Power outages in Missoula, MT
Live outages for Missoula and the surrounding area, updated every 10 minutes. Missoula has 78,903 residents.
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No live outage data for Missoula yet.
Outage map
MissoulaMissoula County
Outage history in Missoula County, which includes Missoula
2014–2025 recordMissoula County averaged 26.7 significant outages a year in 2023–2025, more than most Montana counties.
In the 12 months to December 2025, there were 24. Half were over within 2 hours; the longest lasted 3.5 days, starting December 17, 2025.
The largest on record began July 25, 2024, with 55,225 customers out at once.
26.7significant outages a year (2023–2025)
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At least 1% of the area's customers, and at least 100, without power at the same time. Outages less than 6 hours apart count as one.2 hourstypical (median) length
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Half of significant outages here ended sooner than this, and half lasted longer.4.7 dayslongest on record (July 2024)
55,225most customers out at once
| Largest events (start) | Peak out | LastediHow long this area stayed at or above the significant-outage line, not how long any one home was without power. | Customer-hoursiCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours. |
|---|---|---|---|
| July 25, 2024 | 55,225 | 4.7 days | 1,903,525 |
| December 17, 2025 | 8,400 | 3.5 days | 242,599 |
| May 9, 2023 | 7,478 | 1.5 hours | 8,638 |
| August 2, 2021 | 6,378 | 4.5 hours | 20,745 |
| December 20, 2023 | 6,344 | 1.5 hours | 7,137 |
Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).i
From EAGLE-I, Oak Ridge National Laboratory's record of utility outage data every 15 minutes since 2014 (CC BY 4.0). It covered about 9 in 10 U.S. customers.