Burn severity · Sanders County 2025

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Acres by severity and land cover Forest Range (shrubland) Grassland Other Unclassified Acres in Sanders County
Unburned to very low 1,804 1,363 258 12 0 3,436
Low 351 287 7 3 0 649
Moderate low 312 129 1 1 0 444
Moderate high 332 53 0 0 0 386
High 919 21 0 0 0 941
Assessed acres in Sanders County 3,719 1,853 266 17 0 5,855
Severity by fire
Fire Reported acres Acres in Sanders County Unburned to very low Low Moderate low Moderate high High
Knowles Fire 3,816 3,817 2,235 517 315 242 507
Isabella Fire in Isabella and Lost Girl Fires 1,411 1,411 671 88 109 123 419
Mile Marker 91 Fire 308 309 284 19 4 2 0
Lost Girl Fire in Isabella and Lost Girl Fires 309 309 237 24 14 18 15
Little Seepay Fire 9 9 8 1 1 0 0
Crow Creek Fire 0 0 0 0 0 0 0
Ulm Creek Fire burned in from Shoshone County 2,929 60 (of 2,930) 0 6 13 27 14
Fires awaiting assessment
(2)
Fire Reported acres Whole perimeter acres Reason
Banana Lake Fire 833 — Awaiting a perimeter
Sage Fire 0 — Smaller than one cell
Reconciliation
Line Fires Acres
Counted fires 7 6,686
Offered to assessment 8 6,686
Complex roll-up residue — 0
Fires with severity acres 6 5,853
Awaiting a perimeter 1 833
Awaiting assessment 0 0
Awaiting clear imagery 0 0
Assessment errors 0 0
Smaller than one cell 1 0
Every cell outside Sanders County 0 0
Assessed acres in Sanders County 6 5,855
Assessed acres outside Sanders County — 0
Whole perimeter acres — 5,855
Burned in from another county 1 60

Generated 2026-09-17 18:41 UTC. Severity appears for wildfires in the lower 48 states and the District of Columbia that have a mapped perimeter. Each fire is assessed again every few days while its post-fire imagery can still improve.

Sentinel-2 dNBR assessed through 2026-09-17 18:41 UTC. LANDFIRE LF2024_EVT for MT. 30 m cells.