Wyoming Wildfire History
The major wildfires that shaped Wyoming — and why today’s risk looks the way it does. The largest on this list, the 1988 Yellowstone Fires, burned about 793K acres.
Check your WY address’s risk →Major Wyoming wildfires
- 2020
Mullen Fire
· 176,000 acresThe largest wildfire in modern Wyoming history, in the Medicine Bow National Forest west of Laramie.
- 2018
Roosevelt Fire
· 61,000 acresDestroyed ~55 homes in the Hoback region south of Jackson.
- 1988
Yellowstone Fires
· 793,000 acresThe historic fires that burned roughly a third of Yellowstone National Park near Cody.
Figures are rounded from official sources (CAL FIRE, NIFC, state forestry agencies) for well-documented incidents. For the full federal record, see InciWeb and NIFC.
Wyoming wildfire history — frequently asked
What was the largest wildfire in Wyoming history?
The largest wildfire on this Wyoming timeline is the 1988 Yellowstone Fires, which burned about 793,000 acres. The historic fires that burned roughly a third of Yellowstone National Park near Cody.
What was the most recent major wildfire in Wyoming?
The most recent major fire on this Wyoming timeline is the 2020 Mullen Fire. The largest wildfire in modern Wyoming history, in the Medicine Bow National Forest west of Laramie.
How many major wildfires has Wyoming had?
This Wyoming timeline documents 3 major recorded wildfires, from the 1988 to the 2020, drawn from official sources.
Everything for Wyoming wildfire safety
Active fires in Wyoming now →
Live map of what’s burning today, with satellite hotspots and Red Flag alerts.
Wyoming wildfire risk map →
Risk by city and county, and how to check your exact address.
History repeats in fire country — know your risk
Get your address’s 0–100 wildfire risk score, the nearest recorded fires, and your insurance options — free.
Check your address →