Gillette, Wyoming: natural disaster risk
How exposed Gillette is to floods, storms and other hazards, from FEMA and NOAA records for Campbell County.
Gillette is a city of 33,431 people in Campbell County, Wyoming. FEMA's National Risk Index rates Campbell County relatively low for natural hazards overall, lower than most of the US. The costliest hazards there are cold wave, inland flooding and hail, with about $25 million in expected losses a year across the county. The weather service has logged 1,144 storm reports in the county since 1953, including 93 tornadoes and 25 floods. About 0.1% of homes in the county carry federal flood insurance.
Risk figures are for Campbell County. FEMA National Risk Index December 2025; NOAA Storm Events; US Census Bureau ACS 2020 to 2024. Updated November 6, 2026.
Top risks in Gillette
Full Campbell County report ›- Insulate pipes in outside walls, crawl spaces and garages.
- Know how to shut off the main water valve.
- Check the FEMA flood map for your address, and ask the seller or landlord about past flooding.
- Price a flood policy now. Most new federal policies take 30 days to start.
- Ask about the roof age and any impact-rated shingles.
- Check your home policy for a separate wind and hail deductible.
All hazards
| Hazard | Rating | A year |
|---|---|---|
| Cold wave | $8M | |
| Inland flooding | $7M | |
| Hail | $4M | |
| Wildfire | $3M | |
| Tornado | $1M | |
| Earthquake | $1M | |
| Winter weather | $511K | |
| Lightning | $487K | |
| Strong wind | $408K | |
| Heat wave | $34K | |
| Ice storm | $13K | |
| Landslide | $7K |
Homes in Gillette
Older homes and mobile homes usually take more damage in storms, floods and earthquakes. Ask about roof age, flood history and retrofits before you buy or rent.
Strongest tornadoes in Campbell County
Common questions about Gillette
Is Gillette safe from natural disasters?
Gillette is in Campbell County, which FEMA's National Risk Index rates relatively low overall, lower than most of the US. The biggest hazards are cold wave, inland flooding, hail. No place is free of risk, so check the flood map and insurance for any home you consider.
What natural disasters happen in Gillette?
By expected yearly losses in Campbell County, the top hazards are cold wave (Moderate), inland flooding (Low), hail (High). Campbell County has been part of 3 federal disaster or emergency declarations for natural events.
Does Gillette get tornadoes?
Yes. NOAA records list 93 tornadoes in Campbell County since 1950; the strongest was an EF3 tornado on June 1, 2018 near Gillette Arpt. FEMA rates tornado risk in the county low.
Do I need flood insurance in Gillette?
Standard home insurance does not cover floods. In Campbell County, about 0.1% of homes have federal flood insurance, and FEMA rates inland flooding risk low. Check the FEMA flood map for your address and get a quote even outside a high-risk zone.