Germantown, WI

Local storm history & FEMA National Risk Index data

Population: 21,032 · Part of Washington County

Germantown is rated Relatively Low for overall natural hazard risk — lower risk than most US counties — based on FEMA's National Risk Index for Washington County, WI. The county's highest-rated hazards are cold wave, hail, and tornado.

Storm events near Germantown

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

Tornado 6 events
Hail 212 events
Inland Flooding 67 events

County-wide hazard risk

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

Hazard NRI score Rating
Wildfire 49 Very Low
Inland Flooding 66.1 Relatively Low
Coastal Flooding Not Applicable
Earthquake 32.5 Very Low
Heat Wave 72 Relatively Low
Tornado 84.1 Relatively Moderate
Avalanche Not Applicable
Cold Wave 90.2 Relatively High
Drought 33.1 Relatively Low
Hail 86.5 Relatively Moderate
Hurricane 9.3 Very Low
Ice Storm 33.3 Relatively Low
Landslide 61.2 Very Low
Lightning 59.4 Relatively Moderate
Strong Wind 58.6 Relatively Moderate
Tsunami Not Applicable
Volcanic Activity Not Applicable
Winter Weather 63.6 Relatively Moderate

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

Other cities in Washington County:

More on Washington County:

Frequently asked questions

What natural hazards is Germantown, WI at risk of?

Germantown is rated Relatively Low for overall natural hazard risk by FEMA's National Risk Index — lower risk than most US counties. The highest-rated hazards for Washington County, where Germantown is located, are cold wave, hail, and tornado.

What is Germantown's biggest natural hazard risk?

Cold Wave is the highest-rated hazard for Washington County, where Germantown is located, scoring 90.2 out of 100 on FEMA's National Risk Index (rated "Relatively High").

Is Germantown a high-risk area for natural disasters?

No — Germantown carries lower risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Low" for Washington County.

Has Germantown had tornadoes, hail, or flooding?

NOAA has recorded 6 tornado, 212 hail, 67 inland flooding events within 25 miles of Germantown since 2016.