USGS · 03343350

BLACK SLOUGH

USGS · 03343350LIVE

BLACK SLOUGH AT CR 500N NR PHILO, IL

ILLINOIS39.9526°N, -88.1692°W Updated 8 hr ago

FLOW RATE

4cfs

GAUGE HT

6.01ft

AIR TEMP

68°F

WIND

6mph NNE

FISH INDEX

63SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

4cfs

Optimal band: 4–6 cfs

PERIOD HIGH

6cfs

PERIOD LOW

4cfs

RUNNABLE

100%

last 7 day in band

Gauge Height

6.01ft

Precipitation History

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Weather Conditions

WEATHER CONDITIONS

TODAY

85°

67°

MON

87°

64°

TUE

84°

64°

WED

86°

69°

THU

85°

71°

FRI

87°

73°

SAT

84°

69°

TIME

SUN

NOW

MON

TUE

WED

THU

FRI

TEMP

hourly forecast

72°

mild

72°

75°

77°

80°

82°

83°

84°

85°

84°

83°

81°

78°

75°

73°

71°

70°

69°

67°

66°

65°

64°

67°

71°

76°

80°

82°

84°

85°

86°

87°

85°

83°

80°

77°

76°

73°

70°

68°

66°

65°

64°

67°

71°

74°

77°

79°

81°

82°

83°

84°

83°

81°

76°

74°

73°

72°

71°

70°

69°

73°

75°

78°

80°

82°

84°

85°

86°

84°

79°

77°

76°

75°

74°

73°

72°

71°

74°

77°

79°

81°

82°

83°

84°

85°

83°

81°

78°

76°

75°

74°

WIND

mph · gust · dir

10mph ENE

G 20 mph

G20

ENE

G17

ENE

G16

G17

G18

G16

G14

ENE

G14

ENE

G13

G12

NNE

G12

NNE

G13

NNE

G15

NNE

G15

NNE

G15

NNE

G14

NNE

G14

NNE

G14

G12

NNE

G10

NNE

G10

G13

G16

NNE

G15

G14

G12

G11

G10

ENE

SSE

NNW

SSW

ENE

NNE

G10

ENE

NNE

ENE

NNW

WSW

WNW

WSW

WNW

WSW

WNW

NNW

WNW

WSW

PRECIP

chance %

CLOUDS

cover %

clear

23%

100%

34%

29%

10%

11%

92%

100%

79%

89%

40%

18%

23%

100%

91%

16%

28%

47%

62%

77%

89%

96%

PRESSURE

hPa · trend

997

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Warm

Wind

Light

Pressure

Rising — Slow

Moon Phase

Average

DAYLIGHT

SUNRISE

05:34 AM

SUNSET

08:21 PM

14H 47M OF DAYLIGHT

MOON PHASE

Waning Crescent

7% illuminated

Station Location

39.9526, -88.1692

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DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC

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