Cheyenne, WY
Local storm history & FEMA National Risk Index data
Cheyenne is rated Relatively Low for overall natural hazard risk — lower risk than most US counties — based on FEMA's National Risk Index for Laramie County, WY. The county's highest-rated hazards are winter weather, cold wave, and hail.
Storm events near Cheyenne
NOAA-recorded tornado, hail, and flood events within 25 miles of Cheyenne's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Cheyenne 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 Laramie County's FEMA National Risk Index scores, covering Cheyenne along with the rest of the county, not a Cheyenne-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 91.9 | Relatively Moderate |
| Inland Flooding | 67 | Relatively Low |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 70 | Relatively Low |
| Heat Wave | 19.2 | Very Low |
| Tornado | 88.4 | Relatively Moderate |
| Avalanche | 1.6 | Very Low |
| Cold Wave | 93.4 | Relatively High |
| Drought | 27.9 | Very Low |
| Hail | 92.5 | Relatively Moderate |
| Hurricane | — | Not Applicable |
| Ice Storm | 91.5 | Relatively High |
| Landslide | 42.7 | Very Low |
| Lightning | 89.1 | Relatively High |
| Strong Wind | 71 | Relatively Moderate |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 97.1 | Very High |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Laramie County risk profile for disaster declarations, social vulnerability, and climate projection data.
More on Laramie County:
Frequently asked questions
What natural hazards is Cheyenne, WY at risk of?
Cheyenne 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 Laramie County, where Cheyenne is located, are winter weather, cold wave, and hail.
What is Cheyenne's biggest natural hazard risk?
Winter Weather is the highest-rated hazard for Laramie County, where Cheyenne is located, scoring 97.1 out of 100 on FEMA's National Risk Index (rated "Very High").
Is Cheyenne a high-risk area for natural disasters?
No — Cheyenne carries lower risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Low" for Laramie County.
Has Cheyenne had tornadoes, hail, or flooding?
NOAA has recorded 11 tornado, 333 hail, 35 inland flooding events within 25 miles of Cheyenne since 2016.