Updated River Flood Warnings across the Chicago area early Friday morning

Weather
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Updated Midnight CDT…

Showers and thunderstorms have dumped an additional inch or more rainfall across a good portion of the Chicago area this afternoon and evening, triggering additional rises on area rivers and streams. Flooding is occurring or will occur earlier than anticipated at several forecast points along the Des Plaines River, East Branch of the DuPage River, the Fox River, the Illinois River and the Kankakee River. Latest stage readings and forecasts are indicated on the updated summary below.

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Widespread overnight rainfall ranged from 1 to 2-inches across the Chicago area and additional rainfall of an inch or more has fallen Thursday forenoon resulting in anticipated river rises to near bankfull or minor flooding. Minor flooding is occurring on the Kankakee River at Shelby, affecting Lake and Newton Counties in Indiana. The Illinois River at Ottawa and LaSalle is expected to go into minor flood Friday, as is Des Plaines River at Russell and Gurnee (flood late tonight) and the East DuPage River at Bolingbrook.

Following is a Summary of the latest river stages/forecasts as of Thursday morning…


HYDROLOGIC SUMMARY
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
730 AM CDT THU MAR 30 2017

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

North Branch Chicago River
Chicago Albany Ave   7.0       2.86  07 AM Thu   0.44

Des Plaines River
Russell              7.0       6.80  08 PM Thu        Minor
Gurnee               7.0       6.90  08 PM Thu        Minor
Lincolnshire        12.5      11.20  08 PM Thu        Minor
Des Plaines         15.0      14.10  08 PM Thu        Minor
River Forest        16.0       8.53  07 AM Thu   1.21
Riverside            7.0       4.73  07 AM Thu   0.96

Fox River
Algonquin Tailwater  9.5       7.46  06 AM Thu   0.25
Montgomery          13.0      13.00  08 PM Thu        Minor
Dayton              12.0      11.10  08 PM Thu        Minor       

East Branch Du Page River
Bolingbrook         19.5      20.50  08 PM Thu        Minor

West Branch Du Page River
Warrenville         11.5       8.70  07 AM Thu   0.94

Du Page River
Plainfield          12.0       8.82  07 AM Thu   1.50
Shorewood            6.5       3.02  07 AM Thu   0.25

Iroquois River
Rensselaer          12.0       6.23  04 AM Thu  -0.42
Foresman            18.0      11.29  07 AM Thu  -0.76
Chebanse            16.0       5.78  07 AM Thu   0.11
Iroquois            18.0      11.60  07 AM Thu  -0.26

Sugar Creek
Milford             18.0       5.04  07 AM Thu  -0.17

Kankakee River
Dunns Bridge        10.0       8.42  07 AM Thu   0.19
Kouts               11.0       9.16  07 AM Thu   0.24
Shelby               9.0       9.60  08 PM Thu        Minor
Momence              5.0       3.35  07 AM Thu   0.16
Wilmington           6.5       2.77  07 AM Thu   0.12

Thorn Creek
Thornton            10.0      12.20  09 PM Thu        Minor

Hart Ditch
Dyer                12.0       3.53  07 AM Thu   0.63

Little Calumet River
Munster             12.0       9.94  07 AM Thu   3.53
South Holland       16.5      11.53  06 AM Thu   4.58

Mazon River
Coal City           12.0       2.71  07 AM Thu   0.56

Vermilion River
Pontiac             14.0       4.23  07 AM Thu   0.05
Leonore             16.0       6.18  07 AM Thu   0.58

Upper Illinois River
Morris              16.0      13.55  10 PM Thu        Minor
Ottawa             463.0     462.30  10 PM Thu        Minor
La Salle            20.0      19.50  10 PM Thu        Minor

S Branch Kishwaukee River
De Kalb             10.0       4.29  07 AM Thu   1.04

Kishwaukee River
Belvidere            9.0       2.56  07 AM Thu   0.14
Perryville          12.0       6.72  06 AM Thu   0.14

Pecatonica River
Shirland            12.0       7.21  07 AM Thu   0.00

Rock River
Rockton             10.0       5.83  06 AM Thu   0.07
Rockford            9.0       3.43  07 AM Thu   0.03
Byron               13.0       8.23  07 AM Thu   0.04
Dixon               16.0      10.36  06 AM Thu   0.05

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