Alert archive / Illinois / Severe Thunderstorm Watches
Severe Thunderstorm Watches in Illinois, 2007
42 severe thunderstorm watches in 2007. 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 2007. Tap one for its archive.
- Severe Thunderstorm Watches
- 42
- Busiest month
- August13 severe thunderstorm watches
- Busiest day
- March 1, 20073 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 |
|---|---|---|---|---|
| Feb 20, 5:07 PM CST | Severe Thunderstorm Watch | SPC | Alexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more | 7 hr |
| Mar 1, 12:16 AM CST | Severe Thunderstorm Watch | SPC | Adams, Brown, Calhoun, Cass, Christian, Greene and 11 more | 6 hr |
| Mar 1, 1:05 AM CST | Severe Thunderstorm Watch | SPC | Gallatin, Hardin, Johnson, Massac, Pope, Pulaski and 1 more | 7 hr |
| Mar 1, 11:25 AM CST | Severe Thunderstorm Watch | SPC | Boone, Bureau, Cook, DeKalb, DuPage, Ford and 23 more | 6 hr |
| Mar 22, 5:03 AM CDT | Severe Thunderstorm Watch | SPC | Champaign, Coles, Douglas, Edgar, Ford, Iroquois and 1 more | 4 hr |
| Apr 2, 9:22 PM CDT | Severe Thunderstorm Watch | SPC | Carroll, Jo Daviess, Rock Island, Stephenson, Whiteside | 8 hr |
| Apr 3, 4:19 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Bureau, Fulton, Hancock, Henderson and 16 more | 6 hr |
| Apr 3, 9:48 AM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Cass, Champaign, Christian, Clark and 32 more | 6 hr |
| Apr 22, 1:17 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 11 more | 8 hr |
| May 15, 11:02 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 46 more | 7 hr |
| May 15, 12:53 PM CDT | Severe Thunderstorm Watch | SPC | Ford, Iroquois, Kankakee, Livingston | 7 hr |
| Jun 8, 8:45 AM CDT | Severe Thunderstorm Watch | SPC | Gallatin, Hardin, Massac, Pope | 6 hr |
| Jun 21, 3:55 PM CDT | Severe Thunderstorm Watch | SPC | Henderson, Mercer, Rock Island, Warren | 3 hr |
| Jun 21, 6:47 PM CDT | Severe Thunderstorm Watch | SPC | Carroll, Hancock, Henderson, Henry, Jo Daviess, Knox and 6 more | 4 hr |
| Jun 21, 9:05 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Cass, Champaign, Christian, Clark and 35 more | 5 hr |
| Jun 21, 9:05 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Cass, Champaign, Christian, Clark, Clay and 36 more | 6 hr |
| Jul 4, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Bond, Brown, Calhoun, Christian, Clark and 45 more | 7 hr |
| Jul 9, 2:23 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Cook, DeKalb, DuPage, Kane, Kendall and 6 more | 6 hr |
| Jul 10, 1:43 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Carroll, Cook, DeKalb, DuPage, Kane and 7 more | 5 hr |
| Jul 14, 6:05 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Cass, Christian, Fulton, Greene and 10 more | 6 hr |
| Jul 17, 4:37 AM CDT | Severe Thunderstorm Watch | SPC | Henry, Mercer, Rock Island, Whiteside | 3 hr |
| Jul 17, 1:25 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 12 more | 6 hr |
| Jul 17, 9:31 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Carroll, DeKalb, Jo Daviess, Lee, Ogle and 3 more | 6 hr |
| Jul 18, 5:35 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, DeKalb, DeWitt, Fulton and 25 more | 6 hr |
| Jul 18, 7:29 PM CDT | Severe Thunderstorm Watch | SPC | Cook, DuPage, Ford, Grundy, Iroquois, Kane and 5 more | 7 hr |
| Jul 18, 11:07 PM CDT | Severe Thunderstorm Watch | SPC | Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 4 more | 4 hr |
| Jul 19, 1:42 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Clay, Clinton, Crawford, Edwards and 30 more | 6 hr |
