USGS · 06485500

BIG SIOUX RIVER

USGS · 06485500LIVE

BIG SIOUX RIVER AT AKRON, IA

AKRON, IA42.8375°N, -96.5619°W Updated 33 min ago

FLOW RATE

941cfs

GAUGE HT

5.82ft

AIR TEMP

64°F

WIND

5mph WNW

FISH INDEX

75SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

941cfs 94.4% vs avg

Optimal band: 813–1,099 cfs

PERIOD HIGH

988cfs

PERIOD LOW

933cfs

RUNNABLE

100%

last 1 day in band

Gauge Height

5.82ft

Precipitation History

SPONSORED

Weather Conditions

WEATHER CONDITIONS

TODAY

77°

61°

THU

78°

57°

FRI

79°

58°

SAT

85°

59°

SUN

99°

72°

MON

97°

79°

TUE

100°

76°

TIME

WED

NOW

THU

FRI

SAT

SUN

MON

TEMP

hourly forecast

76°

mild

76°

77°

76°

73°

70°

68°

67°

66°

64°

63°

61°

60°

58°

57°

59°

64°

68°

70°

72°

74°

76°

77°

78°

77°

74°

70°

68°

65°

64°

62°

60°

63°

62°

60°

58°

60°

64°

67°

69°

72°

76°

78°

79°

78°

76°

74°

71°

69°

67°

65°

63°

62°

60°

59°

60°

64°

65°

67°

70°

69°

72°

76°

80°

83°

85°

82°

80°

77°

74°

72°

74°

76°

77°

76°

75°

74°

77°

80°

85°

89°

92°

95°

97°

98°

99°

98°

97°

94°

90°

89°

86°

84°

83°

82°

81°

80°

79°

WIND

mph · gust · dir

15mph NW

G 23 mph

G23

G21

G18

G16

G19

G17

G16

G15

G11

G10

NNE

G12

NNE

NNW

NNE

G11

NNE

G11

NNE

G13

NNE

G13

NNE

G14

G12

G11

NNE

G10

ESE

G13

G11

G10

ESE

G12

ESE

G10

G11

ESE

G12

ESE

G12

G13

G14

G15

G16

G18

ESE

G22

ESE

G24

ESE

G24

G25

G21

G23

G24

G28

G26

G27

ESE

G26

G27

G26

G24

G26

G23

G24

SSE

G21

SSE

G22

G26

ESE

G31

ESE

G33

G32

G31

G30

G32

G33

SSE

G30

SSE

G28

G25

G24

SSW

G25

SSW

G26

G28

G31

G35

G38

G39

G40

PRECIP

chance %

11%

15%

12%

CLOUDS

cover %

clear

68%

19%

94%

100%

45%

100%

26%

62%

100%

17%

97%

86%

17%

69%

100%

99%

85%

55%

82%

100%

45%

99%

100%

15%

11%

15%

100%

37%

29%

22%

44%

84%

100%

74%

100%

93%

89%

100%

45%

80%

26%

49%

51%

71%

83%

36%

33%

72%

PRESSURE

hPa · trend

977

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Light

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:48 AM

SUNSET

09:08 PM

15H 20M OF DAYLIGHT8H 35M REMAINING

MOON PHASE

Waxing Gibbous

69% illuminated

Station Location

42.8375, -96.5619

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-06-24 12:33 UTC

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