CO DWR · BOCBGRCO

SOUTH BOULDER CREEK

CO DWR · BOCBGRCOLIVE

South Boulder Creek Below Gross Reservoir

BOULDER COUNTY, CO39.9383°N, -105.3480°W Updated 1 d ago

FLOW RATE

195cfs

AIR TEMP

66°F

WIND

3mph NNE

FISH INDEX

81SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

195cfs

Optimal band: 166–224 cfs

PERIOD HIGH

195cfs

PERIOD LOW

195cfs

RUNNABLE

100%

last 1 day in band

Precipitation History

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Weather Conditions

WEATHER CONDITIONS

TODAY

85°

59°

WED

88°

63°

THU

89°

60°

FRI

89°

61°

SAT

90°

62°

SUN

89°

63°

MON

93°

61°

TIME

TUE

NOW

WED

THU

FRI

SAT

SUN

TEMP

hourly forecast

75°

mild

75°

78°

82°

85°

83°

81°

82°

79°

78°

81°

79°

77°

71°

69°

70°

69°

67°

66°

65°

64°

68°

76°

78°

79°

83°

84°

87°

88°

77°

80°

78°

77°

76°

70°

66°

63°

62°

61°

60°

61°

62°

67°

76°

82°

85°

86°

87°

89°

80°

88°

89°

86°

83°

79°

73°

66°

63°

62°

61°

66°

75°

82°

86°

87°

89°

87°

88°

84°

82°

75°

67°

65°

64°

63°

62°

67°

78°

83°

85°

86°

87°

89°

90°

89°

88°

83°

77°

72°

69°

66°

65°

WIND

mph · gust · dir

6mph ESE

G 14 mph

G14

ESE

G12

ESE

G12

ESE

G14

ESE

G14

ESE

G11

SSE

G17

ENE

G21

G12

WSW

G11

WNW

G15

G23

G22

G37

G14

G10

WNW

G15

WNW

G13

G12

WNW

G11

G23

G26

WNW

G29

WNW

G12

G19

WNW

G15

WNW

G19

NNW

G47

G33

WNW

G30

SSE

G16

G12

WSW

G12

SSE

WSW

WNW

G15

NNW

G16

NNW

G18

WNW

G20

WNW

G15

WNW

G16

G17

G15

WSW

WNW

ENE

G10

G15

G19

ESE

G14

SSE

G11

ENE

G14

ESE

G16

G18

ESE

G10

WNW

WSW

G13

G12

G11

ESE

G10

WSW

PRECIP

chance %

14%

26%

23%

13%

12%

10%

64%

25%

65%

38%

36%

CLOUDS

cover %

clear

17%

53%

100%

87%

100%

54%

87%

95%

100%

82%

100%

86%

100%

95%

78%

48%

100%

70%

72%

79%

77%

53%

21%

74%

85%

100%

74%

10%

100%

11%

100%

11%

36%

100%

56%

29%

11%

10%

62%

100%

PRESSURE

hPa · trend

798

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Calm

Pressure

Rising — Slow

Moon Phase

Good

DAYLIGHT

SUNRISE

05:39 AM

SUNSET

08:32 PM

14H 53M OF DAYLIGHT

MOON PHASE

Last Quarter

51% illuminated

Station Location

39.9383, -105.3480

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DATA · CO DWR · NOAA · NWSUPDATED 2026-07-06 06:00 UTC

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