USGS · 414123087340203

BIG MARSH RIVER

USGS · 414123087340203LIVE

BIG MARSH AT POND B AT SOUTH DEERING, IL

CHICAGO, IL41.6894°N, -87.5675°W

AIR TEMP

59°F

WIND

4mph SE

FISH INDEX

88SCORE / 100

EPIC · 5 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

—cfs

No flow data available

Precipitation History

SPONSORED

Weather Conditions

WEATHER CONDITIONS

TODAY

77°

56°

THU

76°

61°

FRI

68°

62°

SAT

76°

62°

SUN

87°

68°

MON

95°

76°

TUE

96°

78°

TIME

WED

NOW

THU

FRI

SAT

SUN

MON

TEMP

hourly forecast

70°

mild

70°

76°

77°

64°

63°

64°

63°

62°

61°

63°

66°

70°

73°

75°

76°

75°

76°

73°

72°

71°

70°

68°

65°

64°

63°

62°

63°

62°

65°

67°

68°

64°

63°

64°

63°

62°

63°

64°

63°

64°

66°

69°

71°

72°

74°

76°

74°

73°

72°

70°

69°

70°

69°

68°

69°

68°

69°

70°

71°

72°

77°

79°

81°

82°

81°

85°

86°

87°

86°

83°

81°

80°

79°

78°

77°

76°

77°

WIND

mph · gust · dir

5mph SSW

G 16 mph

G16

SSW

G16

G17

SSW

G18

SSW

G22

G24

G21

NNE

ENE

G10

SSE

G13

G10

SSW

WSW

G14

WNW

WSW

G11

WSW

G10

WNW

G11

WNW

G11

G12

G13

G11

ENE

G10

ENE

G10

G11

G13

ENE

G16

G15

G14

G13

ENE

G15

ENE

G15

ENE

G13

ENE

G12

G11

G10

NNE

G11

G12

G13

G12

G10

ENE

G10

G11

G13

ENE

G13

ENE

G13

G16

G15

ENE

G11

ENE

G13

G14

ESE

G14

G17

ESE

G15

G16

G15

G13

G14

G12

ESE

G12

ESE

G13

G14

SSE

G13

SSE

G13

SSE

G14

G16

SSE

G17

SSE

G17

SSE

G18

SSE

G17

SSE

G16

SSE

G15

G16

SSW

G17

SSW

PRECIP

chance %

18%

14%

22%

27%

32%

42%

32%

25%

18%

11%

12%

14%

25%

30%

34%

17%

14%

15%

10%

CLOUDS

cover %

100%

overcast

100%

69%

71%

42%

100%

92%

81%

88%

100%

57%

74%

100%

93%

90%

80%

100%

46%

100%

90%

100%

73%

61%

100%

21%

64%

100%

76%

100%

41%

76%

100%

75%

64%

81%

100%

88%

62%

54%

86%

100%

22%

18%

37%

23%

100%

75%

100%

84%

100%

98%

100%

93%

98%

75%

78%

40%

74%

100%

79%

37%

PRESSURE

hPa · trend

997

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Calm

Pressure

Falling — Active

Moon Phase

Average

DAYLIGHT

SUNRISE

05:16 AM

SUNSET

08:28 PM

15H 12M OF DAYLIGHT7H 38M REMAINING

MOON PHASE

Waxing Gibbous

70% illuminated

Station Location

41.6894, -87.5675

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-06-24 12:50 UTC

Site #414123087340203·USGS

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