Waterlands
Leyner Cottonwood Ditch River
CO DWR · LCWDITCO
LEYNER COTTONWOOD DITCH RIVER
CO DWR · LCWDITCOLIVE

Leyner Cottonwood Ditch

BOULDER COUNTY, CO40.0217°N, -105.1661°W Updated 1 d ago
FLOW RATE
0cfs
AIR TEMP
69°F
WIND
4mph NW
FISH INDEX
69SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
0cfs
Optimal band: 14–18 cfs
PERIOD HIGH
20cfs
PERIOD LOW
7cfs
RUNNABLE
50%
last 30 day in band
Precipitation History
Your History · Leyner Cottonwood Ditch

Track your history

Sign in to track your sessions at Leyner Cottonwood Ditch — best days, monthly trends, and time on the water.

Sign in
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
97°
63°
MON
99°
63°
TUE
99°
68°
WED
101°
67°
THU
101°
65°
FRI
98°
67°
SAT
100°
67°
TIME
SUN
9
NOW
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
MON
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
TUE
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
WED
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
THU
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
FRI
12
am
1
am
2
am
TEMP
hourly forecast
78°
mild
78°
83°
88°
92°
94°
97°
96°
94°
96°
95°
93°
89°
82°
78°
75°
74°
72°
69°
68°
66°
65°
63°
67°
72°
78°
82°
87°
92°
96°
98°
99°
99°
99°
97°
96°
91°
87°
83°
82°
80°
77°
73°
71°
68°
68°
68°
70°
74°
79°
83°
87°
91°
94°
96°
98°
99°
99°
97°
94°
90°
87°
85°
83°
80°
77°
73°
71°
68°
67°
67°
73°
76°
81°
85°
89°
92°
95°
98°
100°
101°
100°
98°
95°
91°
87°
85°
81°
76°
73°
71°
69°
68°
67°
65°
71°
75°
79°
84°
88°
92°
95°
97°
98°
99°
101°
98°
95°
91°
87°
83°
80°
76°
74°
71°
WIND
mph · gust · dir
5mph NNE
5
NNE
4
NE
5
NE
6
ENE
6
G10
ENE
7
G10
ESE
6
G9
ENE
16
G18
ESE
10
G11
ESE
11
G13
E
14
G18
E
9
G18
ESE
8
G17
ESE
7
G16
SE
4
G5
NNW
6
NW
5
NW
4
G5
W
5
G6
SW
5
G7
WSW
3
WNW
5
G11
N
4
G10
WSW
6
G9
NNW
5
G6
N
5
G9
NE
5
G9
E
3
G6
E
6
G11
ENE
13
G16
ENE
9
G15
ESE
11
G14
NE
12
G14
E
10
G11
ENE
9
G11
ESE
8
G16
ESE
10
G17
SE
14
G19
SSE
16
SSE
13
S
7
SSW
6
W
7
WNW
8
NW
7
NW
6
NNW
6
N
7
N
6
N
3
NE
5
G6
ESE
9
SE
8
SSE
7
SSE
8
G9
SSE
11
SSE
18
SE
20
SE
19
SE
20
G25
SE
20
G21
SE
18
SSE
16
SSE
12
S
8
SSW
6
SW
5
W
5
NW
4
NW
3
NNW
2
NNW
3
N
4
ENE
6
E
7
ESE
8
SE
7
G8
SSE
6
G8
SSE
9
SSE
16
SE
17
SE
18
SE
18
SE
16
SSE
18
SSE
14
SSE
10
S
6
SSW
5
G7
W
7
WNW
7
WNW
6
NW
4
NNW
3
N
2
G3
NNW
4
NNE
5
NNE
4
G5
NE
4
G6
ENE
5
G6
ESE
7
SE
8
SE
6
G8
SSE
4
G9
S
11
ESE
22
ESE
21
ESE
18
SE
15
SE
12
G13
SSE
8
G9
S
6
SSW
5
G6
SW
4
G6
WSW
PRECIP
chance %
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
2%
2%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
0%
0%
CLOUDS
cover %
0%
clear
0%
0%
0%
0%
0%
0%
0%
90%
40%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
3%
100%
66%
85%
3%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
54%
0%
5%
100%
100%
100%
5%
0%
0%
0%
0%
0%
5%
0%
0%
0%
0%
0%
5%
5%
0%
0%
0%
1%
2%
3%
2%
1%
0%
0%
0%
PRESSURE
hPa · trend
848
848850848844847849846846847845845844844843843842843842844
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
69
Temperature
Warm
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:42 AM
SUNSET
08:30 PM
14H 48M OF DAYLIGHT
MOON PHASE
Waning Crescent
6% illuminated

Station Location

40.0217, -105.1661
Loading map…
DATA · CO DWR · NOAA · NWSUPDATED 2026-07-11 00:00 UTC
Site #LCWDITCO·CO DWR

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

Sign up free