Rivers in Washington
Snoqualmie River near Carnation
Below flood stage
44.49ftStage
Observed Tue, Sep 22, 2:15 PM PDT
- Flood stage
- 54.00 ft
- Forecast crest
- 44.93 ftWed, Sep 30, 11:00 PM PDT
- Record crest
- 62.21 ft2009
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 58.00 ft |
| Moderate flood | 56.00 ft |
| Minor flood | 54.00 ft |
| Action | 50.70 ft |
- 60.00 ftthe Snoqualmie River will cause severe near record flooding from Fall City downstream through Carnation and Duvall. Deep and swift flood waters will inundate many farms...residential areas...and roads. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Snoqualmie River Basin.
- 58.00 ftthe Snoqualmie River will cause major flooding from Fall City downstream through Carnation and Duvall. Deep and swift flood waters will inundate many farms...residential areas...and roads. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Snoqualmie River Basin.
- 56.00 ftthe Snoqualmie River will cause widespread flooding from Fall City downstream through Carnation and Duvall...inundating much of the farm land and numerous roads.
- 54.00 ftthe Snoqualmie River will flood much of the farm land and several roads from Fall City downstream through Carnation and Duvall.
- 51.00 ftthe Snoqualmie River will spill over its banks from Fall City downstream through Carnation and Duvall...with shallow water over some farm land and several roads.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | 57% |
| Moderate flooding | 43% |
| Major flooding | 23% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 22, 2026.
Crest history
216 crests on NOAA’s list since 1931.
| # | Date | Stage |
|---|---|---|
| 1 | January 8, 2009 | 62.21 ft |
| 2 | December 11, 2025 | 60.76 ft |
| 3 | December 11, 2025 | 60.76 ft |
| 4 | November 24, 1990 | 60.70 ft |
| 5 | November 12, 2008 | 60.49 ft |
| 6 | February 9, 1996 | 60.34 ft |
| 7 | November 29, 1995 | 60.30 ft |
| 8 | November 13, 1932 | 59.93 ft |
| 9 | November 24, 1986 | 59.89 ft |
| 10 | February 27, 1932 | 59.88 ft |
| 11 | December 9, 2015 | 59.78 ft |
| 12 | November 10, 1990 | 59.48 ft |
| 13 | December 3, 1975 | 59.39 ft |
| 14 | January 17, 2011 | 59.32 ft |
| 15 | January 6, 2015 | 59.26 ft |
| 16 | January 6, 2015 | 59.24 ft |
| 17 | February 10, 1951 | 59.18 ft |
| 18 | March 2, 2022 | 59.14 ft |
| 19 | January 19, 2005 | 59.08 ft |
| 20 | January 10, 1990 | 59.06 ft |
| 21 | November 23, 1959 | 58.93 ft |
| 22 | December 15, 1959 | 58.91 ft |
| 23 | January 18, 1975 | 58.90 ft |
| 24 | November 18, 2015 | 58.86 ft |
| 25 | December 2, 1977 | 58.80 ft |
Most recent crests
- December 17, 2025: 56.74 ft
- December 11, 2025: 60.76 ft
- December 11, 2025: 60.76 ft
- December 6, 2023: 57.48 ft
- November 5, 2022: 56.90 ft
- March 2, 2022: 59.14 ft
- January 13, 2022: 57.01 ft
- January 7, 2022: 54.00 ft
- November 15, 2021: 56.73 ft
- October 29, 2021: 55.26 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the Northwest River Forecast Center. Forecasts are issued routinely year-round. River forecasts for this location take into account past and future precipitation. The stages/flows that will occur may be different if future rainfall is different than forecast.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.