Alert archive / Illinois / Tornado Watches

Tornado Watches in Illinois, 2015

22 tornado watches in 2015. 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 tornado watches reaches back to 1997.

Tornado Watches by county

Each county as a circle sized by its count in 2015. Tap one for its archive.

Tornado Watches
22
Busiest month
April7 tornado watches
Busiest day
April 9, 20154 tornado 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.

IssuedProductOfficeCountiesLasted
Apr 3, 12:14 PM CDTTornado WatchSPCGallatin, Hardin, Johnson, Massac, Pope, Pulaski and 1 more8 hr
Apr 8, 4:07 PM CDTTornado WatchSPCEdwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 13 more4 hr
Apr 9, 12:58 PM CDTTornado WatchSPCAdams, Brown, Carroll, Hancock, Henderson, Henry and 8 more6 hr
Apr 9, 1:48 PM CDTTornado WatchSPCBoone, Bureau, Cass, Champaign, Christian, Cook and 36 more9 hr
Apr 9, 4:40 PM CDTTornado WatchSPCBond, Calhoun, Clinton, Fayette, Greene, Jersey and 8 more6 hr
Apr 9, 6:48 PM CDTTornado WatchSPCAlexander, Clark, Clay, Coles, Crawford, Cumberland and 26 more6 hr
Apr 25, 12:55 PM CDTTornado WatchSPCAlexander, Bond, Calhoun, Clay, Clinton, Edwards and 30 more7 hr
May 24, 4:14 PM CDTTornado WatchSPCAdams, Alexander, Bond, Brown, Calhoun, Clinton and 16 more8 hr
May 24, 5:34 PM CDTTornado WatchSPCBoone, Bureau, Carroll, Cass, Christian, DeKalb and 36 more7 hr
Jun 11, 5:49 PM CDTTornado WatchSPCBureau, Ford, Fulton, Grundy, Henry, Kendall and 14 more2 hr
Jun 20, 3:49 PM CDTTornado WatchSPCAdams, Brown, Cass, Christian, DeWitt, Fulton and 26 more7 hr
Jun 22, 3:56 PM CDTTornado WatchSPCBureau, Carroll, Cass, Champaign, Coles, DeKalb and 34 more9 hr
Jun 22, 8:17 PM CDTTornado WatchSPCIroquois, Kankakee, Will6 hr
Jun 28, 3:03 PM CDTTornado WatchSPCAdams, Bond, Brown, Calhoun, Cass, Clinton and 18 more8 hr
Jul 8, 6:05 PM CDTTornado WatchSPCAlexander, Clay, Clinton, Edwards, Franklin, Gallatin and 22 more7 hr
Jul 13, 4:01 PM CDTTornado WatchSPCBoone, Bureau, Carroll, Cass, Champaign, Christian and 52 more7 hr
Jul 13, 7:22 PM CDTTornado WatchSPCClark, Clay, Crawford, Cumberland, Effingham, Jasper and 2 more7 hr
Jul 18, 1:31 PM CDTTornado WatchSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 20 more5 hr
Aug 18, 1:35 PM CDTTornado WatchSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 33 more8 hr
Nov 11, 3:20 PM CSTTornado WatchSPCAdams, Brown, Bureau, Carroll, Cass, Fulton and 23 more6 hr
Dec 23, 9:13 AM CSTTornado WatchSPCAlexander, Bond, Champaign, Christian, Clark, Clay and 38 more8 hr
Dec 23, 1:55 PM CSTTornado WatchSPCAdams, Brown, Bureau, Calhoun, Cass, Fulton and 24 more4 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. April 9, 20154tornado watches
  2. May 24, 20152tornado watches
  3. December 23, 20152tornado watches
  4. April 3, 20151tornado watches
  5. April 8, 20151tornado watches
  6. April 25, 20151tornado watches
  7. June 11, 20151tornado watches
  8. June 20, 20151tornado watches
  9. June 22, 20151tornado watches
  10. June 23, 20151tornado watches
  11. June 28, 20151tornado watches
  12. July 8, 20151tornado watches

Nearby

Alerts in force nowTornadoes on recordThe radar archive20142016

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.