See current outages near you, plus an independent restoration forecast when enough trend data exists · Montana
Our restoration forecast is independent and unofficial, never the utility's commitment. How it works · How accurate it has been
Who serves Lake County?
County-wide coverage, with utility detail where available. Serving utilities tracked here include NorthWestern Energy ↗, Mission Valley Power, Missoula Electric Cooperative and Flathead Electric Cooperative, alongside the nationwide county-by-county tally. Multiple utilities serve parts of this area — enter a street address above for your exact provider.
Outage history — Lake County, MT
Last significant outage: Sep 18, 2026 — peaked at 979 customers, restored in ~2.2 hr (no severe weather).
Across the 7 significant outages tracked here, restoration typically ran about 2.8 hr.
This county-level list covers larger outages (about 200+ customers at peak, lasting 30 minutes or more) — oldest listed: Aug 7, 2026. Smaller or briefer interruptions aren't listed.
Longer-term outage history — Lake County, MT
Federal outage records (
EAGLE-I, kept by the U.S. Department of Energy) show
119 notable outages (200+ customers at peak) here between 2014 and 2025.
Typical restoration ran ~
2 hr (median), and outages here have been most common in summer.
That is shorter than the Montana norm in the same records, where the typical outage ran ~3 hr.
Largest on record: ~5,323 customers out in December 2025, restored after about 3.2 days. The busiest year on record here was 2024.
Source: EAGLE-I (Oak Ridge National Laboratory / U.S. Department of Energy), county-level
records 2014–2025 measured by the same rules as our tracking archive above, over a far longer period than we have been tracking — the same method, a different set of outages. These are federal historical records,
not events tracked live by this site.
Communities covered
Communities in Lake County include Polson, Ronan, St. Ignatius, Arlee, Bear Dance, Big Arm, Charlo and Dayton. Searches and the live map cover every address in the county, named here or not.
Common questions
How do I report a power outage in Lake County, MT?
Report it to your electric utility — crews are dispatched from customer reports. Utilities serving parts of Lake include NorthWestern Energy, Mission Valley Power, Missoula Electric Cooperative and others — service areas overlap and county lines don't decide your provider, so confirm yours, then use its outage line or website. Reporting a downed line also helps crews find the fault faster. In a life-threatening emergency, call 911.
