USGS · 05568000

MACKINAW RIVER

USGS · 05568000LIVE

MACKINAW RIVER NEAR GREEN VALLEY, IL

TAZEWELL COUNTY, IL40.4547°N, -89.6062°W Updated 19 hr ago

FLOW RATE

1,579cfs

GAUGE HT

16.45ft

WATER TEMP

77°F

AIR TEMP

86°F

WIND

10mph ENE

FISH INDEX

50SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

1,579cfs 46.7% vs avg

Optimal band: 67–91 cfs

PERIOD HIGH

8,478cfs

PERIOD LOW

24cfs

RUNNABLE

last 1 year in band

Gauge Height

16.45ft

Water Temperature

77.2°F

Precipitation History

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Weather Conditions

WEATHER CONDITIONS

TODAY

87°

64°

MON

91°

66°

TUE

88°

69°

WED

89°

73°

THU

88°

73°

FRI

82°

63°

SAT

89°

68°

TIME

SUN

NOW

MON

TUE

WED

THU

FRI

TEMP

hourly forecast

81°

mild

81°

78°

75°

74°

72°

71°

70°

69°

68°

67°

66°

68°

74°

78°

83°

85°

87°

89°

90°

91°

90°

87°

83°

80°

78°

77°

76°

75°

73°

72°

70°

69°

71°

75°

78°

80°

83°

84°

86°

87°

88°

87°

85°

81°

79°

77°

76°

75°

74°

73°

75°

78°

80°

83°

84°

86°

88°

89°

86°

81°

79°

78°

77°

76°

75°

74°

73°

75°

77°

80°

82°

84°

86°

87°

88°

87°

85°

83°

80°

77°

76°

75°

74°

71°

69°

66°

64°

63°

65°

68°

73°

76°

78°

80°

81°

WIND

mph · gust · dir

3mph NNE

G 6 mph

NNE

ENE

G10

G13

ENE

G11

ENE

NNE

G12

ENE

G12

ENE

G12

ENE

G11

ENE

G11

ENE

ESE

ENE

NNE

ENE

SSW

WNW

NNW

NNE

NNW

NNE

ENE

G13

G17

ENE

G17

ENE

G14

G12

ENE

G11

G10

PRECIP

chance %

CLOUDS

cover %

49%

partly

49%

19%

18%

16%

28%

14%

10%

65%

100%

78%

100%

23%

19%

60%

21%

46%

21%

12%

73%

100%

16%

32%

100%

88%

50%

100%

10%

100%

66%

98%

11%

46%

12%

100%

46%

77%

57%

25%

20%

47%

69%

PRESSURE

hPa · trend

1002

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Too Hot

Wind

Moderate

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:38 AM

SUNSET

08:29 PM

14H 51M OF DAYLIGHT

MOON PHASE

Waning Crescent

4% illuminated

Station Location

40.4547, -89.6062

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

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