Alert archive / Illinois / Severe Thunderstorm Watches
Severe Thunderstorm Watches in Illinois, 2016
35 severe thunderstorm watches in 2016. 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 2016. Tap one for its archive.
- Severe Thunderstorm Watches
- 35
- Busiest month
- July11 severe thunderstorm watches
- Busiest day
- July 6, 20163 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 |
|---|---|---|---|---|
| Mar 15, 8:40 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Cook, DeKalb, DuPage, Ford, Grundy and 7 more | 4 hr |
| Mar 27, 3:50 PM CDT | Severe Thunderstorm Watch | SPC | Crawford, Edwards, Gallatin, Hamilton, Hardin, Johnson and 10 more | 6 hr |
| Apr 25, 2:17 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 20 more | 8 hr |
| Apr 26, 11:52 AM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Christian, Clay, Clinton, Effingham and 18 more | 7 hr |
| Apr 26, 3:03 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Clark, Coles, Crawford, Cumberland, Edgar and 19 more | 6 hr |
| Apr 30, 3:59 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Brown, Calhoun, Clinton, Fayette, Greene and 10 more | 6 hr |
| May 1, 6:58 PM CDT | Severe Thunderstorm Watch | SPC | Clark, Clay, Crawford, Cumberland, Edgar, Effingham and 3 more | 4 hr |
| May 7, 3:42 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Christian, Clark, Clay, Clinton and 26 more | 5 hr |
| May 7, 6:08 PM CDT | Severe Thunderstorm Watch | SPC | Franklin, Gallatin, Saline | 6 hr |
| May 9, 8:16 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Gallatin, Hardin, Jackson, Johnson, Massac and 5 more | 6 hr |
| May 10, 12:59 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more | 9 hr |
| May 11, 12:10 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Cass, Champaign, Christian, Clark and 48 more | 12 hr |
| May 11, 6:30 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Clinton, Franklin, Gallatin, Greene and 19 more | 7 hr |
| May 13, 1:25 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Fulton, Hancock, Henderson, Knox and 5 more | 6 hr |
| May 28, 1:37 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Boone, Brown, Bureau, Carroll, DeKalb and 24 more | 7 hr |
| Jun 14, 4:03 PM CDT | Severe Thunderstorm Watch | SPC | Carroll, Jo Daviess, Stephenson | 7 hr |
| Jun 15, 12:39 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 10 more | 8 hr |
| Jun 15, 3:00 PM CDT | Severe Thunderstorm Watch | SPC | Clark, Clay, Coles, Crawford, Cumberland, Douglas and 9 more | 5 hr |
| Jun 20, 3:03 PM CDT | Severe Thunderstorm Watch | SPC | Champaign, DeWitt, Douglas, Edgar, Ford, Iroquois and 5 more | 7 hr |
| Jun 21, 11:18 PM CDT | Severe Thunderstorm Watch | SPC | Hancock, Henderson, McDonough, Mercer, Rock Island, Warren | 6 hr |
| Jun 22, 4:25 AM CDT | Severe Thunderstorm Watch | SPC | Cass, Champaign, Christian, Coles, Cumberland, DeWitt and 15 more | 3 hr |
| Jul 5, 9:50 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Carroll, DeKalb, Jo Daviess, Lee, Ogle and 4 more | 7 hr |
| Jul 6, 1:55 AM CDT | Severe Thunderstorm Watch | SPC | Bureau, Cass, Champaign, Cook, DeWitt, DuPage and 33 more | 6 hr |
| Jul 6, 10:48 AM CDT | Severe Thunderstorm Watch | SPC | Alexander, Gallatin, Hardin, Jackson, Johnson, Massac and 5 more | 5 hr |
| Jul 7, 6:01 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 15 more | 6 hr |
| Jul 7, 12:39 PM CDT | Severe Thunderstorm Watch | SPC | Edwards, Gallatin, Hamilton, Hardin, Johnson, Massac and 5 more | 4 hr |
| Jul 13, 11:14 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Calhoun, Hancock, Pike | 5 hr |
| Jul 13, 2:37 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Bureau, Cass, Champaign, Christian, Clark and 76 more | 5 hr |
| Jul 17, 9:02 PM CDT | Severe Thunderstorm Watch | SPC | Ford, Grundy, Iroquois, Kankakee, LaSalle, Livingston and 1 more | 4 hr |
| Jul 19, 2:18 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 2 more | 6 hr |
| Jul 21, 6:18 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 26 more | 6 hr |
| Jul 23, 3:23 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 16 more | 7 hr |
| Aug 4, 4:44 PM CDT | Severe Thunderstorm Watch | SPC | Carroll, Jo Daviess, Rock Island, Stephenson, Whiteside | 6 hr |
| Aug 4, 8:59 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, DeKalb, Henderson, Henry, Kane and 11 more | 3 hr |
| Oct 19, 12:42 PM CDT | Severe Thunderstorm Watch | SPC | Clinton, Jackson, Monroe, Perry, Randolph, Saint Clair and 1 more | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Gallatin County10
- Saline County10
- Hardin County9
- Johnson County9
- Pope County9
- Hamilton County8
- Massac County8
- Williamson County8
- Rock Island County8
- Calhoun County8
- Clinton County8
- Greene County8
- Jersey County8
- Macoupin County8
- Madison County8
- Monroe County8
- Pike County8
- Saint Clair County8
- Washington County8
- Union County8
- Boone County7
- DeKalb County7
- Grundy County7
- Kankakee County7
- McHenry County7
- Will County7
- Crawford County7
- Edwards County7
- Lawrence County7
- Pulaski County7
- Richland County7
- Wabash County7
- White County7
- Bureau County7
- Carroll County7
- Henry County7
- LaSalle County7
- Lee County7
- Mercer County7
- Putnam County7
62 more counties
- Stephenson County7
- Whiteside County7
- Bond County7
- Fayette County7
- Jackson County7
- Marion County7
- Montgomery County7
- Randolph County7
- Cumberland County7
- Henderson County7
- Warren County7
- Ford County6
- Iroquois County6
- Kane County6
- Kendall County6
- Wayne County6
- Knox County6
- Marshall County6
- Ogle County6
- Stark County6
- Winnebago County6
- Clay County6
- Effingham County6
- Shelby County6
- Clark County6
- Edgar County6
- Franklin County6
- Jasper County6
- Brown County6
- Hancock County6
- McDonough County6
- Jo Daviess County6
- Cook County5
- DuPage County5
- Lake County5
- Christian County5
- Morgan County5
- Perry County5
- Sangamon County5
- Alexander County5
- Coles County5
- Champaign County5
- DeWitt County5
- Douglas County5
- Mason County5
- Piatt County5
- Adams County5
- Schuyler County5
- Peoria County5
- Tazewell County5
- Woodford County5
- Livingston County5
- McLean County5
- Scott County4
- Jefferson County4
- Cass County4
- Logan County4
- Macon County4
- Menard County4
- Moultrie County4
- Vermilion County4
- Fulton County4
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20152017
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.