Sheridan, WY
Local storm history & FEMA National Risk Index data
Sheridan is rated Relatively Low for overall natural hazard risk — lower risk than most US counties — based on FEMA's National Risk Index for Sheridan County, WY. The county's highest-rated hazards are wildfire, winter weather, and avalanche.
Storm events near Sheridan
NOAA-recorded tornado, hail, and flood events within 25 miles of Sheridan's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Sheridan 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 Sheridan County's FEMA National Risk Index scores, covering Sheridan along with the rest of the county, not a Sheridan-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 93.9 | Relatively Moderate |
| Inland Flooding | 74.4 | Relatively Moderate |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 65.5 | Relatively Low |
| Heat Wave | 33.5 | Very Low |
| Tornado | 22.2 | Very Low |
| Avalanche | 80.8 | Relatively Moderate |
| Cold Wave | 77.1 | Relatively Moderate |
| Drought | 23 | Very Low |
| Hail | 60.8 | Relatively Low |
| Hurricane | — | Not Applicable |
| Ice Storm | 14.1 | Very Low |
| Landslide | 76.3 | Relatively Low |
| Lightning | 68.9 | Relatively Moderate |
| Strong Wind | 15.9 | Very Low |
| Tsunami | — | Not Applicable |
| Volcanic Activity | 11.1 | Very Low |
| Winter Weather | 93.9 | Relatively High |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Sheridan County risk profile for disaster declarations, social vulnerability, and climate projection data.
More on Sheridan County:
Frequently asked questions
What natural hazards is Sheridan, WY at risk of?
Sheridan 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 Sheridan County, where Sheridan is located, are wildfire, winter weather, and avalanche.
What is Sheridan's biggest natural hazard risk?
Wildfire is the highest-rated hazard for Sheridan County, where Sheridan is located, scoring 93.9 out of 100 on FEMA's National Risk Index (rated "Relatively Moderate").
Is Sheridan a high-risk area for natural disasters?
No — Sheridan carries lower risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Low" for Sheridan County.
Has Sheridan had tornadoes, hail, or flooding?
NOAA has recorded 58 hail, 3 inland flooding events within 25 miles of Sheridan since 2016.