USGS · 14238000

COWLITZ RIVER

USGS · 14238000LIVE

COWLITZ RIVER BELOW MAYFIELD DAM, WA

LEWIS COUNTY, WA46.5104°N, -122.6162°W Updated 21 hr ago

FLOW RATE

3,568cfs

AIR TEMP

61°F

WIND

5mph WNW

FISH INDEX

75SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

3,568cfs 0.8% vs avg

Optimal band: 3,742–5,062 cfs

PERIOD HIGH

29,085cfs

PERIOD LOW

2,320cfs

RUNNABLE

15%

last 1 year in band

Precipitation History

Your History · COWLITZ RIVER BELOW MAYFIELD DAM, WA

Track your history

Sign in to track your sessions at COWLITZ RIVER BELOW MAYFIELD DAM, WA — best days, monthly trends, and time on the water.

SPONSORED

Weather Conditions

WEATHER CONDITIONS

TODAY

64°

55°

SAT

62°

53°

SUN

56°

51°

MON

63°

48°

TUE

61°

52°

WED

57°

50°

THU

57°

46°

TIME

FRI

NOW

SAT

SUN

MON

TUE

WED

TEMP

hourly forecast

57°

mild

57°

56°

55°

54°

53°

54°

55°

56°

57°

58°

59°

60°

62°

61°

60°

57°

55°

56°

54°

52°

51°

53°

54°

55°

53°

54°

55°

54°

56°

55°

56°

54°

52°

51°

50°

49°

48°

49°

51°

53°

55°

58°

59°

61°

62°

63°

62°

63°

62°

61°

59°

58°

57°

55°

54°

53°

52°

53°

54°

55°

56°

57°

58°

59°

60°

61°

60°

58°

57°

55°

53°

52°

51°

50°

51°

52°

53°

54°

55°

56°

WIND

mph · gust · dir

5mph NW

G 13 mph

G13

G15

WNW

G13

WNW

G10

WNW

G11

G13

G12

G10

WSW

G13

G11

WSW

G10

WSW

G10

G11

G13

WNW

G12

WNW

G13

WNW

G14

G12

WNW

WSW

SSW

SSE

ENE

NNE

WSW

WNW

ESE

WSW

WNW

SSW

SSE

WSW

WNW

WSW

SSW

PRECIP

chance %

20%

21%

25%

15%

14%

11%

12%

20%

21%

25%

22%

23%

19%

29%

25%

33%

28%

32%

35%

33%

21%

14%

13%

16%

11%

10%

11%

13%

CLOUDS

cover %

100%

overcast

100%

81%

100%

80%

100%

74%

100%

58%

100%

92%

42%

33%

36%

100%

78%

28%

67%

100%

95%

88%

86%

100%

97%

100%

99%

98%

PRESSURE

hPa · trend

997

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Light

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:19 AM

SUNSET

09:07 PM

15H 48M OF DAYLIGHT0H 0M REMAINING

MOON PHASE

Waxing Gibbous

89% illuminated

Station Location

46.5104, -122.6162

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-06-26 21:09 UTC

Site #14238000·USGS

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