Trask River near Tillamook

1. 22.00 ftexpect major flooding along the lower Trask River. Dairy farms, buildings, and some residences adjacent to the Trask in the vicinity of Hwy 101 will be inundated, with flood water several feet deep in the lowest areas.
2. 19.00 ftexpect flooding along the lower Trask River. Dairy farms, buildings, and some residences adjacent to the Trask in the vicinity of Hwy 101 will be flooded.
3. 16.50 ftexpect minor flooding along the lower Trask River. Dairy farms, buildings, and a few residences adjacent to the Trask in the vicinity of Hwy 101 may be threatened.

Chance of flooding, September to November

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 19, 2026.

Most recent crests

• December 19, 2025: 18.34 ft
• December 9, 2025: 16.79 ft
• November 12, 2021: 16.94 ft
• October 22, 2017: 17.56 ft
• December 9, 2015: 18.30 ft
• November 18, 2015: 18.56 ft
• December 21, 2014: 17.50 ft
• January 16, 2011: 18.20 ft
• January 8, 2009: 16.62 ft
• January 2, 2009: 18.50 ft

• Wilson River at Tillamook
• Wilson River at Sollie Smith Br at Tillamook
• Tucca Creek at Blaine
• Miami River at Garibaldi
• Nestucca River at Beaver
• North Fork Yamhill River at Fairdale
• Nehalem River at Foss
• Nehalem River at Nehalem

Forecasts by the Northwest River Forecast Center. Forecasts are issued routinely year-round.

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.