9
Extreme
Winter Storm Risk in Arizona
Overall State Risk Score: 9/10
Arizona faces extreme winter-storm risk. 6 of 15 counties (40%) rated high or very high by FEMA National Risk Index.
Seasonal pattern: December-March
Highest-Risk Cities in Arizona
Notable Winter Storm Events
Winter Weather - Southeast Arizona mountains, United States
January 23, 2026 — ADVISORY
Mesa, AZ
169 people exposed; $239M capital exposed
Winter Storm - Southwestern, United States
March 31, 2024 — WARNING
Tucson, AZ
5,670 people exposed; $521M capital exposed
Winter Storm - Southwestern, United States
December 25, 2021 — WARNING
Mesa, AZ
Impact data not available
Other Hazards in Arizona
Monitor Winter Storm Activity in Arizona
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