Power outages in Winona, MN
Live outages for Winona and the surrounding area, updated every 10 minutes. Winona has 26,530 residents.
Right now
No live outage data for Winona yet.
Outage map
WinonaWinona County
Outage history in Winona County, which includes Winona
2014–2025 recordWinona County averaged 9 significant outages a year in 2023–2025, about typical for Minnesota counties.
In the 12 months to December 2025, there were 8. Half were over within 1.5 hours; the longest lasted 4 hours, starting September 20, 2025.
The largest on record began June 1, 2023, with 4,068 customers out at once.
Outages are most common in June.
9significant 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.1.6 dayslongest on record (December 2021)
4,068most 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. |
|---|---|---|---|
| June 1, 2023 | 4,068 | 1.5 hours | 6,102 |
| September 10, 2025 | 3,400 | 15 minutes | 850 |
| August 12, 2025 | 3,393 | 15 minutes | 848 |
| October 18, 2024 | 3,387 | 1 hour | 2,859 |
| June 25, 2025 | 3,382 | 1.5 hours | 3,778 |
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.