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

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.