Fishable right now
| # | River | Right now | Flow (cfs) |
|---|---|---|---|
| 1 | Colorado River at Lees Ferry Arizona | 85 · Prime | 8,040 cfs ✓ |
| 2 | Fryingpan River Colorado | 85 · Prime | 109 cfs ✓ |
| 3 | Green River Utah | 85 · Prime | 1,100 cfs ✓ |
| 4 | Madison River Montana | 85 · Prime | 934 cfs ✓ |
| 5 | Missouri River Montana | 85 · Prime | 3,100 cfs ✓ |
| 6 | San Juan River New Mexico | 85 · Prime | 521 cfs ✓ |
| 7 | Gallatin River Montana | 60 · Prime | 959 cfs ✓ |
| 8 | Bighorn River Montana | 34 · Low | 1,490 cfs |
Plan your trip
Hardly anyone books a guided day the morning of. The real decision — which river, which week, which guide — is made weeks ahead. Here's the outlook for planning it.
Next 7 days — top rivers in shape now
Colorado River at Lees Ferry Arizona · prime 8,000–14,000 cfs
Mon 5 AM 85
Tue 5 AM 83
Wed 5 AM 80
Thu 5 AM 75
Fri 5 AM 69
Sat 5 AM 64
Sun 5 AM 61
Fryingpan River Colorado · prime 100–250 cfs
Mon 5 AM 85
Tue 5 AM 83
Wed 5 AM 80
Thu 5 AM 75
Fri 5 AM 69
Sat 5 AM 64
Sun 5 AM 61
Green River Utah · prime 800–2,600 cfs
Mon 5 AM 85
Tue 5 AM 83
Wed 5 AM 80
Thu 5 AM 75
Fri 5 AM 69
Sat 5 AM 64
Sun 5 AM 61
Best months to fish
Most anglers plan a season ahead. These are the peak months on each river — when flows settle into the prime band and the hatches line up. Pick a river and the month the odds are real.
Madison River Sep, Oct, Jul, Aug Bighorn River Oct, Nov, Mar, Apr Missouri River Sep, Oct, Apr, Jun Gallatin River Jul, Aug, Sep, Oct Green River Sep, Oct, Apr, May San Juan River Oct, Nov, Jan, Feb Colorado River at Lees Ferry Nov, Dec, Mar, Apr Fryingpan River Sep, Oct, Nov, Jul
Browse every best-month guide →
All rivers
Pick a river for its live flow, the 7-day bite outlook, the best month to fish, and guided trips to book.
Colorado River at Lees Ferry Arizona · Prime (85) Fryingpan River Colorado · Prime (85) Green River Utah · Prime (85) Madison River Montana · Prime (85) Missouri River Montana · Prime (85) San Juan River New Mexico · Prime (85) Gallatin River Montana · Prime (60) Bighorn River Montana · Low (34)
Odds are a probabilistic read from live USGS streamflow, each river's published fishable-flow band, the season, and a moon/solunar model — not a guarantee. Flow and weather change fast; a local guide and a current flow check are still your best edge. How fishing forecasts work · our method & sources.