Hartford, WI
Local storm history & FEMA National Risk Index data
Hartford 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 Hartford
NOAA-recorded tornado, hail, and flood events within 25 miles of Hartford's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Hartford itself, not the whole county.
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 Hartford along with the rest of the county, not a Hartford-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 Hartford, WI at risk of?
Hartford 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 Hartford is located, are cold wave, hail, and tornado.
What is Hartford's biggest natural hazard risk?
Cold Wave is the highest-rated hazard for Washington County, where Hartford is located, scoring 90.2 out of 100 on FEMA's National Risk Index (rated "Relatively High").
Is Hartford a high-risk area for natural disasters?
No — Hartford 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 Hartford had tornadoes, hail, or flooding?
NOAA has recorded 28 tornado, 180 hail, 50 inland flooding events within 25 miles of Hartford since 2016.