Maps & Current Conditions

Flooding

Know whether your home, work, or travel routes are in flood-prone areas. Watch river readings and road closures during heavy rain. The county also points residents to Chehalis Basin flood information and local river data.

Chehalis River Basin Flood Authority

Rivers & Lakes

River Readings (stages)

Chehalis River at Porter

Satsop River

Chehalis River near Montesano

Wynoochee River near Montesano

Humptulips River Below Hwy 101

Quinault River at Quinault

Tides

Center for Disease Control and Prevention

Be Aware, Be Prepared

Earthquakes

During an earthquake: Drop. Cover. Hold On. After shaking stops, check for injuries, be ready for aftershocks, and watch for official updates.

Drop! Cover! Hold On!

Pacific NW Seismic Network

USGS Earthquakes

The Great Washington ShakeOut

Tsunami

If you are near the coast and feel strong shaking, do not wait for an alert. Move to high ground right away. Review local evacuation maps before you need them. AHAB sirens may be used to warn people outdoors.

West Coast & Alaska Tsunami Information

Lessons in Surviving a Tsunami

Tsunami Safety Advice

Evacuation Maps

How Does the Tsunami Warning System Work

Severe Weather & Winter Storms

Prepare for power outages, downed trees, blocked roads, and dangerous travel. Keep extra food, water, blankets, flashlights, batteries, and charged devices on hand.

Shelter In Place

Some emergencies may require you to shelter in place. Follow official instructions and stay tuned for updates.