Jefferson Slough Fishing Report

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Last Updated: December 4, 2025

Jefferson Slough is a popular fishing spot in Montana, known for its abundant fish species such as rainbow, brown, and cutthroat trout, as well as northern pike and smallmouth bass.


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Summary

Nearby activities include hiking, camping, and river rafting. Fishing tips include using flies, spinners, and bait to catch fish. The best time to visit is during the summer months, between June and August, with an average temperature of 75°F. However, spring and fall can also be good times to fish, with cooler temperatures and less crowded conditions.

       

Weather Forecast

Angling Safety Guidelines

Know the Regulations
Check local fishing rules, seasons, size limits, and license requirements to ensure legal and sustainable angling.
Handle Fish Responsibly
Use wet hands, minimize air exposure, and release fish gently to improve survival rates when practicing catch-and-release.
Choose the Right Gear
Match your rod, line, and tackle to the species and conditions to increase success and reduce unnecessary harm to fish.
Respect the Waterway
Avoid disturbing habitat, prevent bank erosion, and keep a safe distance from spawning areas to protect ecosystems.
Keep It Clean
Pack out all line, hooks, bait containers, and trash—discarded gear can injure wildlife and degrade waterways.

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