USGS · 06485500

BIG SIOUX RIVER

USGS · 06485500LIVE

BIG SIOUX RIVER AT AKRON, IA

AKRON, IA42.8375°N, -96.5619°W Updated 13 hr ago

FLOW RATE

958cfs

AIR TEMP

68°F

WIND

9mph NW

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

958cfs 47.9% vs avg

Optimal band: 1,032–1,396 cfs

PERIOD HIGH

3,776cfs

PERIOD LOW

662cfs

RUNNABLE

30%

last 1 year in band

Precipitation History

SPONSORED

Weather Conditions

WEATHER CONDITIONS

TODAY

78°

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

77°

mild

77°

78°

77°

76°

73°

70°

67°

66°

65°

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

14mph NW

G 19 mph

G19

G16

G20

G15

G14

G17

G11

WSW

G11

WNW

NNE

NNW

NNE

G11

NNE

G11

NNE

G13

NNE

G13

NNE

G14

G12

G11

NNE

ESE

G12

G13

G17

G19

ESE

G10

G13

ESE

G10

G11

ESE

G12

ESE

G12

G13

G14

G15

G14

G15

G16

ESE

G21

ESE

G24

ESE

G25

G27

G26

G24

G23

ESE

G23

G21

G23

G24

G22

G21

G20

G23

G24

SSE

G22

SSE

G22

G25

ESE

G32

ESE

G36

G35

G34

G32

G31

G32

SSE

G29

SSE

G26

G24

SSW

G25

SSW

G25

G26

G28

G31

G34

G38

G39

G40

G39

G37

PRECIP

chance %

11%

15%

12%

CLOUDS

cover %

clear

78%

75%

100%

92%

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%

100%

PRESSURE

hPa · trend

978

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Warm

Wind

Light

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:48 AM

SUNSET

09:08 PM

15H 20M OF DAYLIGHT7H 15M REMAINING

MOON PHASE

Waxing Gibbous

70% illuminated

Station Location

42.8375, -96.5619

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-06-24 13:53 UTC

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