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 | 82 · Prime | 126 cfs ✓ |
| 2 | Fryingpan River Colorado | 82 · Prime | 117 cfs ✓ |
| 3 | Gallatin River Montana | 82 · Prime | 666 cfs ✓ |
| 4 | Green River Utah | 82 · Prime | 2,180 cfs ✓ |
| 5 | Missouri River Montana | 82 · Prime | 3,110 cfs ✓ |
| 6 | Provo River Utah | 82 · Prime | 314 cfs ✓ |
| 7 | Roaring Fork River Colorado | 82 · Prime | 717 cfs ✓ |
| 8 | Truckee River California / Nevada | 82 · Prime | 396 cfs ✓ |
| 9 | Farmington River Connecticut | 73 · Fishable | 148 cfs |
| 10 | Deschutes River Oregon | 67 · Fishable | 3,640 cfs |
| 11 | Yellowstone River Montana | 63 · Fishable | 1,760 cfs |
| 12 | Yakima River Washington | 62 · Fishable | 813 cfs |
| 13 | Yampa River Colorado | 61 · Fishable | 145 cfs |
| 14 | Big Hole River Montana | 59 · Fishable | 464 cfs |
| 15 | Madison River Montana | 59 · Fishable | 707 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
Thu 7 AM 82
Fri 7 AM 76
Sat 7 AM 72
Sun 7 AM 70
Mon 7 AM 71
Tue 7 AM 74
Wed 7 AM 79
Fryingpan River Colorado · prime 100–250 cfs
Thu 7 AM 82
Fri 7 AM 76
Sat 7 AM 72
Sun 7 AM 70
Mon 7 AM 71
Tue 7 AM 74
Wed 7 AM 79
Gallatin River Montana · prime 400–1,000 cfs
Thu 7 AM 82
Fri 7 AM 76
Sat 7 AM 72
Sun 7 AM 70
Mon 7 AM 71
Tue 7 AM 74
Wed 7 AM 79
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 (82) Fryingpan River Colorado · Prime (82) Gallatin River Montana · Prime (82) Green River Utah · Prime (82) Missouri River Montana · Prime (82) Provo River Utah · Prime (82) Roaring Fork River Colorado · Prime (82) Truckee River California / Nevada · Prime (82) Farmington River Connecticut · Fishable (73) Deschutes River Oregon · Fishable (67) Yellowstone River Montana · Fishable (63) Yakima River Washington · Fishable (62) Yampa River Colorado · Fishable (61) Big Hole River Montana · Fishable (59) Madison River Montana · Fishable (59) South Fork of the Snake River Idaho · Fishable (57) Beaverkill River New York · Fishable (54) South Platte River Colorado · Fishable (53) Snake River (Jackson Hole) Wyoming · Fishable (51) West Branch Delaware River New York · Fishable (51) Bighorn River Montana · Fishable (49) Blackfoot River Montana · Fishable (46) Owyhee River Oregon · Fishable (35) Colorado River at Lees Ferry Arizona · Low (31) Taylor River Colorado · Fishable (29) San Juan River New Mexico · Low (28) Beaverhead River Montana · Low (20) Henry's Fork Idaho · Low (12) Weber River Utah · Low (9) 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.