Snoqualmie River level at Carnation
Washington · Tubing & floating
Measured at USGS 12149000 — SNOQUALMIE RIVER NEAR CARNATION, WA · NWS forecast point CRNW1
Reading taken · as of 48 min ago
Running thin — a slow, scrapey float
At 476 CFS, this gauge is running 60% of normal for mid-September — below the 798 CFS median USGS has recorded for this date across 96 years of record (1929–2025).
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Flood stages at Carnation
National Weather Service categories for gauge CRNW1, WFO SEW. Impact wording is the NWS's own, verbatim.
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Major flood 58.0 ft
- 58.0 ft the 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.
- 60.0 ft the 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.
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Moderate flood 56.0 ft
- 56.0 ft the Snoqualmie River will cause widespread flooding from Fall City downstream through Carnation and Duvall...inundating much of the farm land and numerous roads.
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Minor flood 54.0 ft
- 54.0 ft the Snoqualmie River will flood much of the farm land and several roads from Fall City downstream through Carnation and Duvall.
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Action 50.7 ft
- 51.0 ft the 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.
- Right now 44.42 ft
NWS forecast: 45.15 ft by .
Flow history at Carnation
Daily values from USGS 12149000, updated every 15 to 60 minutes; NWS forecast for CRNW1 reissued through the day. Provisional.
Highest crests on record at Carnation
12 on record
| Stage | Flow | Date |
|---|---|---|
| 62.21 ft | 82,900 CFS | Jan 8, 2009 |
| 60.76 ft | 89,686 CFS | Dec 11, 2025 |
| 60.76 ft | 89,700 CFS | Dec 11, 2025 |
| 60.70 ft | 65,200 CFS | Nov 24, 1990 |
| 60.49 ft | 63,100 CFS | Nov 12, 2008 |
| 60.34 ft | 61,600 CFS | Feb 9, 1996 |
| 60.30 ft | 61,200 CFS | Nov 29, 1995 |
| 59.93 ft | 59,000 CFS | Nov 13, 1932 |
| 59.89 ft | 57,100 CFS | Nov 24, 1986 |
| 59.88 ft | 59,500 CFS | Feb 27, 1932 |
Crests published by the National Weather Service.
About Snoqualmie River at Carnation
In Washington — the reading paddlers, anglers and outfitters here check before committing to a shuttle. Fall City tubing then the most flood-searched lowland river in Puget Sound.
Snoqualmie River at Carnation — common questions
3 questions
Does rain upstream change Snoqualmie River at Carnation quickly?
Yes. It is free-flowing, so rain upstream moves it directly. Several feet in a few hours is normal after a heavy storm.
Is Snoqualmie River at Carnation high or low for this time of year?
The USGS median flow for mid-September here is 798 CFS, from 96 years of record (1929–2025). Today is 60% of it. The comparison is what makes the raw number mean anything: the same reading is a drought on one river and a flood on another.
How often does this reading update?
USGS transmits from gauge 12149000 every 15 to 60 minutes, and the National Weather Service reissues the flood forecast for CRNW1 a few times a day — more often when the river is rising. This page refreshes from both when you open it. The timestamp is in the gauge's local time.