Alert archive / Illinois / River Flood Warnings / 2018

River Flood Warnings in Illinois, May 2018

42 river flood warnings in May 2018. 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 river flood warnings reaches back to 2005.

River Flood Warnings by county

Each county as a circle sized by its count in May 2018. Tap one for its archive.

River Flood Warnings
42
Busiest day
May 2, 20189 river flood warnings

Over time

By day

Days in UTC, the clock the archive keeps.

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
May 1, 10:01 PM CDTRiver Flood WarningDVNJo Daviess12 days
May 1, 10:01 PM CDTRiver Flood WarningDVNCarroll, Whiteside15 days
May 1, 10:01 PM CDTRiver Flood WarningDVNRock Island15 days
May 1, 10:01 PM CDTRiver Flood WarningDVNRock Island18 days
May 1, 10:01 PM CDTRiver Flood WarningDVNMercer, Rock Island19 days
May 1, 10:01 PM CDTRiver Flood WarningDVNMercer21 days
May 1, 10:01 PM CDTRiver Flood WarningDVNHenderson, Mercer21 days
May 1, 10:01 PM CDTRiver Flood WarningDVNHenderson23 days
May 1, 10:01 PM CDTRiver Flood WarningDVNHancock, Henderson23 days
May 3, 8:48 AM CDTRiver Flood WarningLOTKane, Kendall6 days
May 3, 11:40 AM CDTRiver Flood WarningLSXAdams21 days
May 3, 11:40 AM CDTRiver Flood WarningLSXAdams20 days
May 3, 11:40 AM CDTRiver Flood WarningLSXAdams19 days
May 3, 11:40 AM CDTRiver Flood WarningLSXPike23 days
May 3, 11:40 AM CDTRiver Flood WarningLSXPike21 days
May 3, 11:40 AM CDTRiver Flood WarningLSXPike23 days
May 3, 11:40 AM CDTRiver Flood WarningLSXCalhoun24 days
May 3, 10:19 PM CDTRiver Flood WarningDVNCarroll, Jo Daviess8 days
May 4, 2:49 AM CDTRiver Flood WarningDVNHancock19 days
May 4, 11:45 AM CDTRiver Flood WarningLSXCalhoun22 days
May 6, 11:37 AM CDTRiver Flood WarningLSXJersey20 days
May 7, 11:25 AM CDTRiver Flood WarningDVNHancock11 days
May 14, 10:03 AM CDTRiver Flood WarningMKXLake6 days
May 14, 11:10 AM CDTRiver Flood WarningLSXCalhoun, Greene, Jersey24 min
May 14, 11:28 AM CDTRiver Flood WarningLOTLake6 days
May 14, 11:28 AM CDTRiver Flood WarningLOTLake11 days
May 14, 11:28 AM CDTRiver Flood WarningLOTLake56 hr
May 14, 11:28 AM CDTRiver Flood WarningLOTCook68 hr
May 14, 11:28 AM CDTRiver Flood WarningLOTKane, McHenry46 hr
May 14, 11:28 AM CDTRiver Flood WarningLOTKane, Kendall5 days
May 15, 9:49 PM CDTRiver Flood WarningLOTLake57 hr
May 16, 8:42 PM CDTRiver Flood WarningLOTCook11 hr
May 20, 1:06 PM CDTRiver Flood WarningLOTKane, McHenry5 days
May 21, 11:10 AM CDTRiver Flood WarningLOTLake4 days
May 21, 11:10 AM CDTRiver Flood WarningLOTCook3 days
May 21, 11:47 AM CDTRiver Flood WarningLOTKane, Kendall4 days
May 21, 1:14 PM CDTRiver Flood WarningMKXLake4 days
May 21, 2:40 PM CDTRiver Flood WarningLOTLake67 hr
May 21, 2:40 PM CDTRiver Flood WarningLOTCook31 hr
May 21, 2:47 PM CDTRiver Flood WarningLOTWill15 hr
May 22, 9:43 AM CDTRiver Flood WarningLOTLaSalle9 hr
May 31, 3:16 AM CDTRiver Flood WarningLOTKane, Kendall12 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20172019

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.