Lake Armstrong trout stocking
Snohomish County, Washington · lake · about 141 ft elevation
Lake Armstrong was last stocked 7 months ago (Apr 22, 2026). We have 14 stockings on record since Apr 18, 2017, 2 in the last 12 months (2,762 fish). Most stockings come in April. Species stocked: rainbow trout, cutthroat trout.
- Number 19 of 127 stocked waters in Snohomish County by stocking days.
- Stocked more often than 73% of Washington waters on our record.
River conditions
Nearest USGS gage: NF STILLAGUAMISH RIVER NEAR ARLINGTON, WA (7 km away, on a different stream or lake).
- Flow
- 1,650 cfs
- much higher than usual for the last six weeks
- Gage height
- 3.41 ft
Latest reading Nov 9, 2026, 8:15 AM UTC. USGS data are provisional. Gage page at USGS.
Weather at Lake Armstrong
- Today60°FMostly Cloudy then Chance Light Rain27% rain · wind 2 to 8 mph
- Tonight46°FLight Rain96% rain · wind 2 to 12 mph
- Thursday55°FPartly Sunny13% rain · wind 2 to 7 mph
- Thursday Night44°FMostly Cloudy then Light Rain81% rain · wind 6 to 10 mph
- Friday54°FLight Rain94% rain · wind 7 to 13 mph
- Friday Night48°FLight Rain Likely69% rain · wind 5 to 12 mph
Forecast from the National Weather Service for this location, refreshed hourly.
When is Lake Armstrong stocked?
Most stockings come in April.
By month, all years
Year by year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2 | |||||||||||
| 2025 | 2 | |||||||||||
| 2024 | 1 | 1 | ||||||||||
| 2023 | 1 | 1 | ||||||||||
| 2022 | 1 | |||||||||||
| 2021 | 1 | |||||||||||
| 2020 | 1 | |||||||||||
| 2019 | 1 |
What is stocked
| Species | Stockings | Fish | Fish per stocking |
|---|---|---|---|
| Rainbow trout | 10 | 32,906 | 3,291 |
| Cutthroat trout | 4 | 238 | 60 |
Stocking history
20262 stockings · 2,762 fish
| Date | Species | Fish | Since previous | Hatchery |
|---|---|---|---|---|
Apr 22Latest Wednesday | Rainbow trout | 2,700 1,500 lb | 19 days | Arlington Hatchery |
Apr 3 Friday | Cutthroat trout | 62 | 354 days | Post Ms (Arlington) |
20252 stockings · 3,019 fish
| Date | Species | Fish | Since previous | Hatchery |
|---|---|---|---|---|
Apr 14 Monday | Rainbow trout | 3,000 1,250 lb | 10 days | Whitehorse Pond |
Apr 4 Friday | Cutthroat trout | 19 | 344 days | Post Ms (Arlington) |
20242 stockings · 3,098 fish
| Date | Species | Fish | Since previous | Hatchery |
|---|---|---|---|---|
Apr 25 Thursday | Rainbow trout | 3,080 1,400 lb | 55 days | Arlington Hatchery |
Mar 1 Friday | Cutthroat trout | 18 | 317 days | Post Ms (Arlington) |
20232 stockings · 3,139 fish
- Apr 19 rainbow trout, 3,000 fish
- Mar 3 cutthroat trout, 139 fish
20221 stocking · 3,064 fish
- Apr 19 rainbow trout, 3,064 fish
20211 stocking · 3,000 fish
- Apr 22 rainbow trout, 3,000 fish
20201 stocking · 3,025 fish
- May 4 rainbow trout, 3,025 fish
20191 stocking · 4,037 fish
- Apr 23 rainbow trout, 4,037 fish
20181 stocking · 4,000 fish
- Apr 24 rainbow trout, 4,000 fish
20171 stocking · 4,000 fish
- Apr 18 rainbow trout, 4,000 fish
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. Seasons and limits: Washington fishing regulations.
Where is Lake Armstrong?
Snohomish County, Washington. Approximate: the marker is the USGS place-name point for this water, not an agency location.
Stocked waters near Lake Armstrong
- Lake Mcmurraylake · 8 mistocked Apr 22, 2026
- Riley Lakelake · 8 mistocked Apr 22, 2026
- Lake Kilake · 8 mistocked Apr 23, 2026
- Lake Cavanaughlake · 8 mistocked Sep 9, 2026
- Lake Lomalake · 9 mistocked Apr 29, 2026
- Crabapple Lakelake · 9 mistocked May 20, 2026
- Lake Goodwinlake · 10 mistocked Oct 13, 2026
- Lake Shoecraftlake · 11 mistocked Mar 24, 2026
All stocked waters in Snohomish CountyStocked this week in Washington
Questions about Lake Armstrong
- When was Lake Armstrong last stocked?
- The latest reported stocking was Apr 22, 2026 (rainbow trout, 2,700 fish), according to Washington agency reports.
- How often is Lake Armstrong stocked?
- It was stocked 2 times in the last 12 months. Across all years on record, most stockings come in April.
- Is Lake Armstrong stocked often?
- Number 19 of 127 stocked waters in Snohomish County by stocking days. Stocked more often than 73% of Washington waters on our record. We count each day the agency reported stocking it.
- What kind of trout are stocked in Lake Armstrong?
- Rainbow trout (10 stockings, 32,906 fish); Cutthroat trout (4 stockings, 238 fish).