| Aug 7, 4:45 PM CDT | Severe Thunderstorm Watch | SPC | Hancock, Henderson | 6 hr |
| Aug 8, 3:50 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Calhoun, Cass, Champaign, Christian and 28 more | 4 hr |
| Aug 8, 3:52 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Cass, Champaign, Christian, Clark and 29 more | 4 hr |
| Aug 12, 9:23 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Calhoun, Pike | 4 hr |
| Aug 14, 2:45 AM CDT | Severe Thunderstorm Watch | SPC | Bureau, Carroll, Cass, DeKalb, DeWitt, Fulton and 27 more | 4 hr |
| Aug 14, 5:13 AM CDT | Severe Thunderstorm Watch | SPC | Grundy, Kane, Kankakee, Kendall, Will | 86 min |
| Aug 15, 7:52 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, DeKalb, Grundy, Henry and 20 more | 5 hr |
| Aug 16, 9:58 AM CDT | Severe Thunderstorm Watch | SPC | Bond, Christian, Clark, Clay, Crawford, Cumberland and 13 more | 5 hr |
| Aug 16, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | Edwards, Hamilton, Wabash, Wayne, White | 4 hr |
| Aug 23, 12:28 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 35 more | 7 hr |
| Aug 23, 7:10 PM CDT | Severe Thunderstorm Watch | SPC | Bureau, Cook, Ford, Fulton, Grundy, Hancock and 20 more | 5 hr |
| Aug 24, 12:19 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Cass, Champaign, Christian, Clark and 37 more | 8 hr |
| Aug 24, 3:04 PM CDT | Severe Thunderstorm Watch | SPC | Ford, Iroquois | 7 hr |
| Sep 25, 2:59 PM CDT | Severe Thunderstorm Watch | SPC | Ford, Iroquois, Kankakee, Will | 6 hr |
| Oct 2, 2:56 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Pike | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Mason County14
- Brown County12
- Logan County12
- Morgan County12
- Pike County12
- Scott County12
- Tazewell County12
- Rock Island County12
- Fulton County12
- Hancock County12
- McDonough County12
- Mercer County12
- Cass County11
- Christian County11
- Greene County11
- Macoupin County11
- Menard County11
- Montgomery County11
- Sangamon County11
- Schuyler County11
- Whiteside County11
- Henderson County11
- Adams County10
- McLean County10
- Peoria County10
- Woodford County10
- Henry County10
- Knox County10
- Warren County10
- Crawford County10
- Effingham County10
- Jasper County10
- Marshall County9
- Stark County9
- Coles County9
- Clark County9
- Cumberland County9
- DeWitt County9
- Fayette County9
- Moultrie County9
62 more counties
- Shelby County9
- Calhoun County8
- Bureau County8
- DeKalb County8
- Ford County8
- Iroquois County8
- Lee County8
- Ogle County8
- Putnam County8
- Winnebago County8
- Champaign County8
- Douglas County8
- Edgar County8
- Vermilion County8
- Carroll County8
- Stephenson County8
- Clay County8
- Lawrence County8
- Macon County8
- Richland County8
- Boone County7
- Kane County7
- Kankakee County7
- Kendall County7
- Livingston County7
- Will County7
- Jo Daviess County7
- Piatt County7
- Hardin County6
- Pope County6
- Jersey County6
- Cook County6
- Grundy County6
- LaSalle County6
- Bond County6
- Johnson County5
- Massac County5
- Gallatin County5
- DuPage County5
- Lake County5
- McHenry County5
- Clinton County5
- Madison County5
- Marion County5
- Monroe County5
- Saint Clair County5
- Washington County5
- Randolph County5
- Wabash County5
- Pulaski County4
- Union County4
- Saline County4
- Edwards County4
- Hamilton County4
- White County4
- Alexander County3
- Franklin County3
- Jackson County3
- Perry County3
- Wayne County3
- Williamson County3
- Jefferson County2
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20062008
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.