Fishing Report
Kosier Reservoir Fishing Report
Roy, 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.
47.404798, -108.638839
Est. water temp
77.9°F
v1 estimate from air temperature — not a sensor reading
Species on record
No species on record yet for this lake.
Location
Kosier Reservoir · 47.4048, -108.6388
Map data © OpenFreeMap, OpenMapTiles, OpenStreetMap contributors
Nearby
Other lakes nearby
FAQ
Common questions
What fish are in Kosier Reservoir?
No fish species have been recorded for Kosier Reservoir yet. Check the live conditions to plan a trip on the surrounding water.
When's the best time to fish Kosier Reservoir?
No species are modeled for Kosier 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 Kosier Reservoir to see the best window for current conditions.
Where is Kosier Reservoir?
Kosier Reservoir is near Roy, MT, at 47.4048, -108.6388.
Plan your trip to Kosier Reservoir
Get the hour-by-hour bite forecast and the best times to fish Kosier Reservoir, scored against live National Weather Service weather for this exact spot — showing what every input contributed and how well the evidence supports it.