSPCChampaign, Christian, Clark, Coles, Crawford, Cumberland and 14 more90 min
Jun 11, 9:53 AM CDTMesoscale DiscussionSPCAdams, Brown, Bureau, Cass, Fulton, Hancock and 20 more97 min
Jun 11, 12:22 PM CDTMesoscale DiscussionSPCBureau, Cass, Fulton, Grundy, Kendall, Knox and 12 more83 min
Jun 11, 1:08 PM CDTMesoscale DiscussionSPCHancock, Henderson3 hr
Jun 11, 3:07 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Fulton, Hancock, Henderson and 7 more113 min
Jun 11, 4:11 PM CDTMesoscale DiscussionSPCFulton, Hancock, Henderson, Henry, Knox, McDonough and 3 more94 min
Jun 11, 5:13 PM CDTMesoscale DiscussionSPCGrundy, Kankakee, LaSalle, Marshall, Will62 min
Jun 11, 6:14 PM CDTMesoscale DiscussionSPCBoone, Bureau, Cass, Cook, DeKalb, DeWitt and 27 more91 min
Jun 11, 6:38 PM CDTMesoscale DiscussionSPCChampaign, Christian, Coles, DeWitt, Douglas, Edgar and 6 more97 min
Jun 11, 8:25 PM CDTMesoscale DiscussionSPCBond, Clark, Clay, Clinton, Crawford, Cumberland and 9 more65 min
Jun 13, 12:40 PM CDTMesoscale DiscussionSPCAlexander, Pulaski, Union95 min
Jun 16, 12:22 PM CDTMesoscale DiscussionSPCChampaign, Ford, Iroquois, Kankakee, McLean, Vermilion113 min
Jun 16, 4:50 PM CDTMesoscale DiscussionSPCColes, Douglas, Edgar, Moultrie85 min
Jun 17, 5:42 AM CDTMesoscale DiscussionSPCCarroll, Henderson, Henry, Jo Daviess, Knox, Mercer and 3 more2 hr
Jun 17, 8:16 AM CDTMesoscale DiscussionSPCBrown, Bureau, Cass, Champaign, Christian, Clark and 37 more59 min
Jun 17, 10:43 AM CDTMesoscale DiscussionSPCBond, Champaign, Christian, Clark, Coles, Crawford and 19 more2 hr
Jun 17, 1:03 PM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Cass, Champaign, Christian and 24 more117 min
Jun 17, 4:00 PM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Champaign and 37 more60 min
Jun 17, 6:50 PM CDTMesoscale DiscussionSPCChristian, Clark, Coles, Crawford, Cumberland, Montgomery and 2 more115 min
Jun 17, 9:03 PM CDTMesoscale DiscussionSPCClay, Crawford, Effingham, Jasper, Lawrence, Richland87 min
Jun 21, 10:06 AM CDTMesoscale DiscussionSPCAlexander, Bond, Clay, Clinton, Coles, Cumberland and 24 more114 min
Jun 21, 2:34 PM CDTMesoscale DiscussionSPCClark, Clay, Crawford, Cumberland, Edwards, Effingham and 5 more116 min
Jun 21, 4:23 PM CDTMesoscale DiscussionSPCClark, Crawford, Edgar, Lawrence97 min
Jun 21, 6:53 PM CDTMesoscale DiscussionSPCBond, Clark, Clay, Clinton, Coles, Crawford and 20 more97 min
Jun 24, 12:44 PM CDTMesoscale DiscussionSPCBoone, Carroll, Cook, DeKalb, DuPage, Grundy and 13 more3 hr
Jun 24, 5:28 PM CDTMesoscale DiscussionSPCBoone, Carroll, Cook, DeKalb, DuPage, Jo Daviess and 8 more92 min
Jun 24, 8:06 PM CDTMesoscale DiscussionSPCBoone, Cook, DeKalb, DuPage, Grundy, Iroquois and 10 more84 min
Jun 25, 1:11 PM CDTMesoscale DiscussionSPCBond, Clay, Clinton, Crawford, Edwards, Effingham and 18 more2 hr
