Evacuations issued during this event
- Evacuation warningUS-CA-XLS-LAS-141-A — Lassen County issued · alert expired
- Evacuation warningUS-CA-XLS-LAS-141-B — Lassen County issued · alert expired
- Evacuation warningUS-CA-XLS-LAS-143 — Lassen County issued · alert expired
- Evacuation warningUS-CA-XLS-LAS-145 — Lassen County issued · alert expired
- Evacuation warningUS-CA-XLS-LAS-153 — Lassen County issued · alert expired
- Evacuation warningUS-CA-XLS-LAS-157 — Lassen County issued · alert expired
- Evacuation warningUS-CA-XLS-LAS-147 — Lassen County issued · alert expired
Historical record from Cal OES — alert times shown are when each WEA message was issued and expired; the evacuation itself may have remained in force longer (lift times aren't published to IPAWS).
This event is no longer active — it's kept here as a record. Recovery may still be underway; the guidance below applies.
A wildfire named LOOMIS is burning in Lassen, California, with fire damage affecting homes in the area. The fire has consumed 656 acres and is 75 percent contained.
Overview written from official NASA EONET and National Interagency Fire Center/IRWIN data.
- Type
- Wildfires
- Official size
- 656 acres
- Containment
- 99%
- Cause
- Undetermined
- Began
- Status
- Inactive
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Affected area map
The shaded area is the affected-area perimeter reported for this event by NASA EONET (Lassen, California), colored by hazard type. Pan and zoom to explore the map; when more than one observation exists, use the slider below to step through how the reported area changed.
Interactive affected-area map
Lassen, California · Enable JavaScript to explore the map.
reported perimeter · evacuation orders as issued (dashed): warning / shelter
Official size & containment
Official incident size and containment reported through NIFC / IRWIN, as we observed it. Newest first.
- 656 acres ±0 99% contained
- 656 acres ±0 99% contained
- 656 acres ±0 99% contained
- 656 acres ±0 95% contained
- 656 acres ±0 95% contained
- 656 acres ±0 80% contained
- 656 acres ±0 75% contained
- 656 acres ±0 70% contained
Show 7 earlier observations
- 656 acres ±0 60% contained
- 656 acres ±0 50% contained
- 656 acres ±0 45% contained
- 656 acres ±0 35% contained
- 656 acres ±0 35% contained
- 656 acres ±0 18% contained
- 656 acres 10% contained
Shown as reported by our sources — not an official product. For current advisories and the authoritative map, see NASA EONET ↗.
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Water damage restoration
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Latest updates
Official updates and news coverage for this event, newest first — National Weather Service products, local storm reports, incident updates and press headlines. Official items are verbatim government text; news headlines link out to the original outlet.
- Forecast discussion NWS REV
Area Forecast Discussion
Southwest winds this afternoon will increase fire weather concerns and carry smoke from ongoing northeastern California and western Nevada fires across the region.
Show full text Hide full text
000 FXUS65 KREV 102112 AFDREV
Area Forecast Discussion National Weather Service Reno NV 212 PM PDT Mon Aug 10 2026
.KEY MESSAGES...
* Increased southwest breezes will elevate fire weather and recreation concerns this afternoon, while smoke from ongoing fires persists across northeast CA and western NV.
* Isolated showers and thunderstorms return south of Highway 50 this afternoon, with greater coverage Tuesday and more widespread, wetter storms expected Wednesday and Thursday.
* Heat will ease slightly but linger through Tuesday across west central NV, followed by substantially cooler temperatures for the remainder of the week.
&&
.DISCUSSION...
Webcams around midday show small, generally shallow smoke plumes from the Bug, Fred Mountain, and Ironwood fires, while the newly reported Stallion Fire about 3 miles northwest of Pah Rah Mountain continues to produce intermittent bursts of smoke. Regional smoke from Oregon also remains across northeast CA and northwest NV. Mixing heights are forecast to reach 12-15 kft AGL this afternoon with west-southwest transport winds, providing excellent ventilation and some improvement in valley smoke and haze. Local plumes will be carried m…
- News San Francisco Chronicle
California Fire Map: Track updates on fires across California
- News Fresno Bee
Update: Loomis Fire in Lassen County close to full containment
- Federal declaration FEMA
Fire Management Assistance declaration: GANN FIRE (California)
FEMA FM-5662 — Fire, declared 2026-08-04.
Show 2 earlier updates
- fresnobee.com News
Update: Loomis Fire in Lassen County close to full containment
- Fresno Bee News
Update: Containment efforts for Loomis Fire in Lassen County grow to 80%
Updates are captured automatically from official and news sources, and may lag the live source. For the very latest, see NASA EONET ↗.