Snoqualmie River near Carnation, WA
North Cascades & Puget Sound · USGS gauge 12149000 · Updated Oct 24, 2:37 PM PDT · USGS data, provisional
All 2 Snoqualmie River gauges in Washington
Reading time: Oct 24, 2:15 PM PDT · Provisional data
Flow is far below normal for the date. Expect shallow riffles and slower water; some stretches may be hard to float and fish can be stressed by low flows. Check local reports for the specific stretch.
- Vs. normal for this date
- 2nd percentile
- Typical range (25th–75th)
- 1,210–3,930 cfs
- Median for this date
- 2,100 cfs
- 7-day low / high
- 451 / 697 cfs
Plain-language explanation
Snoqualmie River near Carnation is flowing at 451 cubic feet per second (cfs) as of Oct 24, 2:15 PM PDT. That is among the lowest flows on record for this time of year: lower than about 98% of the daily flows this gauge has recorded for this date (give or take 7 days) over 98 years of record (1929–2026).
The middle half of those historical flows runs from 1,210 to 3,930 cfs, with a median of 2,100 cfs; the lowest 10% of days are at or below 726 cfs and the highest 10% at or above 6,639 cfs.
Over the last 24 hours the flow has been steady (-7.0%). In the last 7 days it ranged from 451 to 697 cfs.
Why this status: Flow is at or below the seasonal 10th percentile and in the lower 40% of all days on record.
Quick answers
Is the Snoqualmie River near Carnation fishable today?
Flowcast's status for the Snoqualmie River near Carnation is “Too low”: flow is 451 cfs, well below normal for the date, at the 2nd percentile for this date (as of Oct 24, 2:15 PM PDT). That describes flow only. It says nothing about water clarity, temperature, fish activity, access or fishing regulations.
What is the current flow of the Snoqualmie River near Carnation?
451 cubic feet per second at USGS gauge 12149000 as of Oct 24, 2:15 PM PDT, provisional data.
Is the Snoqualmie River near Carnation too high or too low right now?
It is on the low side: below the typical range for the date (1,210 to 3,930 cfs).
Is the Snoqualmie River near Carnation rising or falling?
Over the last 24 hours the flow has been steady (-7.0%).
What is a normal flow for the Snoqualmie River near Carnation in October?
For this date (give or take 7 days) the median is 2,100 cfs and the middle half of days runs 1,210 to 3,930 cfs, over 98 years of USGS record.
7-day trend
Hourly flow in cfs, Pacific time. The shaded band is the typical range (25th–75th percentile) for this date, shown when it falls within the chart.
| Day (Pacific) | Mean cfs | Percentile | Status that day |
|---|---|---|---|
| Sun Oct 18 | 673 | 13th | Fishable/Floatable |
| Mon Oct 19 | 627 | 10th | Too low |
| Tue Oct 20 | 574 | 7th | Too low |
| Wed Oct 21 | 538 | 5th | Too low |
| Thu Oct 22 | 512 | 3rd | Too low |
| Fri Oct 23 | 493 | 2nd | Too low |
| Sat Oct 24 (so far) | 481 | 2nd | Too low |
Seasonal context
Shaded band: 10th–90th percentile of daily flows through the year; dashed line: median. Log scale. Dot: today's flow. Based on 98 years of USGS daily data (1929–2026).
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Official resources
- USGS site page for gauge 12149000 (USGS: live readings, history, station details)
- Washington fishing regulations (WDFW)
- Emergency fishing rule changes (WDFW)
- WDFW fishing and stocking reports
Links go to the agencies' own websites and were checked as working. Flowcast does not summarize fishing or boating rules: regulations and closures change, and the agency pages are the authority.
About this gauge
- USGS site
- USGS-12149000
- USGS name
- Snoqualmie River Near Carnation, Wa
- Drainage area
- 603 sq mi
- Location
- 47.6659, -121.9254
- Record in this analysis
- 1929–2026
Typical uses
Notes: Rain-driven lower river; can rise quickly in fall and winter storms. (Hand-written general note, not from USGS data.)
Nearby gauges
- Snoqualmie River near Snoqualmie, WA Too low 376 cfs · about 9 mi away (straight line)
- Skykomish River near Gold Bar, WA Too low 398 cfs · about 17 mi away (straight line)
- Cedar River near Landsburg, WA Fishable/Floatable 359 cfs · about 19 mi away (straight line)
- Green River near Auburn, WA Fishable/Floatable 419 cfs · about 28 mi away (straight line)
- Puyallup River at Puyallup, WA Too low 757 cfs · about 37 mi away (straight line)
- North Fork Stillaguamish River near Arlington, WA Too low 177 cfs · about 42 mi away (straight line)
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