Glendale, AZ

Local storm history & FEMA National Risk Index data

Population: 258,143 · Part of Maricopa County

Glendale is rated Very High for overall natural hazard risk — among the most at-risk counties in the country — based on FEMA's National Risk Index for Maricopa County, AZ. The county's highest-rated hazards are heat wave, inland flooding, and wildfire.

Storm events near Glendale

NOAA-recorded tornado, hail, and flood events within 25 miles of Glendale's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Glendale itself, not the whole county.

Tornado 4 events
Hail 76 events
Inland Flooding 251 events

County-wide hazard risk

Every other hazard FEMA and NOAA track — including drought — is only scored at the county level. These are Maricopa County's FEMA National Risk Index scores, covering Glendale along with the rest of the county, not a Glendale-specific figure.

Hazard NRI score Rating
Wildfire 99.6 Relatively High
Inland Flooding 99.9 Very High
Coastal Flooding Not Applicable
Earthquake 96.8 Relatively Moderate
Heat Wave 100 Very High
Tornado 84 Relatively Moderate
Avalanche 32.9 Very Low
Cold Wave 0 No Rating
Drought 97.7 Relatively High
Hail 99.5 Very High
Hurricane 26.6 Very Low
Ice Storm Not Applicable
Landslide 83.9 Relatively Low
Lightning 95.5 Relatively High
Strong Wind 99.1 Very High
Tsunami Not Applicable
Volcanic Activity Not Applicable
Winter Weather 38.7 Relatively Low

Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Maricopa County risk profile for disaster declarations, social vulnerability, and climate projection data.

Other cities in Maricopa County:

More on Maricopa County:

Frequently asked questions

What natural hazards is Glendale, AZ at risk of?

Glendale is rated Very High for overall natural hazard risk by FEMA's National Risk Index — among the most at-risk counties in the country. The highest-rated hazards for Maricopa County, where Glendale is located, are heat wave, inland flooding, and wildfire.

What is Glendale's biggest natural hazard risk?

Heat Wave is the highest-rated hazard for Maricopa County, where Glendale is located, scoring 100 out of 100 on FEMA's National Risk Index (rated "Very High").

Is Glendale a high-risk area for natural disasters?

Yes — Glendale carries among the most at-risk counties in the country for overall natural hazard risk, per FEMA's National Risk Index rating of "Very High" for Maricopa County.

Has Glendale had tornadoes, hail, or flooding?

NOAA has recorded 4 tornado, 76 hail, 251 inland flooding events within 25 miles of Glendale since 2016.