When will the power be back in Custer County, MT?

See current outages near you, plus an independent restoration forecast when enough trend data exists · Montana

No significant county-wide outage reported in Custer County, MT right now.

Lights out where you are? Very small or brand-new outages can take a few minutes to reach county-level data — check your exact address on the live map, and see what to check before you report it.

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Elsewhere in Montana: 3 customers reported out — statewide status.

Updated 9:31 PM MDT.

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⚡ No power in Custer, MT? We'll notify you when the outage we're tracking looks mostly restored.

An alert when an outage is detected here, another once a dependable restoration estimate is ready, and an all-clear when the outage we're tracking looks substantially restored (~90% of customers back). No email, no account — anonymous usage stats only.

Our restoration forecast is independent and unofficial, never the utility's commitment. How it works · How accurate it has been

Who serves Custer County?

County-wide coverage, with utility detail where available. Serving utilities tracked here include Montana-Dakota Utilities, alongside the nationwide county-by-county tally. Tongue River Electric Cooperative, McCone Electric Cooperative, Southeast Electric Cooperative and 1 other also serve parts of this county — we don't yet read their own live outage maps. Multiple utilities serve parts of this area — enter a street address above for your exact provider.

Outage history — Custer County, MT

Last significant outage: Jul 29, 2026 — peaked at 541 customers, restored in ~48 min (weather alert).

This county-level list covers larger outages (about 200+ customers at peak, lasting 30 minutes or more) — oldest listed: Jul 29, 2026. Smaller or briefer interruptions aren't listed.

Longer-term outage history — Custer County, MT

Federal outage records (EAGLE-I, kept by the U.S. Department of Energy) show 50 notable outages (200+ customers at peak) here between 2014 and 2025. Typical restoration ran ~1.5 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: ~4,487 customers out in December 2020, restored after about 1 hr. The busiest year on record here was 2020.

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 Custer County include Miles City, Ismay, North Custer, Shirley-Ismay and South Custer. 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 Custer County, MT?

Report it to your electric utility — crews are dispatched from customer reports. Utilities serving parts of Custer include Montana-Dakota Utilities, Tongue River Electric Cooperative, McCone 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.

Nearby counties & areas

Prairie County · Fallon County · Rosebud County · Powder River County · Carter County · Dawson County · Wibaux County · Treasure County

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