USGS · 06730500

BOULDER CREEK

USGS · 06730500LIVE

BOULDER CREEK AT MOUTH NEAR LONGMONT, CO

WELD COUNTY, CO40.1388°N, -105.0202°W Updated 20 hr ago

FLOW RATE

18cfs

GAUGE HT

9.41ft

AIR TEMP

97°F

WIND

12mph NE

FISH INDEX

50SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

18cfs 79.0% vs avg

Optimal band: 17–23 cfs

PERIOD HIGH

166cfs

PERIOD LOW

6cfs

RUNNABLE

16%

last 30 day in band

Gauge Height

9.41ft

Precipitation History

Your History · BOULDER CREEK AT MOUTH NEAR LONGMONT, CO

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Weather Conditions

WEATHER CONDITIONS

TODAY

98°

60°

MON

100°

61°

TUE

100°

63°

WED

99°

62°

THU

98°

62°

FRI

99°

63°

SAT

98°

66°

TIME

SUN

NOW

MON

TUE

WED

THU

FRI

TEMP

hourly forecast

82°

mild

82°

79°

76°

74°

71°

70°

68°

65°

61°

65°

72°

77°

83°

87°

93°

97°

99°

100°

99°

98°

96°

91°

86°

81°

80°

78°

74°

73°

71°

67°

64°

63°

68°

73°

78°

83°

88°

93°

96°

100°

99°

97°

94°

89°

83°

80°

77°

78°

77°

73°

70°

67°

62°

65°

72°

78°

84°

89°

94°

95°

98°

99°

98°

96°

94°

89°

83°

78°

77°

78°

74°

69°

64°

63°

62°

68°

74°

79°

85°

89°

93°

96°

98°

96°

95°

92°

88°

84°

81°

79°

78°

74°

66°

64°

65°

63°

68°

74°

80°

85°

89°

93°

96°

WIND

mph · gust · dir

8mph ESE

G 17 mph

G17

ESE

G17

G16

G14

G18

ESE

NNW

G11

G10

NNW

NNE

ENE

G11

SSE

G11

ESE

G15

ESE

G17

G12

G16

ESE

G14

ESE

G17

G24

G20

G21

G25

SSE

G21

SSE

G14

G11

G13

NNW

G15

NNE

G11

NNE

G10

ESE

SSE

ESE

G28

G17

SSE

G13

G26

SSE

G27

SSE

G22

SSE

NNW

G10

NNW

G10

SSE

ESE

G26

G25

G24

SSE

NNW

G13

NNW

G13

SSE

G10

SSE

G28

G31

SSE

G30

SSE

G25

G28

SSE

G23

SSE

G13

NNW

G13

NNW

G12

G10

NNE

ENE

PRECIP

chance %

CLOUDS

cover %

clear

19%

23%

20%

12%

24%

31%

PRESSURE

hPa · trend

856

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Too Hot

Wind

Moderate

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:41 AM

SUNSET

08:29 PM

14H 48M OF DAYLIGHT

MOON PHASE

Waning Crescent

4% 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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