Some flooding continues, but rivers falling across the Chicago area

Weather Blog

With no rain in the forecast until Saturday, Chicago-area rivers are expected to continue a steady fall. The Kishwaukee at Perryville, the Vermillion River at Leonore,  the Kankakee River at Momence, and the Fox River at Montgomery and Dayton are expected to fall below flood by this Thursday evening.   

At 7AM CDT this Thursday morning, Major flooding continued at LaSalle on the Illinois River with Moderate flooding at Ottawa on the Illinois River, Algonquin on the Fox River, and Gurnee, Lincolnshire and Riverside on the Des Plaines River. 

Segments of rivers under Flood Warnings and Advisories are depicted on the headline map in light green. Following are latest Hydrologic River Stages/Flood Forecasts issued by the Chicago National Weather Service.

Hydrologic Summary
National Weather Service Chicago/Romeoville IL
730 AM CDT Thu May 21 2020

Location             Flood    Stage  Time      24-hr   Flood
                     Stage    Today            Change Forecasts

North Branch Chicago River
Chicago (Pulaski Road 18.0    14.93  07 AM Thu  -0.88

Des Plaines River
Russell                7.0     8.46  06 AM Thu  -0.41 MINOR
Gurnee                 7.0     9.80  06 AM Thu   0.00 MODERATE
Lincolnshire          12.5    14.63  07 AM Thu  -0.30 MODERATE
Des Plaines           15.0    17.93  07 AM Thu  -0.91 MINOR
River Forest          16.0    15.71  07 AM Thu  -0.88
Riverside              7.5     8.16  07 AM Thu  -0.60 MODERATE

Fox River
Algonquin Lock & Dam t 9.5    11.15  06 AM Thu   0.03 MODERATE
Montgomery            13.5    13.53  07 AM Thu  -0.17 MINOR
Dayton                12.0    12.09  07 AM Thu  -1.49 MINOR

East Branch Du Page River
Bolingbrook           19.5    18.26  06 AM Thu  -1.01

West Branch Du Page River
Warrenville           11.5     9.54  07 AM Thu  -0.83

Du Page River
Plainfield            12.0     9.78  07 AM Thu  -1.20
Shorewood              6.5     5.01  07 AM Thu  -1.99

Iroquois River
Rensselaer            12.0    10.41  06 AM Thu  -0.97
Foresman              18.0    16.14  07 AM Thu  -0.21 ADVISORY
Chebanse              16.0    14.45  07 AM Thu  -0.42
Iroquois              18.0    16.91  07 AM Thu  -0.28

Sugar Creek
Milford               18.0    15.14  07 AM Thu  -2.32

Kankakee River
Dunns Bridge          10.0     9.33  07 AM Thu   0.16 ADVISORY
Kouts                 11.0    10.22  07 AM Thu   0.08 ADVISORY
Shelby                10.5    11.08  07 AM Thu  -0.24 MINOR
Momence                5.0     5.08  07 AM Thu  -0.46 MINOR
Wilmington             6.5     5.83  07 AM Thu  -0.38

Thorn Creek
Thornton              10.0     4.24  06 AM Thu  -1.58

Little Calumet River
Dyer                  12.0     3.80  07 AM Thu  -0.56

Munster (H            12.0     9.43  07 AM Thu  -0.95
South Holland         16.5    10.17  07 AM Thu  -1.85

Mazon River
Coal City             12.0     5.62  07 AM Thu  -3.04

Vermilion River
Pontiac               14.0    10.77  07 AM Thu  -4.46
Leonore               16.0    16.53  07 AM Thu  -3.06 MINOR

Upper Illinois River
Morris                16.0    18.29  07 AM Thu  -3.76 MINOR
Ottawa               463.0   467.57  06 AM Thu  -3.39 MODERATE
La Salle              20.0    31.63  07 AM Thu  -1.38 MAJOR

S Branch Kishwaukee River
DeKalb                10.0     5.34  07 AM Thu  -0.56

Kishwaukee River
Belvidere              9.0     7.57  06 AM Thu  -1.56
Perryville            12.0    12.99  06 AM Thu  -1.90 MINOR

Pecatonica River
Shirland              12.0    11.02  07 AM Thu   0.15 ADVISORY

Rock River
Rockton               10.0     7.06  06 AM Thu   0.06
Latham Park            9.0     7.27  06 AM Thu   0.08
Rockford (Auburn Stree 6.0     3.21  07 AM Thu   0.03
Byron                 13.0    11.95  07 AM Thu  -0.55
Dixon                 16.0    13.95  06 AM Thu  -0.47 ADVISORY

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