Watertown, WI

Local storm history & FEMA National Risk Index data

Population: 22,617 · Part of Jefferson County

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

Storm events near Watertown

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

Tornado 33 events
Hail 166 events
Inland Flooding 56 events

County-wide hazard risk

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

Hazard NRI score Rating
Wildfire 39.9 Very Low
Inland Flooding 79.5 Relatively Moderate
Coastal Flooding Not Applicable
Earthquake 43.4 Very Low
Heat Wave 71.3 Relatively Low
Tornado 86.1 Relatively Moderate
Avalanche Not Applicable
Cold Wave 85.3 Relatively Moderate
Drought 37.6 Relatively Low
Hail 93.4 Relatively Moderate
Hurricane 14.4 Very Low
Ice Storm 43.9 Relatively Low
Landslide 58.1 Very Low
Lightning 80.8 Relatively Moderate
Strong Wind 67 Relatively Moderate
Tsunami Not Applicable
Volcanic Activity Not Applicable
Winter Weather 58.9 Relatively Low

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

Other cities in Jefferson County:

More on Jefferson County:

Frequently asked questions

What natural hazards is Watertown, WI at risk of?

Watertown 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 Jefferson County, where Watertown is located, are hail, tornado, and cold wave.

What is Watertown's biggest natural hazard risk?

Hail is the highest-rated hazard for Jefferson County, where Watertown is located, scoring 93.4 out of 100 on FEMA's National Risk Index (rated "Relatively Moderate").

Is Watertown a high-risk area for natural disasters?

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

Has Watertown had tornadoes, hail, or flooding?

NOAA has recorded 33 tornado, 166 hail, 56 inland flooding events within 25 miles of Watertown since 2016.