USGS · 06730500

BOULDER CREEK

USGS · 06730500LIVE

BOULDER CREEK AT MOUTH NEAR LONGMONT, CO

WELD COUNTY, CO40.1388°N, -105.0202°W Updated 16 hr ago

FLOW RATE

19cfs

GAUGE HT

9.42ft

AIR TEMP

82°F

WIND

6mph NNE

FISH INDEX

50SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

19cfs 72.4% vs avg

Optimal band: 15–21 cfs

PERIOD HIGH

29cfs

PERIOD LOW

11cfs

RUNNABLE

38%

last 7 day in band

Gauge Height

9.42ft

Precipitation History

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Weather Conditions

WEATHER CONDITIONS

TODAY

99°

60°

MON

100°

62°

TUE

100°

63°

WED

100°

62°

THU

100°

59°

FRI

100°

63°

SAT

100°

60°

TIME

SUN

NOW

MON

TUE

WED

THU

FRI

TEMP

hourly forecast

99°

mild

99°

97°

96°

94°

89°

82°

78°

75°

74°

73°

71°

70°

68°

65°

62°

66°

73°

78°

82°

88°

93°

97°

98°

99°

100°

99°

98°

96°

91°

85°

81°

78°

76°

74°

72°

70°

67°

65°

63°

67°

73°

79°

85°

89°

94°

96°

99°

100°

99°

96°

94°

89°

84°

81°

80°

76°

73°

66°

62°

65°

72°

78°

85°

89°

93°

97°

99°

100°

99°

98°

96°

94°

89°

83°

81°

79°

78°

74°

69°

61°

59°

64°

71°

78°

85°

90°

94°

98°

100°

98°

96°

94°

89°

84°

83°

81°

79°

75°

70°

67°

64°

63°

64°

68°

74°

80°

WIND

mph · gust · dir

16mph ESE

G 18 mph

G18

ESE

G19

ESE

G19

ESE

G18

ESE

G17

ESE

G16

ESE

G17

G16

G18

SSE

G21

SSE

NNW

SSE

WNW

NNW

ENE

G10

SSE

G11

G12

ESE

G15

G11

G13

ESE

G14

ESE

G18

G22

G20

G19

G20

G19

G14

ENE

NNE

ENE

ESE

G11

NNW

G10

G12

NNW

G11

G10

SSE

ESE

G29

G32

G26

SSE

G20

SSE

G22

SSE

G14

SSE

G21

SSE

WNW

NNW

G10

SSE

ESE

G28

G31

SSE

G26

SSE

G22

SSE

G21

SSE

G11

SSE

NNW

G12

SSE

G11

SSE

G29

G33

G34

SSE

G31

SSE

G29

SSE

G21

SSE

G10

SSW

NNW

PRECIP

chance %

CLOUDS

cover %

clear

23%

PRESSURE

hPa · trend

858

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Too Hot

Wind

Light

Pressure

Rising — Slow

Moon Phase

Average

DAYLIGHT

SUNRISE

05:41 AM

SUNSET

08:29 PM

14H 48M OF DAYLIGHT

MOON PHASE

Waning Crescent

5% illuminated

Station Location

40.1388, -105.0202

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

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