USGS · 06357800

GRAND RIVER

USGS · 06357800LIVE

Grand R at Little Eagle, SD

CORSON COUNTY, SD45.6578°N, -100.8183°W Updated 14 hr ago

FLOW RATE

35cfs

GAUGE HT

2.53ft

AIR TEMP

86°F

WIND

11mph SSW

FISH INDEX

44SCORE / 100

FAIR · 2 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

35cfs 75.3% vs avg

Optimal band: 45–61 cfs

PERIOD HIGH

140cfs

PERIOD LOW

35cfs

RUNNABLE

61%

last 30 day in band

Gauge Height

2.53ft

Precipitation History

Your History · Grand R at Little Eagle, SD

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Weather Conditions

WEATHER CONDITIONS

TODAY

102°

71°

MON

102°

71°

TUE

105°

75°

WED

103°

73°

THU

104°

71°

FRI

109°

80°

SAT

107°

80°

TIME

SUN

NOW

MON

TUE

WED

THU

FRI

TEMP

hourly forecast

102°

mild

102°

100°

97°

92°

86°

83°

80°

78°

76°

75°

74°

72°

71°

79°

84°

87°

91°

94°

97°

100°

101°

102°

101°

100°

98°

93°

88°

86°

83°

80°

78°

77°

75°

76°

81°

85°

89°

93°

97°

100°

103°

104°

105°

104°

101°

95°

89°

87°

82°

80°

77°

75°

74°

73°

78°

83°

87°

91°

96°

101°

102°

103°

102°

99°

93°

87°

83°

80°

78°

76°

74°

72°

71°

72°

78°

85°

91°

95°

98°

100°

102°

103°

104°

103°

101°

94°

89°

87°

86°

85°

84°

82°

80°

82°

WIND

mph · gust · dir

17mph S

G 22 mph

G22

G21

SSE

G23

SSE

G25

SSE

G18

SSE

G18

SSE

G18

SSE

G17

G16

ESE

G14

G17

G18

SSE

G16

G15

G28

SSW

G29

SSW

G25

SSW

G22

SSW

G21

G22

G21

G22

G23

G15

SSE

G15

G20

SSE

G16

ENE

G10

G11

ESE

G15

G19

SSE

G15

G12

G11

SSE

G11

SSE

G10

SSE

G16

G23

ESE

G26

ESE

G14

G32

ENE

G25

G23

G20

G18

ESE

G13

ESE

G10

ESE

G11

ESE

G10

G12

G16

G17

SSE

G14

SSE

G14

G18

ESE

G23

ESE

G26

ESE

G34

G33

G32

G28

ESE

G25

ESE

G22

ESE

G20

ESE

G15

G14

ESE

G13

SSE

G14

G18

SSE

G18

SSE

G19

SSE

G15

SSE

G14

SSE

G17

G20

G28

ESE

G31

G30

SSE

G35

G34

G32

G30

G29

SSE

G28

SSE

G25

SSE

PRECIP

chance %

CLOUDS

cover %

clear

23%

93%

18%

100%

51%

34%

100%

11%

63%

100%

25%

99%

12%

73%

67%

30%

10%

16%

10%

98%

16%

17%

16%

30%

41%

46%

50%

56%

72%

PRESSURE

hPa · trend

959

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Too Hot

Wind

Moderate

Pressure

Rising — Slow

Moon Phase

Average

DAYLIGHT

SUNRISE

05:06 AM

SUNSET

08:31 PM

15H 25M OF DAYLIGHT

MOON PHASE

Waning Crescent

5% 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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