USGS · 06479770

BIG SIOUX RIVER

USGS · 06479770LIVE

Big Sioux R nr Bruce, SD

BROOKINGS COUNTY, SD44.4678°N, -96.8876°W Updated 49 min ago

FLOW RATE

133cfs

GAUGE HT

4.04ft

AIR TEMP

59°F

WIND

9mph WNW

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

133cfs 70.8% vs avg

Optimal band: 117–159 cfs

PERIOD HIGH

159cfs

PERIOD LOW

127cfs

RUNNABLE

100%

last 1 day in band

Gauge Height

4.04ft

Precipitation History

SPONSORED

Weather Conditions

WEATHER CONDITIONS

TODAY

72°

54°

THU

74°

52°

FRI

79°

53°

SAT

83°

58°

SUN

105°

70°

MON

100°

75°

TUE

102°

63°

TIME

WED

NOW

THU

FRI

SAT

SUN

MON

TEMP

hourly forecast

70°

mild

70°

71°

72°

71°

70°

68°

64°

61°

59°

58°

57°

56°

55°

54°

53°

52°

55°

60°

64°

67°

69°

70°

72°

73°

74°

73°

74°

73°

72°

67°

64°

62°

59°

57°

55°

54°

53°

56°

62°

67°

71°

72°

71°

76°

78°

79°

78°

75°

74°

70°

68°

66°

64°

63°

61°

60°

59°

58°

60°

63°

67°

71°

75°

78°

80°

82°

83°

82°

80°

79°

76°

75°

73°

72°

71°

70°

71°

72°

73°

75°

76°

80°

84°

87°

90°

94°

99°

102°

105°

101°

96°

92°

89°

86°

84°

82°

81°

79°

77°

76°

WIND

mph · gust · dir

15mph NW

G 19 mph

G19

G17

G20

G17

G14

G13

G12

NNW

G10

WNW

G10

WNW

G11

WNW

G10

NNW

G12

NNW

G11

G12

G11

NNW

G11

NNW

NNE

G11

ENE

G11

G12

ESE

G12

ESE

G10

G12

G15

G16

G15

G14

G15

G16

G17

G18

SSE

G18

SSE

G22

SSE

G25

SSE

G28

SSE

G29

G35

G31

SSE

G29

SSE

G32

SSE

G31

G33

SSE

G30

G31

G33

SSE

G34

SSE

G29

SSE

G28

SSE

G27

SSE

G28

SSE

G26

SSE

G26

SSE

G26

SSE

G30

SSE

G26

G28

G30

G32

G35

SSE

G37

G38

G34

G30

G28

G27

G26

G27

G28

G25

SSE

G23

SSE

G23

SSE

G26

G27

G25

G24

G25

SSW

G24

G27

G30

G34

G37

G39

G40

SSE

G40

SSE

G39

SSE

G39

SSE

G38

SSE

PRECIP

chance %

19%

26%

23%

17%

29%

CLOUDS

cover %

25%

few

25%

32%

27%

30%

23%

100%

83%

100%

18%

100%

84%

24%

87%

100%

99%

100%

95%

82%

100%

43%

21%

91%

60%

100%

95%

100%

19%

15%

49%

85%

100%

17%

12%

10%

100%

96%

43%

100%

41%

16%

69%

66%

100%

67%

100%

80%

88%

100%

55%

27%

22%

PRESSURE

hPa · trend

961

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Light

Pressure

Rising — Slow

Moon Phase

Average

DAYLIGHT

SUNRISE

05:44 AM

SUNSET

09:16 PM

15H 32M OF DAYLIGHT8H 42M REMAINING

MOON PHASE

Waxing Gibbous

69% illuminated

Station Location

44.4678, -96.8876

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-06-24 12:34 UTC

Site #06479770·USGS

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