Alert archive / Illinois / Severe Thunderstorm Watches
Severe Thunderstorm Watches in Illinois, 2010
65 severe thunderstorm watches in 2010. 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 severe thunderstorm watches reaches back to 1997.
Severe Thunderstorm Watches by county
Each county as a circle sized by its count in 2010. Tap one for its archive.
- Severe Thunderstorm Watches
- 65
- Busiest month
- June30 severe thunderstorm watches
- Busiest day
- June 18, 20105 severe thunderstorm watches
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 4, 8:43 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Clinton, Fayette, Jersey, Macoupin, Madison and 6 more | 5 hr |
| Apr 5, 11:07 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Carroll, Cook, DeKalb, DuPage, Jo Daviess and 11 more | 5 hr |
| Apr 6, 4:44 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 16 more | 4 hr |
| Apr 6, 9:28 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Boone, Brown, Bureau, Carroll, Cook and 28 more | 6 hr |
| May 3, 1:45 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Champaign, Christian, Clark, Clay and 41 more | 6 hr |
| May 7, 5:53 PM CDT | Severe Thunderstorm Watch | SPC | Gallatin, Hardin, Massac, Pope | 7 hr |
| May 12, 11:58 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 16 more | 5 hr |
| May 13, 6:53 AM CDT | Severe Thunderstorm Watch | SPC | Champaign, Christian, DeWitt, Ford, Iroquois, Kankakee and 11 more | 2 hr |
| Jun 1, 6:25 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Hancock, Henderson, McDonough, Mercer, Rock Island and 1 more | 8 hr |
| Jun 1, 11:49 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Calhoun, Cass, Christian, DeWitt, Fulton and 21 more | 4 hr |
| Jun 2, 1:54 AM CDT | Severe Thunderstorm Watch | SPC | Bond, Champaign, Clark, Clay, Clinton, Coles and 20 more | 4 hr |
| Jun 2, 1:36 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 3 more | 5 hr |
| Jun 4, 3:54 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Cass, Champaign, DeWitt, Fulton and 19 more | 7 hr |
| Jun 4, 5:29 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Cook, DeKalb, DuPage, Ford, Grundy and 12 more | 5 hr |
| Jun 4, 10:58 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Hancock | 5 hr |
| Jun 12, 12:50 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Cass, Champaign, Christian, Coles and 34 more | 7 hr |
| Jun 12, 1:31 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Clark, Clay, Clinton, Crawford and 15 more | 5 hr |
| Jun 13, 12:24 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 44 more | 7 hr |
| Jun 14, 2:17 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Champaign, Christian, Clark, Clay and 25 more | 8 hr |
| Jun 15, 12:29 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Bond, Calhoun, Champaign, Christian, Clark and 46 more | 9 hr |
| Jun 17, 11:25 AM CDT | Severe Thunderstorm Watch | SPC | Alexander, Massac, Pulaski | 8 hr |
| Jun 17, 9:01 PM CDT | Severe Thunderstorm Watch | SPC | Rock Island | 6 hr |
| Jun 17, 11:23 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Jo Daviess, Stephenson, Winnebago | 4 hr |
| Jun 18, 9:06 AM CDT | Severe Thunderstorm Watch | SPC | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 7 hr |
| Jun 18, 12:29 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 33 more | 9 hr |
| Jun 18, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | Champaign, Clark, Coles, Crawford, Cumberland, DeWitt and 9 more | 6 hr |
| Jun 18, 8:05 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Bureau, Cass, Christian, Cook and 36 more | 4 hr |
| Jun 18, 11:38 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 29 more | 5 hr |
| Jun 19, 1:48 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 9 more | 5 hr |
| Jun 21, 12:58 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Calhoun, Cass, Christian, DeWitt and 21 more | 4 hr |
| Jun 21, 9:51 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Cass, Champaign, Christian, Clark and 41 more | 7 hr |
| Jun 22, 10:35 AM CDT | Severe Thunderstorm Watch | SPC | Bond, Brown, Cass, Christian, Clark, Clay and 20 more | 5 hr |
| Jun 23, 3:38 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Cook, DeKalb, DuPage, Grundy and 14 more | 6 hr |
| Jun 23, 2:44 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Calhoun, Greene, Jersey, Pike | 7 hr |
| Jun 23, 6:50 PM CDT | Severe Thunderstorm Watch | SPC | Cass, Champaign, Christian, Coles, DeWitt, Douglas and 12 more | 5 hr |
| Jun 25, 7:42 PM CDT | Severe Thunderstorm Watch | SPC | Jo Daviess, Stephenson | 7 hr |
| Jun 26, 11:14 PM CDT | Severe Thunderstorm Watch | SPC | Carroll, Jo Daviess, Stephenson | 5 hr |
| Jun 27, 5:04 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Christian, Clark, Clay, Clinton and 26 more | 4 hr |
| Jul 11, 3:37 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Franklin, Gallatin, Hardin, Jackson, Johnson and 9 more | 7 hr |
