Rice Ridge Fire

2017171,675 acresMontana

The Rice Ridge Fire burned 171,675 acres, about 268 square miles, across 3 counties. It began on July 24, 2017.

Watch how it happened

Rice Ridge Fire · 2017

How it happened

Watch it burn in the order satellites saw it, coloured by how severely each place burned.

About this replay
Date (UTC)—Historical replay
Burned so far—acres
High severity—of the area so far
Detections13,956satellite fire pixels

How severely it burned

Burn severity inside the final perimeter, classified from Landsat images taken before and after the fire.

Map of burn severity across the Rice Ridge Fire
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered25%43,054
Moderatemixed: many trees killed, some survive32%55,247
Lowsurface fire, most trees survive28%47,561
Unburned to lowislands inside the perimeter, little change15%25,235
Increased greennessvegetation greener after the fire than before0.3%566

25% of the area inside the perimeter burned at high severity, about 43,054 acres; 57% burned at moderate or high severity.

Monitoring Trends in Burn Severity (U.S. Geological Survey and USDA Forest Service). Classes come from the change in a Landsat burn index (dNBR) between images before and after the fire; acres are each class’s share of the fire’s mapped area.

Where it burned

Acres inside each county, measured from the satellite-mapped perimeter.

Acres burned by county
Powell CountyMT160,381
Missoula CountyMT9,079
Lewis and Clark CountyMT2,012

Other large fires in Montana in 2017

Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.