Some river gages are refreshing — a few flows below may be a little behind. We never show a number we can't currently verify.
Fishable right now
| # | River | Right now | Flow (cfs) |
|---|---|---|---|
| 1 | Eagle River Colorado | 76 · Prime | 136 cfs ✓ |
| 2 | Gallatin River Montana | 76 · Prime | 635 cfs ✓ |
| 3 | Green River Utah | 76 · Prime | 2,170 cfs ✓ |
| 4 | Provo River Utah | 76 · Prime | 308 cfs ✓ |
| 5 | Truckee River California / Nevada | 76 · Prime | 396 cfs ✓ |
| 6 | Farmington River Connecticut | 68 · Fishable | 148 cfs |
| 7 | Missouri River Montana | 65 · Fishable | 2,930 cfs |
| 8 | Deschutes River Oregon | 62 · Fishable | 3,620 cfs |
| 9 | Yakima River Washington | 59 · Fishable | 842 cfs |
| 10 | Roaring Fork River Colorado | 57 · Fishable | 584 cfs |
| 11 | Big Hole River Montana | 56 · Fishable | 477 cfs |
| 12 | Yellowstone River Montana | 56 · Fishable | 1,700 cfs |
| 13 | Madison River Montana | 55 · Fishable | 707 cfs |
| 14 | Fryingpan River Colorado | 50 · Fishable | 76 cfs |
| 15 | South Platte River Colorado | 50 · Fishable | 107 cfs |
Plan your trip
The flow outlook and the best months to fish each river — so you can pick your week and book a guide for it.
Next 7 days — top rivers in shape now
Eagle River Colorado · prime 100–500 cfs
Fri 7 AM 76
Sat 7 AM 72
Sun 7 AM 70
Mon 7 AM 71
Tue 7 AM 74
Wed 7 AM 79
Thu 7 AM 85
Gallatin River Montana · prime 400–1,000 cfs
Fri 7 AM 76
Sat 7 AM 72
Sun 7 AM 70
Mon 7 AM 71
Tue 7 AM 74
Wed 7 AM 79
Thu 7 AM 85
Green River Utah · prime 800–2,600 cfs
Fri 7 AM 76
Sat 7 AM 72
Sun 7 AM 70
Mon 7 AM 71
Tue 7 AM 74
Wed 7 AM 79
Thu 7 AM 85
Best months to fish
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, then book a guide for your dates.
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 Yellowstone River Sep, Oct, Aug, Jul Big Hole River Jul, Sep, Jun, Aug
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.
Eagle River Colorado · Prime (76) Gallatin River Montana · Prime (76) Green River Utah · Prime (76) Provo River Utah · Prime (76) Truckee River California / Nevada · Prime (76) Farmington River Connecticut · Fishable (68) Missouri River Montana · Fishable (65) Deschutes River Oregon · Fishable (62) Yakima River Washington · Fishable (59) Roaring Fork River Colorado · Fishable (57) Big Hole River Montana · Fishable (56) Yellowstone River Montana · Fishable (56) Madison River Montana · Fishable (55) Fryingpan River Colorado · Fishable (50) South Platte River Colorado · Fishable (50) Yampa River Colorado · Fishable (49) Beaverkill River New York · Fishable (47) Snake River (Jackson Hole) Wyoming · Fishable (47) South Fork of the Snake River Idaho · Fishable (47) West Branch Delaware River New York · Fishable (45) Blackfoot River Montana · Fishable (42) Bighorn River Montana · Fishable (41) Owyhee River Oregon · Fishable (33) Colorado River at Lees Ferry Arizona · Low (28) Taylor River Colorado · Fishable (27) San Juan River New Mexico · Low (26) Beaverhead River Montana · Low (19) Henry's Fork Idaho · Low (11) Weber River Utah · Low (8) Arkansas River Colorado · Flow updating
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.