Red Flag Warning issued August 11 at 2:17AM MDT until August 11 at 9:00PM MDT by NWS Riverton WY
Absaroka Mountains/North Shoshone NF
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28 active wildfires burning 34,121 acres in Wyoming right now. NIFC/IRWIN data.
Wyoming currently has 28 active wildfires burning a combined 34,121 acres. 6 of them are large incidents of 1,000+ acres, and 2 of those are still under 50% containment. The biggest is the Weiser Knoll fire in Fremont County at 13,350 acres, 0% contained. 2 new fires have been discovered in the past 48 hours. The National Weather Service has 6 active fire, wind, or heat alerts covering parts of the state, including 6 Red Flag Warnings. Air quality near the center of the state is moderate (AQI 62).
Bold outline: Wyoming boundary. Fires outside the border are in neighboring states.
Red Flag Warning issued August 11 at 2:17AM MDT until August 11 at 9:00PM MDT by NWS Riverton WY
Absaroka Mountains/North Shoshone NF
Read full alert at weather.govRed Flag Warning issued August 11 at 2:17AM MDT until August 11 at 9:00PM MDT by NWS Riverton WY
Upper Wind River Basin/Wind River Basin; Owl Creek Mountains; Granite/Green/Ferris/Rattlesnake Mountains
Read full alert at weather.govRed Flag Warning issued August 11 at 2:17AM MDT until August 11 at 9:00PM MDT by NWS Riverton WY
Yellowstone National Park
Read full alert at weather.govRed Flag Warning issued August 11 at 2:17AM MDT until August 11 at 9:00PM MDT by NWS Riverton WY
Natrona County/Casper BLM; Johnson County/Casper BLM; South Bighorn Mountains; Casper Mountain
Read full alert at weather.govRed Flag Warning issued August 11 at 2:17AM MDT until August 11 at 9:00PM MDT by NWS Riverton WY
Upper Green River Basin/Rock Springs BLM; Sweetwater County/Rock Springs BLM/Flaming Gorge NRA
Read full alert at weather.govRed Flag Warning issued August 11 at 1:08AM MDT until August 11 at 9:00PM MDT by NWS Cheyenne WY
Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland; Middle North Platte River Basin/Niobrara and Converse High Plains; North Laramie Range a…
Read full alert at weather.govSource: National Weather Service. Alerts open the official NWS record.
So far in 2026, 53K acres have burned in Wyoming, 24% of the 220K acres burned in an average full year from 2016 to 2025.
| Fire | County | Size | Contained | Updated |
|---|---|---|---|---|
| Weiser Knoll Fire | Fremont | 13,350 acres | 0% | 15 hours ago |
| Lumin Fire | Sheridan | 7,285 acres | 100% | 2 days ago |
| Sandpiper Fire | Natrona | 6,287 acres | 100% | 9 days ago |
| Kohns Fire | Campbell | 2,700 acres | 100% | 2 days ago |
| Sr - Buffalo Fire | Sheridan | 1,200 acres | 100% | 2 days ago |
| Cold Springs Fire | Converse | 1,000 acres | 0% | 15 hours ago |
| Montgomery Draw Fire | Campbell | 536 acres | 100% | 3 days ago |
| Bare Fire | Sublette | 443 acres | 0% | 17 hours ago |
| Long Draw Fire | Crook | 250 acres | 100% | 3 days ago |
| Bull Creek Fire | Campbell | 246 acres | - | 10 days ago |
All reported wildfires since 2014, NIFC interagency records.
From 605 fires with federal ICS-209 reports. Source: ICS-209-PLUS (St. Denis et al.).
Over the last five years, Wyoming averaged 229K acres burned and 694 fires per year. That is 61% up in acreage and 27% down in fire count versus the 2014–2021 baseline. Fire activity here is clearly intensifying.
Official channels for evacuation orders, shelters, and emergency alerts. In an immediate emergency, call 911.