Snoqualmie River near Carnation - Discharge, WA
River level and flood forecast · King County
The National Weather Service has no current reading for this gauge, so its flood status isn't known right now.
Flow: 864 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 4 PM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts Snoqualmie River near Carnation - Discharge to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 58 ft |
| Moderate flood stage | 56 ft |
| Flood stage | 54 ft |
| Record crest (January 7, 2009) | 62.21 ft |
What floods at each level
From the National Weather Service, highest first.
- 60 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 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 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 ftthe Snoqualmie River will flood much of the farm land and several roads from Fall City downstream through Carnation and Duvall.
- 51 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.
Highest crests on record
- 62.21 ft — January 7, 2009
- 61.28 ft — November 7, 2006
- 60.7 ft — November 24, 1990
- 60.49 ft — November 12, 2008
- 60.34 ft — February 9, 1996
Recent crests: 57.98 ft (October 23, 2019) · 56.16 ft (November 24, 2017) · 54.34 ft (November 22, 2017) · 54.58 ft (October 22, 2017) · 54.1 ft (March 15, 2017)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (CRNZ1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.