Alert archive / Illinois / Special Marine Warnings

Special Marine Warnings in Illinois, 2025

51 special marine warnings in 2025. 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 special marine warnings reaches back to 1986.

Special Marine Warnings by county

Each county as a circle sized by its count in 2025. Tap one for its archive.

Special Marine Warnings
51
Busiest month
August17 special marine warnings
Busiest day
August 12, 20256 special marine warnings

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
Mar 11, 8:20 AM CDTSpecial Marine WarningLOT91 min
Mar 14, 11:36 PM CDTSpecial Marine WarningLOT114 min
Mar 15, 1:26 AM CDTSpecial Marine WarningLOT79 min
Mar 19, 4:56 PM CDTSpecial Marine WarningLOT2 hr
Mar 28, 7:07 AM CDTSpecial Marine WarningLOT38 min
Mar 30, 2:03 PM CDTSpecial Marine WarningLOT100 min
Apr 18, 11:02 PM CDTSpecial Marine WarningLOT58 min
May 15, 6:20 PM CDTSpecial Marine WarningLOT55 min
May 15, 7:27 PM CDTSpecial Marine WarningLOT93 min
May 15, 7:54 PM CDTSpecial Marine WarningLOT81 min
May 16, 6:22 PM CDTSpecial Marine WarningLOT113 min
May 30, 8:44 PM CDTSpecial Marine WarningLOT46 min
Jun 3, 1:50 PM CDTSpecial Marine WarningLOT85 min
Jun 3, 9:25 PM CDTSpecial Marine WarningLOT80 min
Jun 3, 10:37 PM CDTSpecial Marine WarningLOT20 min
Jun 8, 3:32 PM CDTSpecial Marine WarningLOT118 min
Jun 8, 3:38 PM CDTSpecial Marine WarningLOT112 min
Jun 18, 2:44 PM CDTSpecial Marine WarningLOT61 min
Jun 19, 4:58 PM CDTSpecial Marine WarningLOT77 min
Jun 24, 1:38 PM CDTSpecial Marine WarningLOT37 min
Jun 26, 7:44 PM CDTSpecial Marine WarningLOT91 min
Jun 29, 12:49 PM CDTSpecial Marine WarningLOT41 min
Jun 29, 8:07 PM CDTSpecial Marine WarningLOT68 min
Jul 11, 7:48 PM CDTSpecial Marine WarningLOT3 hr
Jul 16, 2:45 PM CDTSpecial Marine WarningLOT2 hr
Jul 16, 4:41 PM CDTSpecial Marine WarningLOT34 min
Jul 24, 2:23 PM CDTSpecial Marine WarningLOT2 hr
Aug 10, 6:47 PM CDTSpecial Marine WarningLOT43 min
Aug 11, 9:24 PM CDTSpecial Marine WarningLOT66 min
Aug 11, 10:05 PM CDTSpecial Marine WarningLOT55 min
Aug 11, 10:21 PM CDTSpecial Marine WarningLOT69 min
Aug 11, 10:53 PM CDTSpecial Marine WarningLOT60 min
Aug 12, 2:32 PM CDTSpecial Marine WarningLOT118 min
Aug 12, 4:20 PM CDTSpecial Marine WarningLOT115 min
Aug 16, 3:10 PM CDTSpecial Marine WarningLOT2 hr
Aug 16, 3:48 PM CDTSpecial Marine WarningLOT117 min
Aug 16, 5:59 PM CDTSpecial Marine WarningLOT2 hr
Aug 16, 7:17 PM CDTSpecial Marine WarningLOT118 min
Aug 16, 11:19 PM CDTSpecial Marine WarningLOT56 min
Aug 16, 11:59 PM CDTSpecial Marine WarningLOT91 min
Aug 17, 2:17 AM CDTSpecial Marine WarningLOT65 min
Aug 18, 4:29 PM CDTSpecial Marine WarningLOT2 hr
Aug 18, 8:32 PM CDTSpecial Marine WarningLOT88 min
Aug 19, 12:05 AM CDTSpecial Marine WarningLOT115 min
Sep 13, 7:37 AM CDTSpecial Marine WarningLOT38 min
Sep 21, 3:46 PM CDTSpecial Marine WarningLOT119 min
Sep 21, 4:41 PM CDTSpecial Marine WarningLOT38 min
Sep 21, 5:08 PM CDTSpecial Marine WarningLOT82 min
Oct 6, 3:22 PM CDTSpecial Marine WarningLOT83 min
Nov 7, 6:30 PM CSTSpecial Marine WarningLOT75 min
Nov 10, 12:08 PM CSTSpecial Marine WarningLOT40 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. August 12, 20256special marine warnings
  2. August 17, 20254special marine warnings
  3. May 16, 20253special marine warnings
  4. August 16, 20253special marine warnings
  5. September 21, 20253special marine warnings
  6. March 15, 20252special marine warnings
  7. June 4, 20252special marine warnings
  8. June 8, 20252special marine warnings
  9. July 16, 20252special marine warnings
  10. August 19, 20252special marine warnings
  11. March 11, 20251special marine warnings
  12. March 19, 20251special marine warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20242026

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.