STATE RISK ROLL-UP

Wisconsin

Across 72 counties, FEMA rates 1 elevated or higher for overall natural-hazard risk. Here's what drives it — and where it concentrates.

How the counties rate

低い62

中程度9

やや高い1

高い0

Dominant hazards

The hazards most often rated elevated or higher across Wisconsin's counties:

落雷 — 10 counties
強風 — 10 counties
雹（ひょう） — 8 counties
竜巻 — 8 counties

Highest-risk counties

County	FEMA composite	Score
Milwaukee County	比較的高い	98
Dane County	比較的中程度	94
Brown County	比較的中程度	90
Waukesha County	比較的中程度	89
Marathon County	比較的中程度	87
Winnebago County	比較的中程度	87

State figures are a roll-up of FEMA National Risk Index county data (counts and rankings), not an official FEMA state rating. Risk is an estimate from a public model, not a guarantee — verify your specific insurance needs with a licensed professional. See the methodology.

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FEMA National Risk Index · as of 2026-07-10