Chicago Area Hydrologic River Stage/Flood Forecasts

While additional rainfall is anticipated in the next 24 hours, almost all rivers were in a slow fall mode this Wednesday morning. 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 Minor flooding is forecast for Montgomery on the Fox River.

Anticipating heavy rains in the next 12 to 24-hours, and subsequent possible flooding by Saturday, a Flood Watch (dark green shading on the headlined map) is in effect for the Pecatonica River at Shirland and Latham Park on the Rock 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 Wed May 8 2019

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



North Branch Chicago River
Chicago (Pulaski Road 18.0    13.44  07 AM Wed  -0.52

Des Plaines River
Russell                7.0     5.42  06 AM Wed  -0.32
Gurnee                 7.0     5.77  06 AM Wed  -0.42
Lincolnshire          12.5    10.25  07 AM Wed  -0.42
Des Plaines           15.0    12.28  07 AM Wed  -0.67 ADVISORY
River Forest          16.0    10.27  07 AM Wed  -0.47
Riverside              7.5     5.38  07 AM Wed  -0.39

Fox River
Algonquin Lock & Dam t 9.5     9.12  06 AM Wed  -0.03
Montgomery            13.0    12.80  06 AM Wed  -0.04 MINOR
Dayton                12.0    10.66  07 AM Wed   0.10

East Branch Du Page River
Bolingbrook           19.5    17.01  07 AM Wed  -0.61

West Branch Du Page River
Warrenville           11.5     8.79  06 AM Wed  -0.19



Du Page River
Plainfield            12.0     8.64  07 AM Wed  -0.21
Shorewood              6.5     4.00  07 AM Wed   0.33

Iroquois River
Rensselaer            12.0     7.07  06 AM Wed  -0.83
Foresman              18.0    14.72  07 AM Wed  -1.08
Chebanse              16.0    10.51  07 AM Wed  -1.77
Iroquois              18.0    15.96  07 AM Wed  -1.32

Sugar Creek
Milford               18.0     7.50  07 AM Wed  -1.59

Kankakee River
Dunns Bridge          10.0    11.09  07 AM Wed  -0.31 MINOR
Kouts                 11.0    11.85  07 AM Wed  -0.25 MINOR
Shelby                 9.0    11.69  07 AM Wed  -0.09 MODERATE
Momence                5.0     4.36  07 AM Wed  -0.11
Wilmington             6.5     4.51  07 AM Wed  -0.55



Thorn Creek
Thornton              10.0     3.60  06 AM Wed  -0.25

Little Calumet River
Dyer                  12.0     2.92  07 AM Wed  -0.15

Munster               12.0     7.98  07 AM Wed  -0.63
South Holland         16.5     8.02  07 AM Wed  -0.90

Mazon River
Coal City             12.0     3.18  07 AM Wed  -0.73

Vermilion River
Pontiac               14.0     5.54  07 AM Wed  -0.82
Leonore               16.0     9.08  07 AM Wed  -1.15

Upper Illinois River
Morris                16.0    12.55  07 AM Wed  -0.90
Ottawa               463.0   462.49  06 AM Wed  -0.67
La Salle              20.0    28.03  07 AM Wed  -0.66 MODERATE

S Branch Kishwaukee River
De Kalb               10.0     4.88  07 AM Wed  -0.18

Kishwaukee River
Belvidere              9.0        M  M              M
Perryville            12.0     8.78  06 AM Wed  -0.48

Pecatonica River
Shirland              12.0    10.53  07 AM Wed  -0.25

Rock River
Rockton               10.0     7.34  06 AM Wed  -0.19
Latham Park           9.0        M  M              M
Rockford (Auburn St)   6.0     2.94  07 AM Wed  -0.13
Byron                 13.0    10.31  07 AM Wed  -0.35 ADVISORY
Dixon                 16.0    12.47  06 AM Wed  -0.30

Notice: you are using an outdated browser. Microsoft does not recommend using IE as your default browser. Some features on this website, like video and images, might not work properly. For the best experience, please upgrade your browser.