Natural Disaster Risk — ZIP Code 99170

Natural Hazard Profile: ZIP 99170, Washington

ZIP 99170 in Rosalia sits in the Pacific Northwest. Its oceanic climate produces mild, rainy winters west of the Cascades and semi-arid conditions to the east, and notably a critical wildfire period in eastern Washington each summer. These conditions define the natural disaster environment for households across this ZIP code.

According to FEMA's National Risk Index, ZIP 99170 carries an overall risk score of 5.1/10, placing it in the moderate category. Landslide and debris flow risk tops the local hazard profile, with steep terrain and periodic heavy rainfall creating conditions for rapid slope failure in vulnerable areas. The area also faces notable exposure to avalanche and cold wave.

Within Washington, ZIP 99170's risk is, slightly below the 5.8/10 state average. Nationally, it ranks above the U.S. national average of 4.5/10. FEMA's analysis of Washington identifies landslide as the foremost hazard, followed by avalanche and cold wave. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

ZIP 99170's moderate risk profile means that while catastrophic events are less frequent, they do occur. Standard homeowners insurance typically covers many common hazards here, but confirming that landslide exposure is adequately protected is a worthwhile step for property owners.