Jun 26, 3:36 PM CDTMesoscale DiscussionSPCAlexander, Gallatin, Hardin, Jackson, Johnson, Massac and 5 more114 min
Jun 27, 9:39 AM CDTMesoscale DiscussionSPCAlexander, Johnson, Massac, Pope, Pulaski, Union3 hr
Jun 27, 3:36 PM CDTMesoscale DiscussionSPCAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 11 more84 min
Jun 27, 6:18 PM CDTMesoscale DiscussionSPCMassac57 min
Jun 28, 10:14 AM CDTMesoscale DiscussionSPCCarroll, Jo Daviess, Rock Island, Whiteside2 hr
Jul 1, 2:34 PM CDTMesoscale DiscussionSPCBoone, Carroll, DeKalb, Henry, Jo Daviess, Kane and 8 more116 min
Jul 2, 1:10 PM CDTMesoscale DiscussionSPCJo Daviess95 min
Jul 2, 2:30 PM CDTMesoscale DiscussionSPCBoone, Jo Daviess, Lake, McHenry, Stephenson, Winnebago90 min
Jul 2, 5:42 PM CDTMesoscale DiscussionSPCCarroll, Jo Daviess, Rock Island, Stephenson, Whiteside2 hr
Jul 2, 6:32 PM CDTMesoscale DiscussionSPCAlexander, Hardin, Johnson, Massac, Pope, Pulaski118 min
Jul 2, 7:40 PM CDTMesoscale DiscussionSPCBoone, Cook, DeKalb, DuPage, Kane, Kendall and 6 more2 hr
Jul 2, 11:43 PM CDTMesoscale DiscussionSPCBureau, Cook, DeKalb, DuPage, Grundy, Henry and 11 more2 hr
Jul 3, 11:15 AM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 27 more2 hr
Jul 3, 1:20 PM CDTMesoscale DiscussionSPCCook, DuPage, Kane, Lake55 min
Jul 3, 5:05 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 19 more115 min
Jul 3, 8:33 PM CDTMesoscale DiscussionSPCBoone, Bureau, Cook, DeKalb, DuPage, Grundy and 18 more117 min
Jul 4, 11:24 AM CDTMesoscale DiscussionSPCChampaign, DeKalb, DeWitt, Douglas, Edgar, Ford and 16 more3 hr
Jul 4, 2:36 PM CDTMesoscale DiscussionSPCMadison, Monroe, Randolph, Saint Clair114 min
Jul 4, 3:51 PM CDTMesoscale DiscussionSPCChampaign, Coles, Cook, DeWitt, Douglas, DuPage and 13 more84 min
Jul 4, 4:56 PM CDTMesoscale DiscussionSPCBond, Clay, Clinton, Crawford, Edwards, Effingham and 24 more2 hr
Jul 9, 12:42 PM CDTMesoscale DiscussionSPCGallatin, Hamilton, Hardin, Johnson, Massac, Pope and 3 more2 hr
Jul 9, 11:12 PM CDTMesoscale DiscussionSPCAlexander, Pulaski, Union93 min
Jul 10, 4:46 PM CDTMesoscale DiscussionSPCBond, Calhoun, Clinton, Fayette, Franklin, Jackson and 14 more119 min
Jul 10, 7:26 PM CDTMesoscale DiscussionSPCAlexander, Clinton, Franklin, Gallatin, Hamilton, Hardin and 15 more94 min
Jul 10, 11:01 PM CDTMesoscale DiscussionSPCAlexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 9 more119 min
Jul 18, 11:37 AM CDTMesoscale DiscussionSPCFord, Grundy, Iroquois, Kankakee, Kendall, Livingston and 1 more113 min
Jul 20, 11:36 AM CDTMesoscale DiscussionSPCHancock, Henderson, McDonough, Mercer, Rock Island, Schuyler and 1 more114 min
Jul 20, 5:37 PM CDTMesoscale DiscussionSPCFulton, Henderson, Henry, Knox, McDonough, Mason and 6 more53 min
