Fishing Report
Thirtymile Reservoir Fishing Report
Harlem, MT
Modeled from National Weather Service data, plus solunar and sun/moon times computed in-house. This is a computed report, not an eyewitness catch report.
48.522007, -108.749526
Est. water temp
78.7°F
v1 estimate from air temperature — not a sensor reading
Species on record
No species on record yet for this lake.
Location
Thirtymile Reservoir · 48.5220, -108.7495
Map data © OpenFreeMap, OpenMapTiles, OpenStreetMap contributors
Nearby
Other lakes nearby
FAQ
Common questions
What fish are in Thirtymile Reservoir?
No fish species have been recorded for Thirtymile Reservoir yet. Check the live conditions to plan a trip on the surrounding water.
When's the best time to fish Thirtymile Reservoir?
No species are modeled for Thirtymile Reservoir yet, so there's no species-specific feeding window to name. The score still gives the light window 25% of its total, an input Bitespan grades "Well supported". Check today's bite forecast for Thirtymile Reservoir to see the best window for current conditions.
Where is Thirtymile Reservoir?
Thirtymile Reservoir is near Harlem, MT, at 48.5220, -108.7495.
Plan your trip to Thirtymile Reservoir
Get the hour-by-hour bite forecast and the best times to fish Thirtymile Reservoir, scored against live National Weather Service weather for this exact spot — showing what every input contributed and how well the evidence supports it.