CO DWR · HIGHLDCO

HIGHLAND DITCH RIVER

CO DWR · HIGHLDCOLIVE

Highland Ditch At Lyons, Co

BOULDER COUNTY, CO40.2150°N, -105.2560°W Updated 2 d ago

FLOW RATE

132cfs

AIR TEMP

68°F

WIND

7mph N

FISH INDEX

75SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

132cfs

Optimal band: 16–22 cfs

PERIOD HIGH

206cfs

PERIOD LOW

1cfs

RUNNABLE

11%

last 1 year in band

Precipitation History

Your History · Highland Ditch At Lyons, Co

Track your history

SPONSORED

Weather Conditions

WEATHER CONDITIONS

TODAY

83°

57°

TUE

91°

58°

WED

90°

59°

THU

95°

60°

FRI

96°

63°

SAT

91°

64°

SUN

92°

57°

TIME

MON

NOW

TUE

WED

THU

FRI

TEMP

hourly forecast

57°

mild

57°

59°

64°

66°

70°

76°

80°

81°

82°

83°

82°

79°

75°

71°

67°

68°

63°

62°

60°

58°

60°

61°

67°

69°

73°

77°

82°

87°

91°

87°

88°

86°

81°

69°

65°

68°

62°

61°

62°

61°

60°

59°

64°

73°

78°

82°

85°

87°

89°

88°

90°

88°

87°

85°

77°

72°

71°

68°

67°

64°

63°

62°

61°

60°

67°

78°

82°

85°

87°

90°

91°

93°

94°

95°

91°

89°

87°

79°

73°

68°

73°

70°

71°

70°

65°

63°

69°

79°

85°

87°

90°

92°

94°

95°

96°

92°

88°

82°

78°

76°

75°

WIND

mph · gust · dir

5mph SSE

G 7 mph

SSE

G11

G14

G20

G17

G20

SSW

G26

G39

WSW

G35

G33

G28

G29

G26

G24

G22

WNW

G16

WNW

G12

WNW

G11

WNW

NNE

G11

WNW

NNE

ENE

G15

ENE

G14

G18

NNE

G21

NNE

G23

G17

NNE

G21

ESE

G17

G15

ESE

ENE

NNE

NNW

G15

G10

WNW

G17

WSW

G19

WSW

G20

G22

G20

G18

ESE

G12

G17

WSW

WNW

G12

G10

WNW

G10

G11

G13

WSW

G14

WSW

G14

G15

SSE

G10

SSE

NNE

WNW

WSW

G15

ENE

G16

G21

WSW

G23

G24

G23

G21

WNW

G17

G16

G21

G29

G33

WNW

G28

WNW

G19

WNW

PRECIP

chance %

11%

13%

CLOUDS

cover %

clear

11%

20%

100%

78%

100%

90%

100%

91%

78%

82%

100%

17%

100%

43%

100%

74%

100%

51%

100%

16%

100%

PRESSURE

hPa · trend

828

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Warm

Wind

Light

Pressure

Rising — Slow

Moon Phase

Peak Activity

DAYLIGHT

SUNRISE

05:34 AM

SUNSET

08:34 PM

15H 0M OF DAYLIGHT14H 7M REMAINING

MOON PHASE

Full Moon

99% illuminated

PEAK ACTIVITY

Station Location

40.2150, -105.2560

Loading map…

DATA · CO DWR · NOAA · NWSUPDATED 2026-06-29 06:27 UTC

Site #HIGHLDCO·CO DWR

Create a free account to save favorites, set flow alerts, and track conditions