Jul 20, 8:30 PM CDTMesoscale DiscussionSPCAdams, Brown, Hancock, McDonough, Schuyler90 min
Jul 21, 12:15 PM CDTMesoscale DiscussionSPCAlexander, Gallatin, Hamilton, Hardin, Johnson, Massac and 7 more90 min
Jul 26, 1:52 PM CDTMesoscale DiscussionSPCBond, Cass, Christian, Clay, Clinton, Coles and 38 more2 hr
Jul 26, 4:48 PM CDTMesoscale DiscussionSPCClay, Edwards, Effingham, Fayette, Gallatin, Hamilton and 9 more87 min
Jul 26, 6:33 PM CDTMesoscale DiscussionSPCEdwards, Gallatin, Hamilton, Wayne, White27 min
Jul 26, 8:51 PM CDTMesoscale DiscussionSPCMassac54 min
Jul 27, 7:52 AM CDTMesoscale DiscussionSPCCook, DuPage, Lake113 min
Jul 27, 9:40 AM CDTMesoscale DiscussionSPCBoone, Cook, DuPage, Kane, Lake, McHenry and 1 more3 hr
Jul 27, 12:24 PM CDTMesoscale DiscussionSPCDuPage, Kankakee, Will96 min
Jul 27, 1:08 PM CDTMesoscale DiscussionSPCClark, Edgar, Iroquois, Kankakee, Vermilion97 min
Jul 27, 2:58 PM CDTMesoscale DiscussionSPCDeWitt, Ford, Fulton, Livingston, Logan, McLean and 5 more92 min
Jul 27, 7:09 PM CDTMesoscale DiscussionSPCClark, Crawford, Edgar, Lawrence, Vermilion, Wabash96 min
Jul 27, 8:55 PM CDTMesoscale DiscussionSPCDuPage, Kane, Kendall, Will95 min
Jul 31, 2:13 PM CDTMesoscale DiscussionSPCAdams, Calhoun, Pike2 hr
Aug 7, 8:48 PM CDTMesoscale DiscussionSPCHancock87 min
Aug 9, 9:20 AM CDTMesoscale DiscussionSPCMcHenry85 min
Aug 9, 1:57 PM CDTMesoscale DiscussionSPCCook, DuPage93 min
Aug 9, 8:14 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 29 more2 hr
Aug 9, 10:53 PM CDTMesoscale DiscussionSPCBureau, Carroll, Cook, DeKalb, DuPage, Grundy and 18 more2 hr
Aug 10, 2:15 AM CDTMesoscale DiscussionSPCIroquois, Kankakee2 hr
Aug 10, 12:47 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, DeKalb, DuPage, Grundy and 14 more2 hr
Aug 10, 5:15 PM CDTMesoscale DiscussionSPCCook, DeKalb, DuPage, Grundy, Kane, Kankakee and 3 more2 hr
Aug 10, 9:07 PM CDTMesoscale DiscussionSPCBoone, Carroll, Jo Daviess, Lee, Ogle, Stephenson and 2 more113 min
Aug 11, 9:00 AM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 27 more2 hr
Aug 11, 2:28 PM CDTMesoscale DiscussionSPCChampaign, Douglas, Edgar, Vermilion2 hr
Aug 11, 5:24 PM CDTMesoscale DiscussionSPCClark, Crawford2 hr
Aug 11, 8:04 PM CDTMesoscale DiscussionSPCBureau, Carroll, Cook, DeKalb, DuPage, Ford and 21 more2 hr
Aug 12, 9:04 AM CDTMesoscale DiscussionSPCBureau, Champaign, DeWitt, Douglas, Edgar, Ford and 20 more116 min
Aug 12, 12:12 PM CDTMesoscale DiscussionSPCCass, Champaign, Christian, Clark, Coles, Cumberland and 25 more63 min
Aug 12, 4:33 PM CDTMesoscale DiscussionSPCAlexander, Clinton, Franklin, Gallatin, Hamilton, Hardin and 17 more117 min
Aug 13, 10:28 AM CDTMesoscale DiscussionSPCChampaign, DeWitt, Ford, Fulton, Hancock, Henderson and 21 more3 hr
