Flood Warning Issued for Nehalem River in Tillamook and Clatsop Counties

Alert Details

The National Weather Service in Portland, OR, has issued a Flood Warning for the Nehalem River near Foss. The warning was issued at 9:37 PM PDT on Friday, March 13, 2026, and remains in effect until further notice.

Affected Areas

The warning specifically impacts the following geographic regions in Oregon:

• Tillamook County
• Clatsop County

Expected Conditions

Minor flooding is forecast for the Nehalem River near Foss. As of 9:15 PM PDT Friday, the river stage was recorded at 14.6 feet. The official flood stage is 15.0 feet, while the bankfull stage is 13.0 feet.

The river is expected to rise above flood stage around midnight tonight, reaching a predicted crest of 15.2 feet late tonight. At levels above 15.0 feet, minor flooding of low-lying farmland and structures is expected. The river is projected to fall below flood stage on Saturday morning.

Timeline

• Alert Effective: March 13, 2026, at 9:37 PM PDT
• Flood Onset: Approximately midnight tonight
• Expected Crest: Late tonight (15.2 feet)
• Duration: The river is expected to recede below flood stage Saturday morning.
• Next Statement: Scheduled for issuance by 5:00 AM PDT.

What You Should Do

Residents and motorists in the affected area should adhere to the following safety guidelines:

• Turn around, don’t drown: Never encounter flooded roads in a vehicle. Most flood-related deaths occur in vehicles.
• Avoid Barricades: Motorists should not attempt to drive around barricades or through flooded areas.
• Nighttime Safety: Be especially cautious at night when it is significantly harder to recognize the dangers of flooding.