Updated: Chicago Area Hydrologic River Stage/Flood Forecasts

Updated 1:20PM CDT…

Incorporating last night’s rains into the forecast for additional rain Wednesday-Thursday, the the Fox River at Algonquin, Montgomery and Dayton has been upgraded to Minor flooding. The Illinois River at Morris as well as the DuPage River at PlainfieldĀ  and the Des Plaines River at Des Plaines have been placed into the Advisory catagory (near bankfull).

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The overnight rains of a half to three-quarters inch have caused slight rises on the Fox , East and West Branches of the DuPage and the Du Page Rivers otherwise the remaining rivers continue a very slow fall. Moderate flooding is continuing on the Kankakee River at Shelby and the Illinois River at LaSalle with minor flooding at Dunns Bridge and Kouts on the Kankakee River and Ottawa on the Illinois River.

Rivers in flood or under Advisory (running near bankfull) are denoted in light green on the headlined map.

Following is the latest Hydrologic Summary prepared by the Chicago National Weather Service:

Hydrologic Summary
National Weather Service Chicago/Romeoville IL
730 AM CDT Tue May 7 2019

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

North Branch Chicago River
Chicago (Pulaski Road 18.0    13.96  07 AM Tue  -0.09

Des Plaines River
Russell                7.0     5.76  06 AM Tue  -0.31
Gurnee                 7.0     6.20  06 AM Tue  -0.31
Lincolnshire          12.5    10.67  07 AM Tue  -0.32
Des Plaines           15.0    12.96  07 AM Tue  -0.53 ADVISORY
River Forest          16.0    10.74  07 AM Tue  -0.50
Riverside              7.5     5.82  07 AM Tue  -0.04

Fox River
Algonquin Lock & Dam t 9.5     9.14  06 AM Tue   0.14 MINOR
Montgomery            13.0    12.85  06 AM Tue   0.08 MINOR
Dayton                12.0    10.55  07 AM Tue   0.01 MINOR



East Branch Du Page River
Bolingbrook           19.5    17.45  06 AM Tue   0.83

West Branch Du Page River
Warrenville           11.5     8.98  07 AM Tue   0.20

Du Page River
Plainfield            12.0     8.85  07 AM Tue   0.35 ADVISORY
Shorewood              6.5     3.66  07 AM Tue  -0.21

Iroquois River
Rensselaer            12.0     7.91  06 AM Tue  -1.10
Foresman              18.0    15.81  07 AM Tue  -1.04
Chebanse              16.0    12.29  07 AM Tue  -1.51
Iroquois              18.0    17.28  07 AM Tue  -1.24



Sugar Creek
Milford               18.0     9.09  07 AM Tue  -2.84

Kankakee River
Dunns Bridge          10.0    11.40  07 AM Tue  -0.08 MINOR
Kouts                 11.0    12.10  07 AM Tue  -0.07 MINOR
Shelby                 9.0    11.78  07 AM Tue  -0.02 MODERATE
Momence                5.0     4.47  07 AM Tue  -0.20
Wilmington             6.5     5.07  07 AM Tue  -0.54

Thorn Creek
Thornton              10.0     3.85  06 AM Tue  -0.05

Little Calumet River
Dyer                  12.0     3.07  07 AM Tue  -0.26

Munster               12.0     8.61  07 AM Tue  -0.45
South Holland         16.5     8.92  07 AM Tue  -0.14

Mazon River
Coal City             12.0     3.87  07 AM Tue  -0.71

Vermilion River
Pontiac               14.0     6.37  07 AM Tue  -1.16
Leonore               16.0    10.23  07 AM Tue  -2.26

Upper Illinois River
Morris                16.0    13.47  07 AM Tue  -1.79 ADVISORY
Ottawa               463.0   463.18  06 AM Tue  -1.28 MINOR
La Salle              20.0    28.69  07 AM Tue  -0.88 MODERATE

S Branch Kishwaukee River
De Kalb               10.0     5.08  06 AM Tue  -0.10

Kishwaukee River
Belvidere              9.0        M  M              M
Perryville            12.0     9.27  06 AM Tue  -0.82

Pecatonica River
Shirland              12.0    10.78  07 AM Tue  -0.18

Rock River
Rockton               10.0     7.52  06 AM Tue   0.00
Latham Park           9.0        M  M              M
Rockford (Auburn St)   6.0     3.08  07 AM Tue  -0.15
Byron                 13.0    10.66  07 AM Tue  -0.38 ADVISORY
Dixon                 16.0    12.78  06 AM Tue  -0.39
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