CO DWR · BOC109CO

BOULDER CREEK

CO DWR · BOC109COLIVE

Boulder Creek At 109 St Near Erie, Co

BOULDER COUNTY, CO40.0598°N, -105.0979°W Updated 1 d ago

FLOW RATE

20cfs

AIR TEMP

70°F

WIND

5mph SSW

FISH INDEX

63SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

20cfs

Optimal band: 13–17 cfs

PERIOD HIGH

28cfs

PERIOD LOW

7cfs

RUNNABLE

29%

last 7 day in band

Precipitation History

Your History · Boulder Creek At 109 St Near Erie, Co

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Weather Conditions

WEATHER CONDITIONS

TODAY

98°

63°

MON

100°

64°

TUE

100°

68°

WED

102°

68°

THU

101°

66°

FRI

99°

67°

SAT

100°

68°

TIME

SUN

NOW

MON

TUE

WED

THU

FRI

TEMP

hourly forecast

72°

mild

72°

77°

83°

87°

92°

96°

97°

98°

97°

96°

95°

93°

88°

83°

79°

78°

76°

73°

72°

70°

68°

66°

64°

67°

72°

77°

82°

87°

93°

97°

98°

99°

100°

99°

98°

96°

91°

86°

84°

82°

81°

77°

74°

71°

68°

69°

70°

74°

79°

84°

88°

92°

94°

97°

98°

100°

99°

97°

95°

91°

87°

85°

83°

81°

77°

74°

72°

69°

68°

73°

77°

81°

86°

90°

93°

96°

99°

101°

102°

100°

98°

96°

92°

88°

85°

81°

77°

74°

71°

69°

68°

66°

71°

76°

80°

84°

89°

93°

96°

97°

99°

100°

101°

99°

96°

92°

88°

84°

80°

77°

74°

WIND

mph · gust · dir

6mph NNW

G 12 mph

G12

NNW

NNE

G11

G16

ENE

G19

G12

ESE

G15

ESE

G15

G17

ESE

G20

ESE

G18

G17

SSE

G18

WNW

G10

WSW

G10

WSW

WNW

G11

NNW

G10

ESE

G10

G14

ENE

G18

G12

ESE

G15

ESE

G19

G22

G24

SSE

G29

SSE

G32

SSE

G30

SSW

G18

G11

WNW

G15

G16

NNW

G11

ESE

SSE

G28

G32

G33

SSE

G35

SSE

G34

G29

SSW

G21

G11

G10

G12

NNW

G10

NNW

ENE

ESE

SSE

G23

SSE

G29

SSE

G30

SSE

G34

G32

SSW

G18

WNW

G14

G13

NNW

G11

NNW

NNE

ENE

ESE

SSE

G12

ESE

G24

G26

G27

SSE

G26

G24

SSW

G18

PRECIP

chance %

CLOUDS

cover %

clear

12%

61%

54%

100%

PRESSURE

hPa · trend

851

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Warm

Wind

Light

Pressure

Rising — Slow

Moon Phase

Average

DAYLIGHT

SUNRISE

05:42 AM

SUNSET

08:29 PM

14H 47M OF DAYLIGHT

MOON PHASE

Waning Crescent

7% illuminated

Station Location

40.0598, -105.0979

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DATA · CO DWR · NOAA · NWSUPDATED 2026-07-11 00:00 UTC

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