Aug 13, 3:22 PM CDTMesoscale DiscussionSPCEdgar83 min
Aug 13, 11:03 PM CDTMesoscale DiscussionSPCBureau, Cass, Champaign, Clark, Coles, DeWitt and 33 more117 min
Aug 14, 11:42 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Fulton, Hancock, Henderson and 8 more2 hr
Aug 15, 4:02 PM CDTMesoscale DiscussionSPCAdams, Hancock, Henderson118 min
Aug 16, 12:12 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Christian, Fulton, Hancock and 10 more93 min
Aug 16, 3:11 PM CDTMesoscale DiscussionSPCCalhoun, Clinton, Jackson, Jersey, Macoupin, Madison and 5 more2 hr
Aug 16, 8:27 PM CDTMesoscale DiscussionSPCBond, Calhoun, Clinton, Jackson, Jersey, Macoupin and 6 more93 min
Aug 18, 5:29 PM CDTMesoscale DiscussionSPCBoone, Carroll, Jo Daviess, McHenry, Ogle, Stephenson and 1 more2 hr
Aug 19, 4:52 PM CDTMesoscale DiscussionSPCChampaign, DeWitt, Ford, Fulton, Grundy, Henderson and 14 more83 min
Aug 19, 8:52 PM CDTMesoscale DiscussionSPCAlexander, Clay, Clinton, Edwards, Franklin, Gallatin and 21 more83 min
Aug 19, 11:04 PM CDTMesoscale DiscussionSPCAlexander, Massac, Pope, Pulaski86 min
Aug 20, 1:49 AM CDTMesoscale DiscussionSPCAlexander, Massac, Pulaski86 min
Aug 21, 2:22 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, DeKalb, Fulton, Grundy and 23 more113 min
Aug 21, 6:13 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, DeKalb, Kane, Kendall and 8 more2 hr
Aug 21, 11:43 PM CDTMesoscale DiscussionSPCCass, Champaign, DeWitt, Logan, McLean, Macon and 3 more92 min
Aug 26, 12:22 PM CDTMesoscale DiscussionSPCChampaign, Douglas, Edgar, Ford, Iroquois, Kankakee and 2 more113 min
Sep 4, 9:01 PM CDTMesoscale DiscussionSPCBoone, Cook, DeKalb, DuPage, Kane, Lake and 1 more3 hr
Sep 5, 3:01 PM CDTMesoscale DiscussionSPCClark, Coles, Crawford, Cumberland, Edgar, Edwards and 4 more119 min
Sep 8, 7:33 PM CDTMesoscale DiscussionSPCMercer, Rock Island117 min
Sep 10, 2:15 PM CDTMesoscale DiscussionSPCAlexander, Massac, Pulaski2 hr
Sep 15, 2:35 PM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Champaign and 40 more115 min
Sep 20, 6:38 PM CDTMesoscale DiscussionSPCBond, Christian, Clark, Clay, Clinton, Coles and 33 more2 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. June 11, 202611mesoscale discussions
  2. April 27, 20268mesoscale discussions
  3. March 11, 20267mesoscale discussions
  4. June 10, 20267mesoscale discussions
  5. March 31, 20266mesoscale discussions
  6. April 2, 20266mesoscale discussions
  7. June 17, 20266mesoscale discussions
  8. July 27, 20266mesoscale discussions
  9. March 10, 20265mesoscale discussions
  10. March 15, 20265mesoscale discussions
  11. April 15, 20265mesoscale discussions
  12. April 17, 20265mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordThe 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.