| Jul 12, 3:55 PM CDT | Severe Thunderstorm Watch | SPC | Madison, Monroe, Randolph, Saint Clair | 7 hr |
| Jul 15, 11:57 AM CDT | Severe Thunderstorm Watch | SPC | Champaign, Christian, Clark, Coles, Cumberland, DeWitt and 19 more | 8 hr |
| Jul 18, 3:05 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Hancock, Henderson, McDonough, Pike and 1 more | 5 hr |
| Jul 18, 6:22 AM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Cass, Champaign, Christian, Clay and 33 more | 5 hr |
| Jul 19, 10:38 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 36 more | 6 hr |
| Jul 19, 2:36 PM CDT | Severe Thunderstorm Watch | SPC | Edwards, Franklin, Gallatin, Hamilton, Hardin, Jefferson and 7 more | 5 hr |
| Jul 19, 7:44 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Cass, Christian, DeWitt, Fulton and 27 more | 6 hr |
| Jul 20, 7:36 AM CDT | Severe Thunderstorm Watch | SPC | Calhoun, Clinton, Greene, Jersey, Macoupin, Madison and 4 more | 4 hr |
| Jul 22, 3:50 PM CDT | Severe Thunderstorm Watch | SPC | Carroll, Jo Daviess, Stephenson | 6 hr |
| Jul 23, 3:01 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 21 more | 5 hr |
| Jul 24, 1:53 PM CDT | Severe Thunderstorm Watch | SPC | Bureau, Cass, Champaign, Christian, Coles, DeWitt and 37 more | 7 hr |
| Jul 24, 3:32 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Calhoun, Pike | 6 hr |
| Jul 28, 2:23 PM CDT | Severe Thunderstorm Watch | SPC | Bureau, Cass, Champaign, DeWitt, Ford, Fulton and 27 more | 5 hr |
| Jul 30, 1:49 PM CDT | Severe Thunderstorm Watch | SPC | Monroe, Randolph | 7 hr |
| Aug 4, 1:57 AM CDT | Severe Thunderstorm Watch | SPC | Bureau, Cook, DeKalb, DuPage, Ford, Fulton and 25 more | 6 hr |
| Aug 4, 3:12 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 29 more | 6 hr |
| Aug 8, 10:08 PM CDT | Severe Thunderstorm Watch | SPC | Carroll, Henderson, Henry, Jo Daviess, Mercer, Rock Island and 3 more | 7 hr |
| Aug 13, 2:14 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Boone, Brown, Bureau, Carroll, Cass and 40 more | 7 hr |
| Aug 20, 1:58 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Boone, Brown, Bureau, Carroll, Cass and 35 more | 8 hr |
| Sep 2, 4:43 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Cass, Champaign, Christian, Clark and 40 more | 6 hr |
| Sep 18, 2:21 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Calhoun, Greene, Jersey, Madison and 1 more | 8 hr |
| Sep 18, 9:25 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Pike | 8 hr |
| Sep 19, 4:00 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 23 more | 6 hr |
| Sep 21, 1:31 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 30 more | 7 hr |
| Sep 21, 1:54 PM CDT | Severe Thunderstorm Watch | SPC | Adams | 7 hr |
| Dec 31, 2:25 AM CST | Severe Thunderstorm Watch | SPC | Madison, Monroe, Saint Clair | 2 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Sangamon County24
- Adams County23
- Pike County23
- Brown County22
- Christian County22
- Logan County22
- Menard County22
- Schuyler County21
- DeWitt County21
- Greene County21
- Macon County21
- Piatt County21
- Cass County21
- Mason County21
- Macoupin County20
- Hancock County20
- Moultrie County20
- Morgan County20
- Scott County20
- Jersey County19
- Madison County19
- Montgomery County19
- Fulton County19
- McDonough County19
- Calhoun County19
- McLean County19
- Shelby County19
- Tazewell County19
- Henderson County18
- Warren County18
- Champaign County18
- Coles County18
- Monroe County17
- Kendall County17
- Peoria County17
- Douglas County17
- Vermilion County17
- Bond County16
- Fayette County16
- Saint Clair County16
62 more counties
- Will County16
- LaSalle County16
- Mercer County16
- Edgar County16
- Livingston County16
- Grundy County15
- Henry County15
- Knox County15
- Stark County15
- Cumberland County15
- Ford County15
- Iroquois County15
- Woodford County15
- Jo Daviess County14
- Rock Island County14
- Stephenson County14
- Marshall County14
- Clark County14
- Kankakee County14
- Clinton County13
- Marion County13
- Randolph County13
- Bureau County13
- Putnam County13
- Effingham County13
- Jasper County13
- Washington County12
- Carroll County12
- Cook County12
- DeKalb County12
- DuPage County12
- Kane County12
- Lee County12
- Whiteside County12
- Crawford County12
- Boone County11
- Ogle County11
- Winnebago County11
- Lake County10
- McHenry County10
- Clay County10
- Richland County10
- Lawrence County9
- Gallatin County5
- Hardin County5
- Massac County5
- Pope County5
- Franklin County4
- Jefferson County4
- Perry County4
- Alexander County4
- Johnson County4
- Pulaski County4
- Saline County4
- Edwards County3
- Hamilton County3
- Jackson County3
- Wabash County3
- Wayne County3
- White County3
- Union County3
- Williamson County3
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20092011
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.