EndedUpdated · Source: NIFC

Lucas Fire, Upper Lake, California

Started

Burned
1,099 acres
445 hectares
Lasted
16 days
from Sep 10, 2026
Growth per day
69 acres
on average
People working on it
176
at the last report
Complexity
Type 3
1 is the most complex
Lucas Fire, Upper Lake, California — Sentinel-2 true color Lucas Fire, Upper Lake, California — Sentinel-2 SWIR (fuego) True view Fire view
⟷
True view (left): as the eye sees it.
Fire view (right): infrared (SWIR), sees through smoke and brings out the heat.

🟢 green = vegetation
🟤 brown = already burned
🟠 orange = fire right now

Drag to compare: normal photo on the left, heat brought out on the right.

Green: vegetationBrown: already burnedOrange: fire right nowSentinel-2 · Copernicus

Key facts

Source: NIFC
LocationLake County
ComplexityType 3 IncidentOfficial scale from 5 to 1: a Type 1 is the most complex in the country.
JurisdictionPrivate land

The story so far

Summary written on Sep 23, while the fire was still active. It has since ended — the figures above are current.

Burning across private land in Lake County, the active Lucas Fire near Upper Lake, California, has been spreading at an approximate rate of 85 acres per day over the course of 13 days, resulting in a total footprint of 1,099 acres since it started on September 10, 2026.

This incident unfolds during the region's typical fire season, which spans from June to October. Nationally, the broader context shows that 3,270,726 hectares have burned so far in 2026, marking a figure that is 40% below the two-decade average.

In context

This wildfire burned in California for 15 days. In total it burned about 1,099 acres — around 4.4 km².

In the Northern Hemisphere, wildfire activity usually peaks during the warm, dry months — roughly May through October.

The bigger picture in United States

Across United States, roughly 3,450,653 hectares have burned so far in 2026 — 37% below the two-decade average. Data from Copernicus GWIS.

Alerts near Upper Lake

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Active fires nearby1 · 100 km
49KM SCooley Fire1,365 acres · 95% contained
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United States todayLive
32Active321Hotspots 48h532 kHectares
Last 7 days · fallingHow many named wildfires were burning on each of the last 7 days. It rises when there are more than on the earlier days.
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