Natural Disaster Risk — ZIP Code 98639

Natural Hazard Profile: ZIP 98639, Washington

ZIP 98639 in North Bonneville 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 98639 carries an overall risk score of 5.3/10, placing it in the moderate category. Volcanic activity is the foremost natural hazard, with the area situated near active volcanic systems capable of producing lava flows, ashfall, and pyroclastic hazards. The area also faces notable exposure to wildfire and avalanche.

Within Washington, ZIP 98639'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 volcano as the foremost hazard, followed by wildfire and avalanche. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a moderate risk rating, ZIP 98639 residents are well-served by maintaining standard preparedness practices — an emergency supply kit, awareness of local hazard seasonality, and insurance that covers the top local risks. Periodic review of coverage for volcano is recommended.