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
- Ongoing
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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.
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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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
Dangerous heat persists through the weekend across western Nevada and lower Sierra valleys, with highs reaching upper 90s to low 100s.
Show full text Hide full text
000 FXUS65 KREV 081927 AFDREV
Area Forecast Discussion National Weather Service Reno NV 1227 PM PDT Sat Aug 8 2026
.KEY MESSAGES...
* Dangerous heat persists through the weekend across western Nevada and lower Sierra valleys, with a gradual cooling trend expected next week.
* Isolated to scattered afternoon showers and thunderstorms this afternoon and Sunday, with increasing coverage and chances by mid-week.
* Breezy conditions will increase Sunday and Monday afternoons, elevating fire weather concerns and creating choppy lake waters.
&&
.DISCUSSION...
The synoptic pattern for the short term remains dominated by a broad upper-level ridge centered over the Great Basin, maintaining a hot and dry airmass across the region. Monsoonal moisture continues to advect into the area from the south on the periphery of the high pressure, providing fuel for afternoon convection the next several days.
Dangerous heat will persist through the weekend. High temperatures today and Sunday will reach the upper 90s to low 100s across western Nevada valleys, with some areas potentially exceeding 105F, especially in lower desert sinks. Lower Sierra valleys and foothills will see highs in the 90s,…
- News San Francisco Chronicle
California Fire Map: Track updates on fires across California
- Federal declaration FEMA
Fire Management Assistance declaration: GANN FIRE (California)
FEMA FM-5662 — Fire, declared 2026-08-04.
- News Fresno Bee
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 ↗.