TroutNearMe

Harpers Lake trout stocking

Missoula County, Montana · lake · 3,830 ft elevation

Harpers Lake was last stocked 10 days ago (Oct 30, 2026). We have 29 stockings on record since Apr 2, 2025, 15 in the last 12 months (3,921 fish). Most stockings come in April, June to July and November. Species stocked: rainbow trout, westslope cutthroat trout.

Last stocked
10 days ago
Oct 30, 2026
Next planned
Not announced
Last 12 months
15 stockings
3,921 fish
On record
29 stockings
since Apr 2, 2025
  • The most stocked water in Missoula County (29 stocking days on record).
  • Stocked more often than 100% of Montana waters on our record.

Weather at Harpers Lake

  • Tonight
    26°F
    Mostly Cloudy then Areas Of Fog
    5% rain · wind 0 to 3 mph
  • Monday
    49°F
    Patchy Fog then Mostly Cloudy
    12% rain · wind 2 mph
  • Monday Night
    30°F
    Areas Of Fog
    64% rain · wind 0 to 3 mph
  • Tuesday
    49°F
    Slight Chance Light Rain then Mostly Cloudy
    17% rain · wind 3 to 9 mph
  • Tuesday Night
    29°F
    Areas Of Fog
    1% rain · wind 0 to 5 mph
  • Veterans Day
    54°F
    Areas Of Fog then Partly Sunny
    wind 1 mph

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

When is Harpers Lake stocked?

Most stockings come in April, June to July and November. Stocked 10 times in 2026, mostly in June, usually on Fridays, about every 11 days.

By month, all years

JanFebMar: 2 stockings2MarApr: 5 stockings5AprMay: 1 stocking1MayJun: 6 stockings6JunJul: 5 stockings5JulAugSepOct: 3 stockings3OctNov: 4 stockings4NovDec: 3 stockings3Dec
Stockings of Harpers Lake by month, all years on record. This month is shown in blue.

Year by year

JanFebMarAprMayJunJulAugSepOctNovDec
20262341
20252125243

What is stocked

SpeciesStockingsFishFish per stockingTypical size
Rainbow trout278,39131116.3 in
Westslope cutthroat trout21,00050012.6 in

Stocking history

202610 stockings · 3,534 fish
DateSpeciesFishSizeSince previousHatchery
Oct 30Latest
Friday · 10 days ago
Rainbow trout
150
20.8 in122 daysJocko River Trout Hatchery
Jun 30
Tuesday
Rainbow trout
1,008
8.8 in11 daysJocko River Trout Hatchery
Jun 19
Friday
Rainbow trout
520
10.8 in1 weekJocko River Trout Hatchery
Jun 12
Friday
Westslope cutthroat trout
500
12.1 in3 daysWashoe Park Trout Hatchery
Jun 9
Tuesday
Rainbow trout
660
10.4 in6 weeksJocko River Trout Hatchery
Apr 28
Tuesday
Rainbow trout
201
16.3 in1 dayJocko River Trout Hatchery
Apr 27
Monday
Rainbow trout
200
16.3 in10 daysJocko River Trout Hatchery
Apr 17
Friday
Rainbow trout
200
13.7 in25 daysJocko River Trout Hatchery
Mar 23
Monday
Rainbow trout
50
26.3 in12 daysJocko River Trout Hatchery
Mar 11
Wednesday
Rainbow trout
45
26.3 in90 daysJocko River Trout Hatchery
202519 stockings · 5,857 fish
DateSpeciesFishSizeSince previousHatchery
Dec 11
Thursday
Rainbow trout
99
20.8 in3 daysJocko River Trout Hatchery
Dec 8
Monday
Rainbow trout
110
22.6 in1 weekJocko River Trout Hatchery
Dec 1
Monday
Rainbow trout
45
26.3 in6 daysJocko River Trout Hatchery
Nov 25
Tuesday
Rainbow trout
58
23.5 in15 daysJocko River Trout Hatchery
Nov 10
Monday
Rainbow trout
75
20.8 in3 daysJocko River Trout Hatchery
Nov 7
Friday
Rainbow trout
75
20.8 in1 dayJocko River Trout Hatchery
Nov 6
Thursday
Rainbow trout
75
20.8 in1 weekJocko River Trout Hatchery
Oct 30
Thursday
Rainbow trout
57
23.5 in3 daysJocko River Trout Hatchery
Oct 27
Monday
Rainbow trout
622
13.5 in109 daysJocko River Trout Hatchery
Jul 10
Thursday
Rainbow trout
223
12.2 in1 dayJocko River Trout Hatchery
Jul 9
Wednesday
Rainbow trout
318
16.1 in1 dayJocko River Trout Hatchery
Jul 8
Tuesday
Rainbow trout
1,022
8.4 in6 daysJocko River Trout Hatchery
Jul 2
Wednesday
Rainbow trout
1,067
8.1 in1 dayJocko River Trout Hatchery
Jul 1
Tuesday
Westslope cutthroat trout
500
12.6 in2 weeksWashoe Park Trout Hatchery
Jun 17
Tuesday
Rainbow trout
159
16.1 in13 daysJocko River Trout Hatchery
Jun 4
Wednesday
Rainbow trout
437
13.4 in8 daysJocko River Trout Hatchery
May 27
Tuesday
Rainbow trout
654
10.5 in47 daysJocko River Trout Hatchery
Apr 10
Thursday
Rainbow trout
223
20.4 in8 daysJocko River Trout Hatchery
Apr 2
Wednesday
Rainbow trout
38
26.0 inJocko River Trout Hatchery

From Montana 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: Montana fishing regulations.

Where is Harpers Lake?

Missoula County, Montana. The marker is the agency's location for this water; streams are often stocked at several access points.

DirectionsLarger mapMontana fishing regulations

Stocked waters near Harpers Lake

All stocked waters in Missoula CountyStocked this week in Montana

Questions about Harpers Lake

When was Harpers Lake last stocked?
The latest reported stocking was Oct 30, 2026 (rainbow trout, 150 fish), according to Montana agency reports.
How often is Harpers Lake stocked?
Stocked 10 times in 2026, mostly in June, usually on Fridays, about every 11 days. Across all years on record, most stockings come in April, June to July and November.
Is Harpers Lake stocked often?
The most stocked water in Missoula County (29 stocking days on record). Stocked more often than 100% of Montana waters on our record. We count each day the agency reported stocking it.
What kind of trout are stocked in Harpers Lake?
Rainbow trout (27 stockings, 8,391 fish); Westslope cutthroat trout (2 stockings, 1,000 fish).