Flood Warning Issued for Portions of Idaho and Southeast Washington Through Saturday Afternoon

Source: NOAA · Idaho and Southeast Washington

This alert is no longer in effect.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.

The National Weather Service has issued a Flood Warning for Latah, Lewis, Nez Perce, Asotin, Garfield, and Whitman counties due to heavy rain and snowmelt.

Read this weather record in 30 seconds

Record type
Flood Warning
Affected area
Idaho and Southeast Washington
Issued
April 6, 2026
Issuing authority
NWS Spokane WA

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 Idaho and Southeast Washington.

Alert Details

The National Weather Service in Spokane, WA, has issued a Flood Warning for portions of Idaho and Southeast Washington. This alert, which replaces a previous flood advisory, indicates that flooding caused by rain and snowmelt is imminent or occurring.

Affected Areas

The warning covers the following geographic regions:

  • Idaho Counties: Latah, Lewis, and Nez Perce
  • Washington Counties: Asotin, Garfield, and Whitman

Specific locations that will experience flooding include Lewiston, Pullman, Moscow, Clarkston, Lapwai, Colfax, Pomeroy, Genesee, Troy, Potlatch, Juliaetta, Deary, Craigmont, Nezperce, Culdesac, Winchester, Kendrick, Bovill, West Clarkston-Highland, and Clarkston Heights-Vineland.

What You Should Do

Residents in the affected areas should take immediate action to ensure their safety:

  • Turn around, don't drown: Do not attempt to drive through flooded roads. Most flood deaths occur in vehicles.
  • Move to higher ground: Act quickly to protect your life if you are in a flood-prone area.
  • Exercise caution at night: It is significantly harder to recognize the dangers of flooding after dark.
  • Report flooding: Please report observed flooding to local emergency services or law enforcement and request they pass the information to the National Weather Service when it is safe to do so.

Expected Conditions

Flooding is being driven by a combination of rain and snowmelt. As of 12:15 AM PDT, between 0.5 and 0.75 inches of rain have already fallen. Forecasters expect additional rainfall amounts of 0.25 to 0.75 inches through this afternoon. Impacts include the flooding of rivers, creeks, streams, and other low-lying locations, with many areas of slow-moving or standing water expected.

Timeline

The Flood Warning is effective immediately and will remain in place until 1:45 PM PDT on Saturday, March 14, 2026.

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?
The National Weather Service has issued a Flood Warning for Latah, Lewis, Nez Perce, Asotin, Garfield, and Whitman counties due to heavy rain and snowmelt.
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 Idaho and Southeast Washington. 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.