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AZ · State guide

Arizona emergency preparedness

FEMA's National Risk Index puts Arizona's expected annual loss from natural hazards at about $3.6 billion, rated Relatively Moderate. The hazards with the largest expected losses are inland flooding, heat waves and wildfires.

Weather alerts in Arizona right now

Live

5 warnings and 10 watches in force.

  • Severe Thunderstorm Warning until Oct 22, 2026, 8:45 AM ETGila, AZ
  • Severe Thunderstorm Warning until Oct 22, 2026, 8:30 AM ETNavajo, AZ
  • Flash Flood Warning until Oct 22, 2026, 11:00 AM ETGila, AZ
  • Severe Thunderstorm Watch until Oct 22, 2026, 2:00 PM ETGraham, AZ; Greenlee, AZ
  • Severe Thunderstorm Watch until Oct 22, 2026, 2:00 PM ETGila, AZ; Maricopa, AZ; Pinal, AZ
  • Flood Watch until Oct 23, 2026, 2:00 AM ETNorthwest Plateau
  • Flood Watch until Oct 22, 2026, 8:00 PM ETSouth Central Pinal County including Eloy/Picacho Peak State Park
  • Flood Watch until Oct 22, 2026, 11:00 PM ETSoutheast Pinal County including Kearny/Mammoth/Oracle
  • Flood Watch until Oct 23, 2026, 1:00 AM ETUpper Gila River and Aravaipa Valleys including Clifton/Safford; White Mountains of Graham and Greenlee Counties including Hannagan Meadow; Galiuro and Pinaleno Mountains including Mount Graham
  • Flash Flood Warning until Oct 22, 2026, 11:15 AM ETApache, AZ
  • Severe Thunderstorm Watch until Oct 22, 2026, 1:00 PM ETApache, AZ; Coconino, AZ; Navajo, AZ; Yavapai, AZ
  • Flood Warning until Oct 22, 2026, 5:00 PM ETCoconino, AZ

National Weather Service data, updated Oct 22, 2026, 8:27 AM ET. Not an official warning: follow your local NWS office. All US alerts →

Arizona's biggest natural hazards

FEMA's expected annual loss for each hazard, in dollars a year, and FEMA's rating, from the National Risk Index (December 2025).

Inland floodingRelatively High$2.0 billion a yearHow to prepare →
Heat waveVery High$1.2 billion a yearHow to prepare →
WildfireRelatively High$228 million a yearHow to prepare →
EarthquakeRelatively Low$103 million a yearHow to prepare →
HailRelatively Low$29 million a year
LightningRelatively Moderate$29 million a yearHow to prepare →
Strong windRelatively Low$14 million a yearHow to prepare →
DroughtRelatively Low$11 million a yearHow to prepare →

Get ready for inland flooding, heat waves, wildfires and earthquakes

Inland floodingFlood preparedness: flood watch vs warning, what to do and how flood insurance worksGear: Sump pump battery backups · Fireproof document safes
Heat waveExtreme heat safety: heat exhaustion vs heat stroke and how to stay cool in a power outageGear: Battery-powered fans
WildfireHow to protect yourself from wildfire smoke: AQI, clean room, filters and N95sGear: Air purifiers for wildfire smoke · N95 masks for smoke
EarthquakeEarthquake preparedness: Drop, Cover and Hold On, and what to do afterGear: First aid kits · Fire extinguishers

Official help in Arizona

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Other states where inland flooding tops the list

AlabamaArkansasColoradoConnecticutDelawareDistrict of ColumbiaGeorgiaHawaii

Seasonal checklists for Arizona

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Sources (4)
  1. FEMA National Risk Index, state Expected Annual Loss (December 2025)
  2. FEMA National Risk Index
  3. USA.gov: Arizona
  4. National Weather Service active alerts (api.weather.gov)