USGS · 05535500

WF OF NB CHICAGO RIVER

USGS · 05535500LIVE

WF OF NB CHICAGO RIVER AT NORTHBROOK IL

NORTHBROOK, IL42.1383°N, -87.8347°W Updated 13 hr ago

FLOW RATE

6cfs

AIR TEMP

76°F

WIND

7mph WSW

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

6cfs 18.7% vs avg

Optimal band: 5–7 cfs

PERIOD HIGH

193cfs

PERIOD LOW

2cfs

RUNNABLE

30%

last 1 year in band

Precipitation History

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Weather Conditions

WEATHER CONDITIONS

TODAY

88°

71°

FRI

74°

67°

SAT

79°

68°

SUN

79°

68°

MON

83°

66°

TUE

91°

70°

WED

83°

69°

TIME

THU

NOW

FRI

SAT

SUN

MON

TUE

TEMP

hourly forecast

87°

mild

87°

85°

88°

87°

85°

83°

78°

74°

72°

70°

71°

70°

69°

70°

69°

70°

72°

73°

74°

73°

71°

69°

67°

68°

69°

70°

69°

70°

71°

72°

73°

76°

77°

78°

79°

78°

76°

73°

72°

71°

70°

69°

68°

70°

72°

74°

76°

78°

79°

76°

73°

70°

69°

68°

67°

66°

69°

73°

76°

78°

81°

82°

83°

82°

81°

79°

75°

73°

72°

71°

70°

72°

WIND

mph · gust · dir

10mph SW

G 13 mph

G13

G11

WSW

G11

WSW

NNE

ENE

G11

NNE

G10

NNE

G10

NNE

ENE

NNE

G10

NNE

G10

NNE

G10

G12

G10

NNE

G12

SSW

G15

G13

NNE

G13

NNE

G13

NNE

G11

G12

G13

G15

ENE

G17

ENE

G16

G15

G14

G15

ENE

G15

ENE

G16

ENE

G16

ENE

G14

ENE

G15

G18

G21

G23

G22

ENE

G25

G23

G19

G17

ENE

G15

ENE

G16

ENE

G15

ENE

G15

ENE

G14

ENE

G13

ENE

G11

ENE

G11

ENE

G12

ENE

G11

ENE

G11

ENE

G10

ENE

G10

ENE

NNE

ENE

ESE

ENE

ESE

SSE

WSW

G10

PRECIP

chance %

10%

18%

19%

24%

26%

16%

14%

21%

15%

17%

10%

CLOUDS

cover %

100%

overcast

100%

46%

100%

91%

95%

100%

10%

100%

88%

42%

82%

100%

95%

100%

93%

100%

PRESSURE

hPa · trend

988

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Warm

Wind

Light

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:24 AM

SUNSET

08:28 PM

15H 4M OF DAYLIGHT

MOON PHASE

Waning Crescent

28% illuminated

Station Location

42.1383, -87.8347

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DATA · USGS · NOAA · NWSUPDATED 2026-07-09 00:00 UTC

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