Waterlands
Cowlitz River
USGS · 14238000
COWLITZ RIVER
USGS · 14238000LIVE

COWLITZ RIVER BELOW MAYFIELD DAM, WA

LEWIS COUNTY, WA46.5104°N, -122.6162°W Updated 9 hr ago
FLOW RATE
2,299cfs
GAUGE HT
9.78ft
AIR TEMP
56°F
WIND
4mph WNW
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
2,299cfs 32.3% vs avg
Optimal band: 3,061–4,141 cfs
PERIOD HIGH
3,955cfs
PERIOD LOW
2,293cfs
RUNNABLE
65%
last 30 day in band

Gauge Height

9.78ft
Precipitation History
Your History · COWLITZ RIVER BELOW MAYFIELD DAM, WA

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Weather Conditions
WEATHER CONDITIONS
TODAY
73°
53°
MON
80°
49°
TUE
86°
50°
WED
90°
52°
THU
89°
54°
FRI
82°
53°
SAT
82°
50°
TIME
SUN
10
NOW
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
TEMP
hourly forecast
62°
mild
62°
64°
67°
69°
71°
72°
73°
73°
73°
72°
69°
64°
61°
58°
56°
54°
53°
52°
50°
49°
49°
53°
57°
61°
66°
70°
74°
76°
78°
79°
80°
80°
79°
77°
74°
67°
62°
58°
55°
54°
52°
52°
51°
50°
50°
56°
61°
66°
70°
74°
78°
81°
83°
85°
86°
85°
84°
81°
73°
65°
60°
57°
56°
55°
54°
56°
54°
52°
52°
58°
63°
69°
74°
78°
82°
85°
88°
90°
90°
89°
88°
85°
78°
70°
65°
63°
61°
60°
58°
58°
55°
54°
55°
59°
64°
69°
73°
77°
81°
83°
86°
88°
89°
89°
85°
78°
71°
66°
61°
58°
56°
55°
WIND
mph · gust · dir
4mph NW
G 5 mph
4
G5
NW
5
G6
NNW
6
G7
NNW
6
G8
NNW
7
G9
NNW
7
G9
NNW
8
G10
N
8
G10
N
8
G10
N
7
G9
N
6
G11
N
7
G16
NW
6
G18
NW
4
G17
NW
3
G11
SSW
4
G5
SSW
4
G5
SW
3
G5
SW
3
SSW
2
G4
SW
2
G5
SW
1
G5
SSW
2
W
3
W
3
W
3
G4
W
4
G5
WNW
5
G6
WNW
6
G7
NW
6
G8
NW
7
G8
NNW
7
G9
NNW
7
G9
NNW
7
G10
NNW
6
G11
NNW
5
G12
NW
3
G9
SSE
2
G5
ESE
2
ENE
2
E
2
ENE
2
E
2
ENE
2
E
2
ENE
1
G2
ENE
2
W
4
W
4
W
5
W
6
W
6
W
6
W
6
WNW
7
WNW
7
WNW
7
NW
7
G11
NW
7
G13
NW
5
NW
2
N
1
G2
ENE
2
SE
1
G2
SE
2
NE
1
N
2
E
2
E
2
G3
ENE
1
G2
NNW
1
G3
WNW
3
W
5
W
5
W
6
W
5
WNW
5
WNW
6
NNW
8
N
8
N
8
G10
N
7
G13
N
5
G6
NNW
3
N
3
NNE
2
G3
ENE
2
ENE
3
ESE
2
NE
2
S
2
ESE
2
E
1
G2
SE
2
SSW
2
SW
3
WSW
4
WSW
4
SW
5
WSW
5
WSW
5
WSW
5
G7
WSW
4
G6
WSW
5
G6
WSW
5
G7
W
5
G8
W
4
G7
WNW
4
G6
WNW
3
NW
2
NNW
2
NNW
1
NW
PRECIP
chance %
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%
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%
0%
0%
0%
0%
0%
0%
11%
11%
11%
11%
11%
11%
25%
25%
25%
25%
25%
25%
14%
14%
14%
14%
14%
14%
3%
3%
3%
3%
3%
3%
2%
2%
2%
2%
2%
2%
2%
2%
CLOUDS
cover %
6%
clear
6%
4%
3%
1%
1%
1%
1%
0%
0%
3%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
2%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
25%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
5%
100%
100%
100%
100%
0%
0%
0%
0%
0%
0%
0%
0%
5%
5%
0%
0%
0%
0%
0%
6%
18%
6%
7%
7%
7%
8%
98%
19%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
5%
0%
0%
19%
46%
65%
71%
70%
62%
44%
19%
PRESSURE
hPa · trend
1008
100810061006100610061005100510061006100310051006100499910009999989961001
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Ideal
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:30 AM
SUNSET
09:02 PM
15H 32M OF DAYLIGHT
MOON PHASE
Waning Crescent
6% illuminated

Station Location

46.5104, -122.6162
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC
Site #14238000·USGS

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