May 28, 2020 - Depue, IL Flash Flooding

Overview

Thunderstorms moved over Bureau County, Illinois during the late afternoon/early evening hours of May 28, 2020. The city of DePue, IL saw approximately 3.00” of rain in 50 minutes which caused high impact flash flooding.

Radar interrogation showed the heaviest rains began approximately 4:40 pm and continued through 5:30 pm, with lighter rain continuing beyond 5:30 pm. Public reports indicate that flash flooding began in the city at approximately 5:30pm and by 7:30pm the water had receded.

Interactive Radar Loop

Flash Flooding
Storm Reports

Flash Flooding

Photos


Culvert Blowout	Culvert Blowout	Debris in creek as it enters town	Map

Storm Reports

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
614 PM CDT FRI MAY 29 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0535 PM     FLASH FLOOD      1 WSW DEPUE             41.33N 89.31W
05/28/2020                   BUREAU             IL   NWS STORM SURVEY 

            VERY HEAVY RAINFALL OVER STEEP TERRAIN 
            CAUSED SIGNIFICANT FLASH FLOODING IN AND 
            NEAR DEPUE, IL LATE THURSDAY AFTERNOON. 
            MUDSLIDES BLOCKED ROADWAYS AT TWO LOCATIONS 
            NORTH OF DEPUE. THE HEAVY RAIN MOVED RAPIDLY 
            DOWN BLUFFS INTO A CREEK, WHICH FLOWED 
            RAPIDLY INTO THE TOWN. 2 TO 3 FEET OF WATER 
            FLOWED RAPIDLY THROUGH STREETS. THE FORCE OF 
            WATER AND DEBRIS ALSO BLEW OUT AN 
            UNDERGROUND CULVERT AT 2 LOCATIONS. FLASH 
            FLOODING IMPACTED MUCH OF THE NORTHWEST PART 
            OF DEPUE. THERE WERE NO INJURIES.

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