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Rainbow stocking
Lowland lake · Lewis County · 2,021.9 acres · 428 ft
2,220 rainbows on Aug 25
22 days agoMckernan Hatchery
Fish per pound
Jumbos · 0.9 lb each
1.1
Planted 22 days ago; those fish are still here and spread out.
2026 so far
72,001
110% of a normal year
Normal year
65,691
average of 9 seasons
Typical size
Catchables
0.49 lb each
Stocking season
Apr–Aug
when the truck comes
This year against a 9-season average
2026normal
Recent plants
| Date | Species | Number | Fish/lb | Size |
|---|---|---|---|---|
| Aug 25 | Rainbow | 2,220 | 1.1 | Jumbos · 0.9 lb each |
| Aug 19 | Rainbow | 2,320 | 1.2 | Jumbos · 0.86 lb each |
| Aug 11 | Rainbow | 2,520 | 1.3 | Jumbos · 0.79 lb each |
| Aug 5 | Rainbow | 1,534 | 1.2 | Jumbos · 0.85 lb each |
| Aug 5 | Rainbow | 971 | 1.4 | Jumbos · 0.71 lb each |
| Jul 29 | Rainbow | 2,660 | 1.3 | Jumbos · 0.75 lb each |
| Jul 21 | Rainbow | 2,800 | 1.4 | Jumbos · 0.71 lb each |
| Jul 14 | Rainbow | 2,500 | 1.3 | Jumbos · 0.8 lb each |
193 rainbow releases on record since 2015 · from WDFW's fish plants data, as published.
This lake on WDFWWDFW fishing prospects calendar
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rainbow Trout | ||||||||||||
| Bullhead Catfish | ||||||||||||
| Westslope Cutthroat Trout | ||||||||||||
| Bass | ||||||||||||
| Coastal Cutthroat Trout | ||||||||||||
| Northern Pikeminnow | ||||||||||||
| Yellow Perch |
quiet → best this month
No WDFW calendar for Tiger Muskie — the lake holds it, WDFW just doesn't rate its months.
WDFW rates rainbow trout best in April through June.
WDFW draws one calendar per species for the whole state, so it shows the season's shape rather than this lake's own record. Check the rules for when each species is open here. This lake on WDFW
be the first to say how Mayfield Lake fished
No catch reports yet for this water.
Currently
57°
Clearfeels like 57°
Tue
Favorable
66° 51°
wind 5 kt · 15% rain
Wed
Favorable
78° 51°
wind 7 kt · 2% rain
Thu
Favorable
82° 54°
wind 5 kt · 0% rain
Fri
Favorable
74° 49°
wind 4 kt · 0% rain
Sat
Favorable
76° 49°
wind 4 kt · 0% rain
Sun
Favorable
79° 50°
wind 5 kt · 0% rain
Mon
Favorable
71° 47°
wind 8 kt · 5% rain
The current regulation for Mayfield Lake could not be confidently verified from a structured source, so this dashboard won't guess. Check the official WDFW sport fishing rules before fishing.
rules are shown exactly as published and cover every species at this location — they can change at any time, so always confirm with WDFW before fishingWant to know the best time to fish for rainbow trout this week at Mayfield Lake?
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Wind now
1mph
NNW · gusting 2
Gusts · 12h
12mph
holding or building
wind mph gusts