USGS · 05439000

SOUTH BRANCH

USGS · 05439000LIVE

SOUTH BRANCH KISHWAUKEE RIVER AT DEKALB, IL

DEKALB, IL41.9311°N, -88.7597°W Updated 1 hr ago

FLOW RATE

325cfs

GAUGE HT

5.49ft

AIR TEMP

64°F

WIND

4mph NNE

FISH INDEX

81SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

325cfs 681.7% vs avg

Optimal band: 396–536 cfs

PERIOD HIGH

608cfs

PERIOD LOW

325cfs

RUNNABLE

45%

last 1 day in band

Gauge Height

5.49ft

Precipitation History

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Weather Conditions

WEATHER CONDITIONS

TODAY

83°

63°

WED

86°

66°

THU

80°

67°

FRI

84°

67°

SAT

82°

68°

SUN

85°

66°

MON

87°

71°

TIME

TUE

NOW

WED

THU

FRI

SAT

SUN

TEMP

hourly forecast

73°

mild

73°

77°

79°

80°

81°

82°

83°

82°

80°

77°

74°

72°

71°

69°

68°

67°

66°

69°

74°

77°

80°

82°

84°

85°

86°

85°

83°

80°

77°

75°

73°

71°

70°

69°

68°

67°

68°

69°

71°

74°

76°

77°

78°

80°

75°

72°

70°

76°

72°

71°

70°

69°

68°

67°

69°

72°

75°

77°

79°

81°

82°

83°

84°

80°

77°

75°

72°

70°

69°

68°

70°

71°

73°

76°

77°

79°

81°

82°

81°

77°

75°

72°

70°

69°

68°

67°

66°

WIND

mph · gust · dir

3mph N

G 6 mph

NNW

ENE

SSE

G11

SSE

G12

SSE

G11

G12

G11

SSW

G14

G13

G11

WSW

SSW

G10

SSW

G11

SSW

G11

SSW

G12

SSW

G10

SSW

G11

G13

G20

G18

WSW

G21

SSW

G23

G21

G19

WSW

G17

WSW

G10

G11

SSW

ESE

ENE

ESE

WSW

G10

ESE

ENE

G12

ENE

G16

ENE

G18

G19

G15

ESE

G15

ESE

G16

G10

G12

ENE

SSW

WSW

NNE

G15

NNE

G16

NNE

G17

ENE

G16

G15

G14

NNE

G14

NNE

PRECIP

chance %

19%

59%

53%

39%

14%

27%

26%

21%

18%

14%

CLOUDS

cover %

clear

31%

82%

13%

86%

22%

100%

33%

100%

83%

100%

81%

100%

66%

100%

88%

83%

77%

70%

62%

52%

41%

27%

PRESSURE

hPa · trend

989

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Calm

Pressure

Rising — Slow

Moon Phase

Good

DAYLIGHT

SUNRISE

05:27 AM

SUNSET

08:32 PM

15H 5M OF DAYLIGHT

MOON PHASE

Last Quarter

51% illuminated

Station Location

41.9311, -88.7597

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DATA · USGS · NOAA · NWSUPDATED 2026-07-07 07:30 UTC

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