Alert archive / Illinois / Will County

Dense Fog Advisories in Will County, Illinois

69 dense fog advisories since 1986. An alert counts here when it covered this county. The archive of dense fog advisories reaches back to 2005.

Will County and its neighbors

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

Dense Fog Advisories
69
Busiest year
202315 dense fog advisories
Average year
10over 7 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.

The latest dense fog advisories

The most recent on file, newest first.

IssuedProductOfficeLasted
Sep 28, 3:44 AM CDTDense Fog AdvisoryLOT6 hr
Sep 10, 3:11 AM CDTDense Fog AdvisoryLOT5 hr
Aug 13, 2:42 AM CDTDense Fog AdvisoryLOT6 hr
Aug 7, 2:46 AM CDTDense Fog AdvisoryLOT6 hr
Apr 16, 7:01 PM CDTDense Fog AdvisoryLOT15 hr
Mar 4, 8:34 PM CSTDense Fog AdvisoryLOT37 hr
Feb 27, 5:58 AM CSTDense Fog AdvisoryLOT2 hr
Feb 16, 5:20 AM CSTDense Fog AdvisoryLOT4 hr
Feb 15, 7:24 AM CSTDense Fog AdvisoryLOT3 hr
Jan 7, 7:15 AM CSTDense Fog AdvisoryLOT5 hr

Nearby

Alerts in force nowTornadoes on recordForecastThe 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. Warning verification from the Mesonet's Cow. Rebuilt daily.