USGS · 06357800

GRAND RIVER

USGS · 06357800LIVE

Grand R at Little Eagle, SD

CORSON COUNTY, SD45.6578°N, -100.8183°W Updated 9 hr ago

FLOW RATE

35cfs

GAUGE HT

2.53ft

AIR TEMP

73°F

WIND

7mph ENE

FISH INDEX

63SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

35cfs 4.1% vs avg

Optimal band: 71–97 cfs

PERIOD HIGH

1,408cfs

PERIOD LOW

33cfs

RUNNABLE

31%

last 1 year in band

Gauge Height

2.53ft

Precipitation History

Your History · Grand R at Little Eagle, SD

Track your history

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Weather Conditions

WEATHER CONDITIONS

TODAY

103°

71°

MON

102°

71°

TUE

105°

77°

WED

105°

76°

THU

101°

76°

FRI

98°

67°

SAT

100°

71°

TIME

SUN

NOW

MON

TUE

WED

THU

FRI

TEMP

hourly forecast

88°

mild

88°

92°

96°

99°

101°

102°

103°

102°

100°

97°

92°

86°

83°

81°

78°

75°

74°

73°

72°

71°

79°

84°

87°

91°

94°

97°

99°

101°

102°

101°

100°

98°

93°

87°

86°

85°

82°

81°

80°

77°

81°

85°

89°

93°

97°

100°

102°

103°

104°

105°

104°

102°

94°

89°

86°

83°

82°

79°

78°

76°

77°

82°

87°

92°

96°

99°

101°

103°

104°

105°

104°

102°

96°

90°

87°

84°

85°

86°

85°

81°

79°

76°

77°

81°

86°

90°

92°

94°

97°

100°

101°

98°

97°

96°

93°

89°

85°

81°

77°

74°

72°

71°

WIND

mph · gust · dir

10mph S

G 18 mph

G18

G16

G17

G18

G19

G20

G21

SSE

G21

SSE

G24

SSE

G17

SSE

G17

SSE

G18

SSE

G14

G13

G15

ESE

G15

ESE

G16

G15

ESE

G15

G28

SSW

G29

SSW

G26

SSW

G22

SSW

G22

SSW

G22

G21

G20

G22

G15

SSE

G15

G20

G21

G24

SSE

G27

G23

G24

G11

G17

SSE

G22

SSE

G21

SSE

G17

G15

SSE

G14

SSE

G13

SSE

G15

G16

G22

G25

G14

SSE

ESE

SSE

G11

SSE

G11

G15

SSE

G16

SSE

G20

SSE

G16

G14

SSE

G14

SSE

G17

SSE

G21

SSE

G23

SSE

G22

SSE

G17

G21

G22

G16

G10

SSE

G16

SSE

G16

G12

SSW

NNW

G15

NNW

G18

G22

G24

G25

G24

NNE

G24

NNE

G24

NNE

G25

NNE

PRECIP

chance %

CLOUDS

cover %

clear

97%

100%

46%

13%

55%

11%

87%

10%

86%

100%

66%

87%

10%

78%

58%

100%

16%

59%

100%

25%

100%

86%

100%

32%

100%

74%

100%

81%

62%

36%

15%

29%

67%

PRESSURE

hPa · trend

959

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Warm

Wind

Light

Pressure

Rising — Slow

Moon Phase

Average

DAYLIGHT

SUNRISE

05:06 AM

SUNSET

08:31 PM

15H 25M OF DAYLIGHT

MOON PHASE

Waning Crescent

6% illuminated

Station Location

45.6578, -100.8183

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

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