USGS · 05567500

MACKINAW RIVER

USGS · 05567500LIVE

MACKINAW RIVER NEAR CONGERVILLE, IL

ILLINOIS40.6235°N, -89.2417°W Updated 20 min ago

FLOW RATE

995cfs

GAUGE HT

3.73ft

AIR TEMP

84°F

WIND

11mph NE

FISH INDEX

50SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

995cfs 335.0% vs avg

Optimal band: 1,139–1,541 cfs

PERIOD HIGH

1,690cfs

PERIOD LOW

995cfs

RUNNABLE

45%

last 1 day in band

Gauge Height

3.73ft

Precipitation History

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Weather Conditions

WEATHER CONDITIONS

TODAY

86°

63°

MON

90°

64°

TUE

86°

68°

WED

87°

71°

THU

87°

71°

FRI

79°

60°

SAT

83°

63°

TIME

SUN

NOW

MON

TUE

WED

THU

FRI

TEMP

hourly forecast

86°

mild

86°

85°

84°

80°

77°

74°

72°

70°

69°

68°

67°

65°

64°

66°

72°

77°

82°

84°

86°

87°

89°

90°

89°

86°

83°

80°

78°

76°

74°

73°

72°

71°

70°

69°

68°

70°

73°

76°

79°

81°

83°

84°

85°

86°

85°

84°

80°

77°

76°

75°

74°

73°

72°

71°

73°

76°

79°

81°

83°

85°

86°

87°

86°

85°

86°

84°

80°

77°

76°

75°

74°

73°

72°

71°

74°

77°

79°

81°

83°

84°

86°

87°

85°

83°

80°

79°

77°

75°

74°

73°

69°

66°

64°

62°

61°

60°

61°

65°

69°

73°

75°

WIND

mph · gust · dir

8mph ENE

G 12 mph

G12

ENE

G12

ENE

ESE

ENE

ESE

G10

NNE

G10

NNE

G10

G12

ENE

ESE

NNW

WSW

SSE

NNE

ENE

ESE

SSW

WSW

WNW

NNW

NNE

NNW

WNW

NNW

G10

NNE

G10

G13

NNE

G13

G17

ENE

G19

ENE

G18

ENE

G17

ENE

G16

ENE

G15

ENE

G15

ENE

G15

ENE

G15

ENE

G14

ENE

G13

G11

G10

PRECIP

chance %

CLOUDS

cover %

clear

14%

12%

14%

100%

17%

12%

11%

65%

83%

36%

42%

89%

100%

52%

31%

100%

60%

27%

48%

59%

65%

100%

20%

45%

41%

15%

34%

46%

100%

88%

21%

18%

100%

17%

13%

10%

11%

17%

PRESSURE

hPa · trend

997

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Too Hot

Wind

Moderate

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:37 AM

SUNSET

08:28 PM

14H 51M OF DAYLIGHT

MOON PHASE

Waning Crescent

5% illuminated

Station Location

40.6235, -89.2417

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DATA · USGS · NOAA · NWSUPDATED 2026-07-12 16:45 UTC

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