Alert archive / Illinois

Small Craft Advisories in Illinois

2,151 small craft advisories since 1986. 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 small craft advisories reaches back to 2005.

Small Craft Advisories by county

Each county as a circle sized by its count since 1986. Tap one for its archive.

Small Craft Advisories
2,151
Busiest year
2022133 small craft advisories
Average year
113over 19 years on file

Over time

By year

Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.

By month of the year

The latest small craft advisories

The most recent on file, newest first.

IssuedProductOfficeCountiesLasted
Sep 19, 2:56 PM CDTSmall Craft AdvisoryLOT4 days
Sep 18, 3:06 PM CDTSmall Craft AdvisoryLOT24 hr
Sep 17, 2:50 PM CDTSmall Craft AdvisoryLOT24 hr
Sep 14, 3:07 AM CDTSmall Craft AdvisoryLOT30 hr
Sep 12, 2:48 PM CDTSmall Craft AdvisoryLOT36 hr
Sep 4, 12:42 PM CDTSmall Craft AdvisoryLOT6 hr
Aug 30, 3:01 AM CDTSmall Craft AdvisoryLOT12 hr
Aug 22, 2:50 AM CDTSmall Craft AdvisoryLOT31 hr
Jul 31, 3:16 AM CDTSmall Craft AdvisoryLOT3 days
Jul 27, 3:56 AM CDTSmall Craft AdvisoryLOT51 hr
Jul 20, 8:37 PM CDTSmall Craft AdvisoryLOT49 hr
Jul 18, 3:49 AM CDTSmall Craft AdvisoryLOT30 hr

Nearby

Alerts in force nowTornadoes on recordThe radar archive

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.