Mankato, MN
Local storm history & FEMA National Risk Index data
Mankato is rated Relatively Low for overall natural hazard risk — lower risk than most US counties — based on FEMA's National Risk Index for Blue Earth County, MN. The county's highest-rated hazards are strong wind, winter weather, and cold wave.
Storm events near Mankato
NOAA-recorded tornado, hail, and flood events within 25 miles of Mankato's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Mankato 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 Blue Earth County's FEMA National Risk Index scores, covering Mankato along with the rest of the county, not a Mankato-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 31.8 | Very Low |
| Inland Flooding | 65.9 | Relatively Low |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 15.8 | Very Low |
| Heat Wave | 69.3 | Relatively Low |
| Tornado | 77.1 | Relatively Moderate |
| Avalanche | — | Not Applicable |
| Cold Wave | 93.3 | Relatively High |
| Drought | 78.8 | Relatively Moderate |
| Hail | 85.3 | Relatively Moderate |
| Hurricane | — | Not Applicable |
| Ice Storm | 50.4 | Relatively Low |
| Landslide | 67.8 | Relatively Low |
| Lightning | 22.3 | Very Low |
| Strong Wind | 95.2 | Relatively High |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 93.5 | Relatively High |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Blue Earth County risk profile for disaster declarations, social vulnerability, and climate projection data.
More on Blue Earth County:
Frequently asked questions
What natural hazards is Mankato, MN at risk of?
Mankato 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 Blue Earth County, where Mankato is located, are strong wind, winter weather, and cold wave.
What is Mankato's biggest natural hazard risk?
Strong Wind is the highest-rated hazard for Blue Earth County, where Mankato is located, scoring 95.2 out of 100 on FEMA's National Risk Index (rated "Relatively High").
Is Mankato a high-risk area for natural disasters?
No — Mankato carries lower risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Low" for Blue Earth County.
Has Mankato had tornadoes, hail, or flooding?
NOAA has recorded 29 tornado, 91 hail, 31 inland flooding events within 25 miles of Mankato since 2016.