Willmar, MN

Local storm history & FEMA National Risk Index data

Population: 21,892 · Part of Kandiyohi County

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

Storm events near Willmar

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

Tornado 22 events
Hail 82 events
Inland Flooding 3 events

County-wide hazard risk

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

Hazard NRI score Rating
Wildfire 50 Very Low
Inland Flooding 52.2 Relatively Low
Coastal Flooding Not Applicable
Earthquake 16 Very Low
Heat Wave 57.5 Relatively Low
Tornado 58.4 Relatively Low
Avalanche Not Applicable
Cold Wave 81.4 Relatively Moderate
Drought 62.5 Relatively Low
Hail 82.3 Relatively Moderate
Hurricane Not Applicable
Ice Storm 62.3 Relatively Moderate
Landslide 59.2 Very Low
Lightning 45.9 Relatively Low
Strong Wind 86.8 Relatively High
Tsunami Not Applicable
Volcanic Activity Not Applicable
Winter Weather 71.2 Relatively Moderate

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

More on Kandiyohi County:

Frequently asked questions

What natural hazards is Willmar, MN at risk of?

Willmar 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 Kandiyohi County, where Willmar is located, are strong wind, hail, and cold wave.

What is Willmar's biggest natural hazard risk?

Strong Wind is the highest-rated hazard for Kandiyohi County, where Willmar is located, scoring 86.8 out of 100 on FEMA's National Risk Index (rated "Relatively High").

Is Willmar a high-risk area for natural disasters?

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

Has Willmar had tornadoes, hail, or flooding?

NOAA has recorded 22 tornado, 82 hail, 3 inland flooding events within 25 miles of Willmar since 2016.