Waterlands
Tualatin River
USGS · 14203500
TUALATIN RIVER
USGS · 14203500LIVE

TUALATIN RIVER NEAR DILLEY, OR

WASHINGTON COUNTY, OR45.4748°N, -123.1243°W Updated 15 hr ago
FLOW RATE
201cfs
AIR TEMP
63°F
WIND
5mph N
FISH INDEX
81SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
201cfs 11.0% vs avg
Optimal band: 184–250 cfs
PERIOD HIGH
2,236cfs
PERIOD LOW
57cfs
RUNNABLE
26%
last 1 year in band
Precipitation History
Your History · TUALATIN RIVER NEAR DILLEY, OR

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Weather Conditions
WEATHER CONDITIONS
TODAY
78°
55°
THU
79°
52°
FRI
77°
53°
SAT
75°
50°
SUN
82°
47°
MON
88°
52°
TUE
88°
52°
TIME
WED
4
NOW
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
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
SAT
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
SUN
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
MON
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
TEMP
hourly forecast
77°
mild
77°
77°
75°
73°
69°
64°
61°
58°
57°
55°
54°
54°
53°
52°
52°
55°
58°
62°
66°
69°
72°
75°
77°
79°
79°
79°
77°
75°
72°
67°
64°
62°
61°
60°
59°
57°
55°
54°
53°
57°
62°
66°
70°
73°
75°
75°
75°
77°
76°
75°
76°
75°
70°
63°
59°
55°
54°
53°
52°
51°
51°
50°
54°
56°
58°
60°
62°
66°
70°
70°
69°
74°
75°
73°
71°
68°
64°
57°
53°
51°
50°
49°
49°
48°
48°
47°
47°
51°
57°
61°
66°
70°
74°
77°
79°
80°
81°
82°
81°
77°
70°
63°
60°
58°
56°
55°
54°
53°
52°
52°
53°
57°
WIND
mph · gust · dir
13mph NNE
G 16 mph
13
G16
NNE
13
G16
N
12
G16
N
12
G17
N
11
G19
N
8
G20
NNE
6
G18
NNE
6
G14
NE
5
G11
ENE
6
G10
ENE
6
G10
ENE
6
G10
ENE
6
G10
ENE
6
G11
ENE
5
G10
ENE
5
G11
NE
7
G12
NNE
7
G11
NNE
6
G10
NNE
6
G8
NNE
6
G9
NNE
7
G9
NNE
8
G10
NNE
9
G11
NNE
10
G12
NNE
11
G14
N
11
G13
N
11
G15
N
11
G17
N
9
G19
N
7
G17
NNE
5
G14
NE
4
G11
ENE
4
G12
ENE
4
G13
ENE
3
G9
SE
2
G5
S
2
G4
W
2
G3
NW
1
G2
ESE
1
ESE
2
ESE
3
ESE
4
ESE
4
ESE
1
G5
SSE
2
G6
NW
4
G7
N
5
G7
N
7
N
5
G10
N
4
G9
NNW
4
G11
NW
4
G14
WNW
5
G12
WNW
5
G9
W
4
G6
WNW
4
G5
WNW
4
G5
WNW
4
WNW
4
WNW
3
W
3
W
1
G2
WSW
2
S
2
G3
S
2
G3
S
3
G4
SSE
4
G6
SSE
5
G8
SW
6
G7
WSW
6
G8
WSW
9
WSW
11
W
7
W
7
WNW
4
G12
NW
5
G15
NW
5
G15
NW
5
G12
WNW
5
G9
WNW
4
G7
WNW
5
G6
WNW
4
G5
WNW
4
WNW
4
NW
3
NW
2
G4
NNW
2
G5
NNE
3
G5
NE
3
G5
NE
3
G4
NE
3
G4
ENE
4
G5
ENE
5
ENE
6
E
6
ENE
6
G7
ENE
6
NE
6
G8
NNE
6
G15
N
6
G16
NW
6
G12
WNW
6
G9
WNW
5
G7
WNW
5
G6
WNW
4
G5
WNW
3
G4
WNW
3
NW
2
NW
2
NNW
1
G2
N
PRECIP
chance %
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
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%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
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%
1%
1%
1%
1%
1%
1%
0%
0%
CLOUDS
cover %
1%
clear
1%
0%
3%
37%
12%
1%
1%
4%
15%
18%
16%
2%
12%
35%
16%
11%
1%
1%
1%
1%
1%
10%
100%
35%
18%
3%
0%
0%
0%
0%
0%
0%
6%
18%
3%
0%
8%
15%
0%
0%
0%
0%
0%
13%
86%
100%
100%
94%
100%
100%
69%
77%
0%
0%
0%
0%
0%
8%
86%
94%
75%
97%
100%
100%
100%
100%
100%
100%
85%
100%
100%
60%
0%
0%
0%
0%
0%
0%
0%
0%
6%
0%
0%
0%
0%
0%
0%
0%
0%
0%
5%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
PRESSURE
hPa · trend
1015
1015101510151015101210111010100810051007101010111010101410151013100910101011
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
81
Temperature
Ideal
Wind
Light
Pressure
Stable
Moon Phase
Good
DAYLIGHT
SUNRISE
05:32 AM
SUNSET
09:02 PM
15H 30M OF DAYLIGHT
MOON PHASE
Last Quarter
37% illuminated

Station Location

45.4748, -123.1243
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-08 00:00 UTC
Site #14203500·USGS

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