TroutNearMe

Langlois Lake trout stocking

King County, Washington · lake

Langlois Lake was last stocked 5 months ago (Apr 30, 2026). We have 6 stockings on record since Apr 10, 2025, 4 in the last 12 months (29,425 fish). Most stockings come in April. Species stocked: kokanee, rainbow trout.

Last stocked
5 months ago
Apr 30, 2026
Next planned
Not announced
Last 12 months
4 stockings
29,425 fish
On record
6 stockings
since Apr 10, 2025

River conditions

Nearest USGS gage: SNOQUALMIE RIVER NEAR CARNATION, WA (4 km away, on a different stream or lake).

Flow
528 cfs
about normal for the last six weeks
Gage height
44.48 ft
3959051,415Aug 11Sep 23
Streamflow, last six weeks (cfs), daily. Latest: 522 cfs on Sep 23.

Latest reading Sep 25, 2026, 3:15 AM UTC. USGS data are provisional. Gage page at USGS.

Weather at Langlois Lake

  • Tonight
    51°F
    Light Rain
    90% rain · wind 0 mph
  • Friday
    62°F
    Showers And Thunderstorms
    96% rain · wind 2 mph
  • Friday Night
    45°F
    Rain Likely then Mostly Cloudy
    72% rain · wind 1 to 5 mph
  • Saturday
    63°F
    Partly Sunny
    wind 1 mph
  • Saturday Night
    42°F
    Mostly Cloudy
    wind 1 mph
  • Sunday
    64°F
    Mostly Sunny
    1% rain · wind 1 mph

Forecast from the National Weather Service for this location, refreshed hourly.

When is Langlois Lake stocked?

Most stockings come in April. Stocked 3 times in 2026, mostly in April, about every 20 days.

By month, all years

Jan: 0 stockingsJanFeb: 0 stockingsFebMar: 0 stockingsMarApr: 4 stockings4AprMay: 1 stockings1MayJun: 0 stockingsJunJul: 0 stockingsJulAug: 0 stockingsAugSep: 0 stockingsSepOct: 1 stockings1OctNov: 0 stockingsNovDec: 0 stockingsDec
Stockings of Langlois Lake by month, all years on record. This month is shown in blue.

Year by year

JanFebMarAprMayJunJulAugSepOctNovDec
20263
2025111

What is stocked

SpeciesStockingsFishFish per stockingTypical size
Kokanee344,82514,942
Rainbow trout39,7133,238

Stocking history

DateSpeciesFishPoundsHatchery
Apr 30, 2026Kokanee20,00045Chambers Cr Hatchery
Apr 10, 2026Rainbow trout3,2001,600Tokul Cr Hatchery
Apr 7, 2026Rainbow trout1,400700Tokul Cr Hatchery
Oct 21, 2025Kokanee4,825101Tokul Cr Hatchery
May 1, 2025Kokanee20,00041Chambers Cr Hatchery
Apr 10, 2025Rainbow trout5,1132,045Tokul Cr Hatchery

From Washington fish and wildlife agency reports, collected nightly and kept after the agency takes them down. Agencies revise reports; check the agency's report before you go.

Where is Langlois Lake?

King County, Washington. Approximate: the marker is the USGS place-name point for this water, not an agency location.

DirectionsLarger map

Stocked waters near Langlois Lake

All stocked waters in King CountyStocked this week in Washington

Questions about Langlois Lake

When was Langlois Lake last stocked?
The latest reported stocking was Apr 30, 2026 (kokanee, 20,000 fish), according to Washington agency reports.
How often is Langlois Lake stocked?
Stocked 3 times in 2026, mostly in April, about every 20 days. Across all years on record, most stockings come in April.
What kind of trout are stocked in Langlois Lake?
Kokanee (3 stockings, 44,825 fish); Rainbow trout (3 stockings, 9,713 fish).