Flowcast weekly river report

October 24, 2026 · data as of Oct 24, 2:37 PM PDT · 129 USGS gauges in Oregon, Washington, Idaho and Montana

This week at a glance

74 of 129 gauges are Fishable/Floatable (normal range for the date).

3 High but doable · 2 Use caution · 0 Blown out · 50 Too low

The median gauge sits at the 17th percentile for the date (50th would be typical).

Best bets right now

Currently Fishable/Floatable, ranked by days in range over the last 7 days, then by closeness to the seasonal median.

• Bitterroot River near Missoula, MT: 899 cfs, in the normal range for this time of year, steady; 7 of the last 7 days in range
• Clark Fork near Plains, MT: 10,200 cfs, in the normal range for this time of year, steady; 7 of the last 7 days in range
• McKenzie River below Leaburg Dam, near Leaburg, OR: 1,640 cfs, in the normal range for this time of year, steady; 7 of the last 7 days in range
• Gallatin River at Logan, MT: 756 cfs, in the normal range for this time of year, rising; 7 of the last 7 days in range
• Gallatin River near Gallatin Gateway, MT: 419 cfs, in the normal range for this time of year, steady; 7 of the last 7 days in range

…and 69 more on the full table.

Blown out or high

• Use caution Big Hole River below Big Lake Creek, at Wisdom, MT: 308 cfs, >99th percentile for the date
• Use caution Rock Creek near Clinton, MT: 480 cfs, 98th percentile for the date

Too low

• Nooksack River at Ferndale, WA: 405 cfs vs. a typical 2,435 cfs for the date (<1st percentile)
• Cascade River at Marblemount, WA: 150 cfs vs. a typical 586 cfs for the date (<1st percentile)
• Dungeness River near Sequim, WA: 60.4 cfs vs. a typical 167 cfs for the date (<1st percentile)
• Sandy River near Marmot, OR: 198 cfs vs. a typical 475 cfs for the date (<1st percentile)
• Sauk River near Sauk, WA: 634 cfs vs. a typical 2,355 cfs for the date (<1st percentile)

…and 45 more gauges are Too low; see the full table.

Notable changes since last week

• Big Hole River below Big Lake Creek, at Wisdom: Fishable/Floatable → Use caution (72.1 → 308 cfs; 57th → >99th percentile for the date)
• Rock Creek near Clinton: Fishable/Floatable → Use caution (260 → 480 cfs; 61st → 98th percentile for the date)
• Umpqua River near Elkton: Fishable/Floatable → Too low (973 → 962 cfs; 12th → 8th percentile for the date)
• Nehalem River near Foss: Fishable/Floatable → Too low (92.8 → 90.4 cfs; 10th → 5th percentile for the date)
• John Day River at McDonald Ferry: Fishable/Floatable → Too low (190 → 210 cfs; 13th → 10th percentile for the date)
• Grande Ronde River at Troy: Too low → Fishable/Floatable (583 → 719 cfs; 9th → 28th percentile for the date)
• Hoh River at US Highway 101, near Forks: Fishable/Floatable → Too low (575 → 305 cfs; 19th → 2nd percentile for the date)
• Cowlitz River at Packwood: Fishable/Floatable → Too low (268 → 242 cfs; 11th → 5th percentile for the date)
• Biggest rise: Big Hole River below Big Lake Creek, at Wisdom 72.1 → 308 cfs (+327%)
• Biggest rise: Walla Walla River near Touchet 33.2 → 81.5 cfs (+145%)
• Biggest rise: Rock Creek near Clinton 260 → 480 cfs (+85%)
• Biggest drop: Cascade River at Marblemount 284 → 150 cfs (-47%)
• Biggest drop: Hoh River at US Highway 101, near Forks 575 → 305 cfs (-47%)
• Biggest drop: Snake River near Irwin 2,590 → 1,420 cfs (-45%)

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How to read this: statuses compare each gauge's current USGS discharge with that same gauge's own daily history for this time of year. They are not safety ratings. Data from USGS, provisional and subject to revision. Check local conditions, regulations and weather before you go. Methodology.