Nevada · Active · 40,691 acres
Stallion Fire, Nevada
40,691
Acres reported
85%
Contained
0
Acres since yesterday
Last updated · refreshed every 15 minutes from the NIFC WFIGS feed · awareness only — follow local authorities
Update ·
As of Aug 18, 2026, 09:15 UTC, the Stallion Fire is listed as active at 40,691 acres, 85% contained, in Washoe County, Nevada.
No change in reported size or containment since Aug 17, 2026, 09:00 UTC.
The most recent mapped perimeter (Aug 18, 2026, 08:25 UTC) covers 40,691 acres; the mapped perimeter has been updated 9 times since the fire began.
No satellite heat detections matched to this incident in the last 24 hours (last one Aug 12, 2026, 21:04 UTC).
Stallion Fire map
The most recent mapped perimeter (solid) and the previous day's perimeter (dashed), with the reported point of origin.
Latest perimeter Previous perimeter · Perimeters come from the WFIGS interagency perimeter service and are usually mapped once a day; the mapped area can differ from the reported acreage.
Key facts
- Size
- 40,691 acres
- Containment
- 85%
- Status
- Active
- Discovered
- Aug 10, 2026
- Location
- Washoe County, Nevada
- Origin point
- 39.8228, -119.5252
- Perimeter mapped
- Aug 18, 2026 (52 min ago)
- Satellite heat, 24 h
- none matched
Nearest towns
Distances are from the reported point of origin, not from the fire’s edge (see the perimeter map for the current extent).
- Spanish Springs, NV
- Sun Valley, NV
- Fernley, NV
- Lemmon Valley, NV
- Golden Valley, NV
Other fires nearby
Stallion Fire daily history
The largest size and containment reported each UTC day, from our 15-minute archive of the federal feed (first seen Aug 10, 2026, 17:45 UTC).
| Day (UTC) | Reported size | Change | Contained |
|---|---|---|---|
| Aug 18, 2026 | 40,691 acres | 0 | 85% |
| Aug 17, 2026 | 40,691 acres | 0 | 82% |
| Aug 16, 2026 | 40,691 acres | +1 | — |
| Aug 15, 2026 | 40,690 acres | +1 | — |
| Aug 14, 2026 | 40,689 acres | +6,958 | — |
| Aug 13, 2026 | 33,731 acres | +305 | — |
| Aug 12, 2026 | 33,426 acres | +13,361 | — |
| Aug 11, 2026 | 20,065 acres | +19,065 | — |
| Aug 10, 2026 | 1,000 acres | — | — |
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Stallion Fire questions, answered from the data
How big is the Stallion Fire?
As of Aug 18, 2026, 09:15 UTC, the Stallion Fire is reported at 40,691 acres. No change in reported size or containment since Aug 17, 2026, 09:00 UTC.
Is the Stallion Fire contained?
Not fully. It was 85% contained as of Aug 18, 2026, 09:15 UTC. Containment is the share of the fire's edge that has a control line; it is reported by the incident team and can lag the ground situation.
Where is the Stallion Fire?
The reported point of origin is at 39.8228, -119.5252 in Washoe County, Nevada. Nearest towns: Spanish Springs (15 mi SW), Sun Valley (21 mi SW), Fernley (21 mi SE). The map on this page shows the most recent mapped perimeter.
Is the Stallion Fire still burning?
The federal feed still lists it as active as of Aug 18, 2026, 09:15 UTC; no satellite heat detections were matched to it in the last 24 hours.
Where do I find evacuation orders for the Stallion Fire?
From the county sheriff and local emergency management, not from this site. Check the official Nevada sources on our Nevada page and your county’s alert system. FireRiskHere is for awareness only.
How current is this page?
The numbers come from the National Interagency Fire Center's WFIGS incident feed and the WFIGS perimeter service, refreshed every 15 minutes, plus NASA FIRMS satellite detections hourly. This page was last updated Aug 18, 2026, 09:15 UTC. Acreage and containment are what the incident team reports and can lag by hours.
About this page
This page is generated automatically for every wildfire whose reported size reaches 1,000 acres, from FireRiskHere’s archive of the National Interagency Fire Center’s WFIGS incident feed (captured every 15 minutes), the WFIGS interagency perimeter service, and NASA FIRMS satellite detections. It stays online after the fire is contained as a record of the incident. Nothing here is an official notice — for evacuation orders and road closures follow your county sheriff and local emergency management. How the site works →