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
Niedrig62
Moderat9
Erhöht1
Hoch0
Dominant hazards
The hazards most often rated elevated or higher across Wisconsin's counties:
- Blitzschlag — 10 counties
- Starker Wind — 10 counties
- Hagel — 8 counties
- Tornado — 8 counties
Highest-risk counties
| County | FEMA composite | Score |
|---|---|---|
| Milwaukee County | Relativ hoch | 98 |
| Dane County | Relativ moderat | 94 |
| Brown County | Relativ moderat | 90 |
| Waukesha County | Relativ moderat | 89 |
| Marathon County | Relativ moderat | 87 |
| Winnebago County | Relativ moderat | 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.
FEMA National Risk Index · as of 2026-07-10