Flood Warning Issued for Chehalis River at Porter in Grays Harbor County

Alert Details

The National Weather Service in Seattle WA has issued a Flood Warning for the Chehalis River at Porter. This alert is in effect from Saturday afternoon, March 14, through Monday evening, March 16.

Affected Areas

The warning specifically affects Grays Harbor County in Washington, centered on the Chehalis River at Porter. Officials note that high tidal levels at Aberdeen will likely worsen flooding along the lower reaches of the river.

What You Should Do

Residents and motorists are advised to follow the “Turn around, don’t drown” rule when encountering flooded roads. Most flood-related deaths occur in vehicles. Do not attempt to drive around barricades or navigate cars through flooded areas. Monitor local weather updates for further developments.

Expected Conditions

Minor flooding is forecast for the region. As of Friday afternoon, the river stage was recorded at 46.3 feet. The river is expected to rise above the 48.0-foot flood stage, reaching a projected crest of 48.5 feet. At these levels, the Chehalis River will flood low-lying pasture lands and several roads.

Timeline

• Onset: Saturday afternoon, March 14, at approximately 3:21 PM PDT.
• Peak: The river is expected to crest late Sunday morning.
• Recession: Water levels are forecast to fall below flood stage late Monday morning.
• Expiration: The warning is currently set to end at 8:43 PM PDT on Monday, March 16.