Riley Lake trout stocking
Snohomish County, Washington · lake · about 523 ft elevation
Riley Lake was last stocked 7 months ago (Apr 22, 2026). We have 10 stockings on record since Apr 20, 2017, 1 in the last 12 months (2,700 fish). Most stockings come in April. Species stocked: rainbow trout.
- Number 23 of 127 stocked waters in Snohomish County by stocking days.
- Stocked about as often as a typical Washington water on our record.
River conditions
Nearest USGS gage: NF STILLAGUAMISH RIVER NEAR ARLINGTON, WA (8 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 Riley Lake
- This Afternoon63°FSlight Chance Light Rain21% rain · wind 6 mph
- Tonight44°FLight Rain97% rain · wind 2 to 12 mph
- Thursday56°FSlight Chance Light Rain then Partly Sunny18% rain · wind 1 to 5 mph
- Thursday Night42°FMostly Cloudy then Light Rain76% rain · wind 3 to 9 mph
- Friday56°FLight Rain96% rain · wind 7 to 10 mph
- Friday Night46°FLight Rain78% rain · wind 6 to 9 mph
Forecast from the National Weather Service for this location, refreshed hourly.
When is Riley Lake 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 | 1 | |||||||||||
| 2025 | 1 | |||||||||||
| 2024 | 1 | |||||||||||
| 2023 | 1 | |||||||||||
| 2022 | 1 | |||||||||||
| 2021 | 1 | |||||||||||
| 2020 | 1 | |||||||||||
| 2019 | 1 |
What is stocked
| Species | Stockings | Fish | Fish per stocking |
|---|---|---|---|
| Rainbow trout | 10 | 31,755 | 3,176 |
Stocking history
20261 stocking · 2,700 fish
| Date | Species | Fish | Since previous | Hatchery |
|---|---|---|---|---|
Apr 22Latest Wednesday | Rainbow trout | 2,700 1,500 lb | 52 weeks | Arlington Hatchery |
20251 stocking · 2,992 fish
| Date | Species | Fish | Since previous | Hatchery |
|---|---|---|---|---|
Apr 23 Wednesday | Rainbow trout | 2,992 1,360 lb | 52 weeks | Arlington Hatchery |
20241 stocking · 3,124 fish
| Date | Species | Fish | Since previous | Hatchery |
|---|---|---|---|---|
Apr 24 Wednesday | Rainbow trout | 3,124 1,420 lb | 372 days | Arlington Hatchery |
20231 stocking · 3,000 fish
- Apr 18 rainbow trout, 3,000 fish
20221 stocking · 3,152 fish
- Apr 19 rainbow trout, 3,152 fish
20211 stocking · 3,036 fish
- Apr 16 rainbow trout, 3,036 fish
20201 stocking · 3,171 fish
- May 3 rainbow trout, 3,171 fish
20191 stocking · 3,530 fish
- Apr 23 rainbow trout, 3,530 fish
20181 stocking · 3,500 fish
- Apr 25 rainbow trout, 3,500 fish
20171 stocking · 3,550 fish
- Apr 20 rainbow trout, 3,550 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 Riley Lake?
Snohomish County, Washington. Approximate: the marker is the USGS place-name point for this water, not an agency location.
Stocked waters near Riley Lake
- Lake Cavanaughlake · 6 mistocked Sep 9, 2026
- Lake Armstronglake · 8 mistocked Apr 22, 2026
- Saddle Lakelake · 10 mistocked Aug 18, 2025
- Fortson Ponds (1)pond · 10 mistocked Apr 21, 2017
- Fortson Ponds (2)pond · 10 mistocked Apr 24, 2026
- Shelf Lakelake · 11 mistocked Jul 23, 2025
- Campbell Creekstream · 11 mistocked Oct 15, 2018
- Gordon Lakelake · 12 mistocked Jul 6, 2024
All stocked waters in Snohomish CountyStocked this week in Washington
Questions about Riley Lake
- When was Riley Lake last stocked?
- The latest reported stocking was Apr 22, 2026 (rainbow trout, 2,700 fish), according to Washington agency reports.
- How often is Riley Lake stocked?
- It was stocked once in the last 12 months. Across all years on record, most stockings come in April.
- Is Riley Lake stocked often?
- Number 23 of 127 stocked waters in Snohomish County by stocking days. Stocked about as often as a typical Washington water on our record. We count each day the agency reported stocking it.
- What kind of trout are stocked in Riley Lake?
- Rainbow trout (10 stockings, 31,755 fish).