Wauwatosa, WI

Local storm history & FEMA National Risk Index data

Population: 48,794 · Part of Milwaukee County

Wauwatosa is rated Relatively High for overall natural hazard risk — higher risk than most US counties — based on FEMA's National Risk Index for Milwaukee County, WI. The county's highest-rated hazards are cold wave, heat wave, and tornado.

Storm events near Wauwatosa

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

Tornado 6 events
Hail 228 events
Inland Flooding 75 events

County-wide hazard risk

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

Hazard NRI score Rating
Wildfire 29.5 Very Low
Inland Flooding 97 Relatively High
Coastal Flooding 35.6 Very Low
Earthquake 80.8 Relatively Low
Heat Wave 99 Relatively High
Tornado 99 Very High
Avalanche Not Applicable
Cold Wave 100 Very High
Drought 16.7 Very Low
Hail 86.2 Relatively Moderate
Hurricane 18.8 Very Low
Ice Storm 77.1 Relatively Moderate
Landslide 31 Very Low
Lightning 61.7 Relatively Moderate
Strong Wind 94.8 Relatively High
Tsunami Insufficient Data
Volcanic Activity Not Applicable
Winter Weather 96.8 Very High

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

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Frequently asked questions

What natural hazards is Wauwatosa, WI at risk of?

Wauwatosa is rated Relatively High for overall natural hazard risk by FEMA's National Risk Index — higher risk than most US counties. The highest-rated hazards for Milwaukee County, where Wauwatosa is located, are cold wave, heat wave, and tornado.

What is Wauwatosa's biggest natural hazard risk?

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

Is Wauwatosa a high-risk area for natural disasters?

Yes — Wauwatosa carries higher risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively High" for Milwaukee County.

Has Wauwatosa had tornadoes, hail, or flooding?

NOAA has recorded 6 tornado, 228 hail, 75 inland flooding events within 25 miles of Wauwatosa since 2016.