Wynoochee River near Montesano

1. 44.50 ftthe Wynoochee River will cause major flooding in the Wynoochee Valley...with deep and swift flood waters inundating farms...residences...and roads. Damage from erosion could be significant. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Wynoochee River Basin.
2. 43.50 ftthe Wynoochee River will flood much of the low area of the Wynoochee Valley with moderate flooding. Deep and swift flood waters will inundate farms...residential areas...and roads.
3. 42.50 ftthe Wynoochee River will flood much of the low area of the Wynoochee Valley...with deep and swift flood waters inundating farms...residential areas...and roads.
4. 39.50 ftthe Wynoochee River will locally spill over its banks into fields in the Wynoochee Valley. Flooding threatens residences and roads upper part of river.

Most recent crests

• January 5, 2015: 16.18 ft
• March 6, 2014: 13.85 ft
• November 19, 2012: 13.40 ft
• November 23, 2011: 10.81 ft
• December 12, 2010: 15.90 ft
• November 20, 2009: 16.68 ft
• January 7, 2009: 20.11 ft
• December 3, 2007: 13.73 ft
• November 6, 2006: 18.65 ft
• December 24, 2005: 14.81 ft

• Chehalis River at Montesano
• Satsop River at Satsop
• Wishkah-Chehalis Tide Gage
• Wishkah River at Nisson
• West Fork Satsop River at Satsop
• Chehalis River at Porter
• Humptulips River at Blo Hwy 101 NR Humptulips
• Willapa River at Willapa

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.

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.