Flood Warning Issued for Nehalem River in Tillamook and Clatsop Counties

Source: NOAA · Northwest Oregon

This alert is no longer in effect.

NOAA issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.

NWS Portland has issued a flood warning for the Nehalem River near Foss, forecasting minor flooding of low-lying farmland and structures through Saturday morning.

Read this weather record in 30 seconds

Record type
Flood Warning
Affected area
Northwest Oregon
Issued
April 6, 2026
Issuing authority
NWS Portland

Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.

Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Northwest Oregon.

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.

Original source: NOAA Official Notice ↗

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Portland has issued a flood warning for the Nehalem River near Foss, forecasting minor flooding of low-lying farmland and structures through Saturday morning.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Northwest Oregon. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.