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Flood — Jo Daviess, IL

Apr 22, 2023

Significant flooding occurred on the mainstem Mississippi largely due to the record snowfall this winter in Minnesota and Wisconsin, frozen ground, rapid snowmelt during the middle of April, and saturated soils. Major flooding was observed at all sites along the Mississippi north of Keokuk Iowa and most sites saw one of their top 10 crests on record.|This flooding had numerous impacts, with many roads, businesses, homes, and people affected.

Source: NOAA National Weather Service Storm Events Database (event 1094840). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Jo Daviess, IL

This event is one of many recorded floods in Jo Daviess County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View Jo Daviess County flood data →

More Flood Stories

Flash Flood3 deaths$7.0M damage

Jo Daviess, IL · Jul 27, 2011

Hot and humid conditions prevailed across the region July 27, as a warm front lifted northward into northeast Iowa. Showers and thunderstorms developed along the Highway 20 corridor in Dubuque, Jo Daviess and Stephenson Counties during the early evening hours of July 27.

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Flash Flood$1.0M damage

Jo Daviess, IL · Jul 23, 2010

Thunderstorms with extremely heavy rain developed along a stationary front and moved from northeast Iowa into northwest Illinois. Some locations measured 5 to 7 inches of rainfall, causing localized flash flooding and pushing numerous creeks out of their banks.

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Flood$1.0M damage

Jo Daviess, IL · May 20, 2003

A pattern change at the end of April brought a series of heavy rain producing systems to Eastern Iowa and Northern Illinois over the first 10 days of the month. Area rivers responded with the Iowa River going above flood stage starting on the 10th.

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Flood$250K damage

Jo Daviess, IL · Apr 13, 2011

Water from snow-melt in the upper Midwest moved south through the Mississippi River basin causing major flooding along the Mississippi River.||The snowfall was well above normal for the 2010-11 winter in much of Minnesota and Wisconsin.

Read the full account →