Alaska wildfires

Ripple Fire

OutYukon-Koyukuk County, Alaska2025Wildfire

The Ripple Fire was reported on July 20, 2025 in Yukon-Koyukuk County, Alaska and burned 3,940 acres. It was declared out on September 19, 2025. The cause is listed as natural.

Size
3,940 acres
Contained
0%
Discovered
July 20, 2025

Radar

Reflectivity now over Ripple Fire. Open it to see fires and the fire weather outlook on the map.

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Radar mosaic and map layers from NOAA MRMS and NOAA Storm Prediction Center. Boundaries from the Iowa Environmental Mesonet.

Map

Perimeter mapped September 23, 2025 at 11:55 AM AKDT, 3,940 acres (image interpretation). Point of origin 67.679, -144.243.

Live radar at the fire Forecast for Fort Yukon

The incident

Size
3,940 acres
Containment
0%
Discovered
July 20, 2025 at 5:09 PM AKDT
Declared out
September 19, 2025 at 12:30 PM AKDT
Cause
Natural
Location
45 Miles SE from Mountain Village, AK
County
Yukon-Koyukuk County
State
Alaska
Protecting agency
BLM
Jurisdiction
USFWS
Land ownership at origin
USFWS
Incident management
Type 5 IC, Type 5 Incident
Primary fuel
Timber (Litter and Understory)
Incident type
Wildfire
Unique fire identifier
2025-AKUYD-000468
IRWIN identifier
D0316E89-AAB5-4473-98C8-F97029EBE357

Growth

Mapped area at the last perimeter of each day, from July 21, 2025 (2 acres) to September 23, 2025 (3,940 acres). The largest one-day growth was 1,642 acres, mapped July 29, 2025.

DayAcresChange
July 21, 20252
July 26, 202561+59
July 27, 202571+10
July 28, 2025675+604
July 29, 20252,317+1,642
August 2, 20252,463+146
August 4, 20252,609+146
August 6, 20253,646+1,037
August 7, 20254,001+355
August 11, 20253,949-52
September 23, 20253,940-9

Weather in the area

This fire is no longer listed as current. The forecast for Fort Yukon, AK covers the area today.

Nearby

Alaska wildfires today Wildfires of 2025 All current fires

Incident record from the National Interagency Fire Center’s Wildland Fire Interagency Geospatial Services (WFIGS), as the incident’s managers report it; last updated September 23, 2025 at 11:55 AM AKDT. Identifier 2025-AKUYD-000468.