CO DWR · GRSVALCO

GRASS VALLEY CANAL RIVER

CO DWR · GRSVALCOLIVE

Grass Valley Canal Near Rifle Falls, Co

GARFIELD COUNTY, CO39.6758°N, -107.6984°W Updated 1 d ago

FLOW RATE

0cfs

AIR TEMP

79°F

WIND

24mph SW

FISH INDEX

75SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

0cfs

Optimal band: 19–25 cfs

PERIOD HIGH

22cfs

PERIOD LOW

7cfs

RUNNABLE

96%

last 30 day in band

Precipitation History

Your History · Grass Valley Canal Near Rifle Falls, Co

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Weather Conditions

WEATHER CONDITIONS

TODAY

80°

54°

MON

73°

48°

TUE

84°

54°

WED

83°

44°

THU

83°

47°

FRI

85°

48°

SAT

84°

48°

TIME

SUN

NOW

MON

TUE

WED

THU

FRI

TEMP

hourly forecast

63°

mild

63°

61°

58°

57°

55°

53°

50°

49°

48°

52°

56°

58°

63°

65°

68°

70°

72°

73°

72°

71°

69°

66°

63°

61°

60°

59°

58°

59°

58°

57°

63°

70°

73°

76°

78°

81°

83°

84°

82°

80°

77°

71°

64°

58°

54°

52°

50°

48°

47°

46°

45°

44°

50°

57°

64°

69°

74°

77°

80°

81°

82°

83°

82°

80°

78°

70°

60°

57°

54°

53°

52°

50°

49°

48°

47°

53°

60°

66°

72°

77°

80°

82°

83°

82°

81°

79°

73°

63°

59°

57°

56°

54°

52°

51°

49°

48°

53°

61°

68°

73°

78°

81°

83°

84°

WIND

mph · gust · dir

1mph SW

G 16 mph

G16

G24

NNE

G22

NNE

G23

NNE

G20

NNE

G13

NNE

G10

WSW

G19

SSW

G25

WSW

G26

WSW

G23

WSW

G24

G25

G24

WSW

G22

G21

G18

G13

NNE

ENE

G12

ENE

G11

G17

SSW

G24

G29

G33

G36

G39

G40

G43

G37

G32

WSW

G32

NNE

G11

G16

G17

WSW

G19

WSW

G18

G19

WSW

G20

WSW

G21

WSW

G18

WSW

G12

WSW

NNW

NNE

SSE

G10

G14

SSW

G17

G18

WSW

G18

WSW

G18

WSW

G17

G18

WSW

G18

G19

G16

NNW

NNE

ENE

G10

SSE

G13

G17

G22

G26

WSW

G28

WSW

G29

WSW

PRECIP

chance %

CLOUDS

cover %

clear

12%

71%

100%

95%

11%

100%

41%

35%

11%

38%

74%

PRESSURE

hPa · trend

793

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Warm

Wind

Strong

Pressure

Falling — Active

Moon Phase

Peak Activity

DAYLIGHT

SUNRISE

05:45 AM

SUNSET

08:42 PM

14H 57M OF DAYLIGHT0H 0M REMAINING

MOON PHASE

Full Moon

99% illuminated

PEAK ACTIVITY

Station Location

39.6758, -107.6984

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DATA · CO DWR · NOAA · NWSUPDATED 2026-06-28 21:39 UTC

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