Chicago Area Hydrologic River Stage/Flood Forecasts

Chicago area rivers continue to fall, taking advantage of the recent break in rains, however more rain is expected in the coming days. Currently there are only three rivers with segments in flood. Moderate flooding is ongoing at Shelby on the Kankakee River and LaSalle on the Illinois River. Minor flooding is reported at Iroquois on the Iroquois River, 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 Mon May 6 2019

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

North Branch Chicago River
Chicago (Pulaski Road 18.0    14.05  07 AM Mon  -0.26



Des Plaines River
Russell                7.0     6.07  06 AM Mon  -0.28
Gurnee                 7.0     6.51  06 AM Mon  -0.27
Lincolnshire          12.5    10.99  07 AM Mon  -0.53
Des Plaines           15.0    13.50  07 AM Mon  -0.86
River Forest          16.0    11.24  07 AM Mon  -0.88
Riverside              7.5     5.88  07 AM Mon  -0.60

Fox River
Algonquin Lock & Dam t 9.5     9.03  06 AM Mon  -0.10
Montgomery            13.0    12.78  06 AM Mon  -0.14
Dayton                12.0    10.57  07 AM Mon  -0.70

East Branch Du Page River
Bolingbrook           19.5    16.64  07 AM Mon  -0.65

West Branch Du Page River
Warrenville           11.5     8.78  07 AM Mon  -0.52

Du Page River
Plainfield            12.0     8.49  07 AM Mon  -0.75
Shorewood              6.5     3.87  07 AM Mon  -0.73



Iroquois River
Rensselaer            12.0     9.04  06 AM Mon  -1.21
Foresman              18.0    16.86  07 AM Mon  -0.93
Chebanse              16.0    13.81  07 AM Mon  -1.17
Iroquois              18.0    18.52  07 AM Mon  -0.96 MINOR

Sugar Creek
Milford               18.0    11.93  07 AM Mon  -2.72

Kankakee River
Dunns Bridge          10.0    11.48  07 AM Mon   0.09 MINOR
Kouts                 11.0    12.17  07 AM Mon   0.05 MINOR
Shelby                 9.0    11.80  07 AM Mon  -0.02 MODERATE
Momence                5.0     4.67  07 AM Mon  -0.28
Wilmington             6.5     5.61  07 AM Mon  -0.47

Thorn Creek
Thornton              10.0     3.91  06 AM Mon  -0.53



Little Calumet River
Dyer                  12.0     3.33  07 AM Mon  -0.34

Munster               12.0     9.06  07 AM Mon  -0.66
South Holland         16.5     9.08  07 AM Mon  -1.07

Mazon River
Coal City             12.0     4.69  07 AM Mon  -0.81

Vermilion River
Pontiac               14.0     7.55  07 AM Mon  -3.56
Leonore               16.0    12.54  07 AM Mon  -4.44

Upper Illinois River
Morris                16.0    15.28  07 AM Mon  -1.85
Ottawa               463.0   464.58  06 AM Mon  -1.68 MINOR
La Salle              20.0    29.58  07 AM Mon  -1.00 MODERATE

S Branch Kishwaukee River
De Kalb               10.0     5.18  07 AM Mon  -0.47

Kishwaukee River
Belvidere              9.0        M  M              M
Perryville            12.0    10.12  06 AM Mon  -1.16

Pecatonica River
Shirland              12.0    10.96  07 AM Mon  -0.09

Rock River
Rockton               10.0     7.52  06 AM Mon   0.02
Latham Park           9.0        M  M              M
Rockford (Auburn St)   6.0     3.23  07 AM Mon   0.02
Byron                 13.0    11.04  07 AM Mon  -0.42 ADVISORY
Dixon                 16.0    13.16  06 AM Mon  -0.47 ADVISORY
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