Illinois, 2020Flooding in Illinois, October 22, 2020
October 22, 2020 · NWS LOT · 9 events in 2 counties and zones
Heavy rain fell across parts of northern Illinois during the early morning of October 22nd, producing flooding in some areas. The heaviest rain totals, between 2 and 3 inches, fell between Interstate 80 and Interstate 88, including over Chicago.
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
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- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 9
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
Heavy rain fell across parts of northern Illinois during the early morning of October 22nd, producing flooding in some areas. The heaviest rain totals, between 2 and 3 inches, fell between Interstate 80 and Interstate 88, including over Chicago.
Flood, Du Page
- When
- October 22, 2:00 AM CST to 8:00 AM CST
- Where
- Du Page County, 2.24 mi SE of Naperville to 2.46 mi SE of Naperville
- Cause
- Heavy Rain
- Reported by
- Broadcast Media
- Coordinates
- 41.751, -88.115
Naper Boulevard was closed due to flooding near 75th Street.
Flood, Cook
- When
- October 22, 2:00 AM CST to 8:00 AM CST
- Where
- Cook County, 0.69 mi ENE of North Austin
- Cause
- Heavy Rain
- Reported by
- Department of Highways
- Coordinates
- 41.914, -87.748
A flooded underpass near Grand Avenue and Armitage Avenue resulted in buses needing to be rerouted.
Flood, Cook
- When
- October 22, 2:00 AM CST to 8:00 AM CST
- Where
- Cook County, 0.54 mi NNW of Bedford Park to 0.53 mi NW of Bedford Park
- Cause
- Heavy Rain
- Reported by
- Social Media
- Coordinates
- 41.777, -87.814
An underpass was flooded near Archer Road and 63rd Street.
Flood, Cook
- When
- October 22, 2:00 AM CST to 8:00 AM CST
- Where
- Cook County, 0.69 mi S of Goose Island to 0.7 mi S of Goose Island
- Cause
- Heavy Rain
- Reported by
- Broadcast Media
- Coordinates
- 41.890, -87.650
Numerous lanes were blocked by flooding on Interstate 90/94 near Kinzie Street.
Flood, Cook
- When
- October 22, 2:00 AM CST to 8:00 AM CST
- Where
- Cook County, 0.43 mi SW of Chicago to 0.31 mi SW of Chicago
- Cause
- Heavy Rain
- Reported by
- Broadcast Media
- Coordinates
- 41.876, -87.637
Multiple lanes of Interstate 290 were flooded near Des Plaines Street.
Flood, Cook
- When
- October 22, 2:00 AM CST to 8:00 AM CST
- Where
- Cook County, 1.15 mi SE of East Garfield Park to 1.24 mi SSE of East Garfield Park
- Cause
- Heavy Rain
- Reported by
- Broadcast Media
- Coordinates
- 41.867, -87.687
Cars were stalled due to flooding near Western Avenue and 13th Street.
Flood, Cook
- When
- October 22, 2:00 AM CST to 8:00 AM CST
- Where
- Cook County, 1.09 mi W of Fuller Park to 1.02 mi W of Fuller Park
- Cause
- Heavy Rain
- Reported by
- Department of Highways
- Coordinates
- 41.809, -87.651
Buses were rerouted due to flooding near 47th and Morgan Streets.
Flood, Cook
- When
- October 22, 2:00 AM CST to 8:00 AM CST
- Where
- Cook County, 0.77 mi NW of Brighton Park to 0.78 mi NW of Brighton Park
- Cause
- Heavy Rain
- Reported by
- Department of Highways
- Coordinates
- 41.828, -87.710
Flooding of the shoulder and one lane of traffic was reported on Interstate 55 near Kedzie Avenue.
Flood, Cook
- When
- October 22, 2:00 AM CST to 8:00 AM CST
- Where
- Cook County, 0.47 mi N of Fuller Park
- Cause
- Heavy Rain
- Reported by
- Department of Highways
- Coordinates
- 41.817, -87.630
Buses were rerouted due to a flooded underpass near 43rd and LaSalle Streets.
- Flood
- Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Heavy Snow and Winter Weather in Wyoming, October 22 to 23, 20202 deaths · 4 injured · 2 events
- Winter Weather in South Dakota, October 22, 20201 death · 18 events
- Flood and Lakeshore Flood in Michigan, October 22 to 23, 2020$40,000 · 2 events
- Dense Fog in Maryland, October 22, 202014 events
- Dense Fog in Virginia, October 22, 202012 events
- Winter Weather in Minnesota, October 22, 20208 events
- Heavy Snow in Minnesota, October 22, 20205 events
- Flash Flooding and Flood in Wisconsin, October 22 to 23, 2020$5,000 · 4 events
- Winter Storm in Minnesota, October 22, 20203 events
- Frost and Freeze in California, October 22, 20203 events
- Wildfire and Strong Wind in California, October 22 to 25, 20203 events
- Heavy Snow in North Dakota, October 22, 20203 events
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 921775, 921777, 921779, 921781, 921792, 921794, 921798, 921799, 921800.