Gillette, WY

Local storm history & FEMA National Risk Index data

Population: 33,846 · Part of Campbell County

Gillette is rated Relatively Low for overall natural hazard risk — lower risk than most US counties — based on FEMA's National Risk Index for Campbell County, WY. The county's highest-rated hazards are hail, wildfire, and winter weather.

Storm events near Gillette

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

Tornado 7 events
Hail 119 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 Campbell County's FEMA National Risk Index scores, covering Gillette along with the rest of the county, not a Gillette-specific figure.

Hazard NRI score Rating
Wildfire 92.9 Relatively Moderate
Inland Flooding 40.2 Relatively Low
Coastal Flooding Not Applicable
Earthquake 72.3 Relatively Low
Heat Wave 12.2 Very Low
Tornado 46.3 Relatively Low
Avalanche Not Applicable
Cold Wave 87.5 Relatively Moderate
Drought 17.3 Very Low
Hail 94.4 Relatively High
Hurricane Not Applicable
Ice Storm 15.4 Very Low
Landslide 68.2 Relatively Low
Lightning 62.5 Relatively Moderate
Strong Wind 31.5 Relatively Low
Tsunami Not Applicable
Volcanic Activity Not Applicable
Winter Weather 89.2 Relatively High

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

More on Campbell County:

Frequently asked questions

What natural hazards is Gillette, WY at risk of?

Gillette 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 Campbell County, where Gillette is located, are hail, wildfire, and winter weather.

What is Gillette's biggest natural hazard risk?

Hail is the highest-rated hazard for Campbell County, where Gillette is located, scoring 94.4 out of 100 on FEMA's National Risk Index (rated "Relatively High").

Is Gillette a high-risk area for natural disasters?

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

Has Gillette had tornadoes, hail, or flooding?

NOAA has recorded 7 tornado, 119 hail, 3 inland flooding events within 25 miles of Gillette since 2016.