Winter Storm Risk in California
Overall State Risk Score: 7/10
California faces very high winter-storm risk. 3 of 58 counties (5%) rated high or very high by FEMA National Risk Index.
Seasonal pattern: December-March
Highest-Risk Cities in California
Notable Winter Storm Events
Winter Storm - Los Angeles and Ventura County mountains, United States
February 15, 2026 — WARNING
Long Beach, CA
15,300 people exposed; $12,908M capital exposed
Winter Storm - Sierra Nevada and Lassen Volcanic National Park, Northern California, United States
April 20, 2026 — WARNING
Oakland, CA
14,900 people exposed; $2,697M capital exposed
Winter Storm - Sierra Nevada, California, United States
April 10, 2026 — WARNING
Fresno, CA
1,460 people exposed; $275M capital exposed
Winter Storm - Sierra Nevada, California, United States
February 9, 2026 — WARNING
Fresno, CA
870 people exposed; $214M capital exposed
Other Hazards in California
How this data is built
California winter storm risk combines Historical Event Intelligence with authoritative hazard modeling from the Geospatial Intelligence Layers catalog. Live event monitoring is available through the Event Intelligence API and the DisasterAWARE Platform.
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