Weather data by Open-Meteo.com (CC BY 4.0). Index scores and water-temperature estimates are our own derivation from that data.
How to read this state page
The score on each city card is computed from the local weather forecast for today. Open a city page for the full seven-day outlook, factor breakdown and recommended windows. Fishing rules in Montana vary by water type and season, so always check the current regulations before you go.
Seasonally, Montana's strongest month across 2 years of recorded weather at Missoula is August — 82% of its days rate Good or better — and January is the weakest at 10%. That is roughly 149 good days a year. See the season report for the best time of year to fish in Montana and every other state's month-by-month table.
Montana's blue-ribbon trout rivers are famous worldwide, with hatch timing and water temperature controlling the best dry-fly windows. Use the city page below for a live weather-based index, then check the Montana wildlife agency for seasons and limits.
Do I need a license to fish in Montana?
Yes, anglers 16 and older need a Montana fishing license. Buy through the Montana state wildlife or natural-resources agency; rules can differ between freshwater and tidal water.
The LureScore index is an informational planning signal based on weather, not a guarantee of fish activity or a catch. Always follow local regulations.