Power Outages in Trempealeau County, WI
No live outage feed is available for Trempealeau County, WI yet — live coverage depends on local utilities reporting to ODIN. In 2025, the average customer here lost power for about 1.7 hours.
Trempealeau County, WI is served by local tracked utilities.
Trempealeau County's utilities do not report live data to ODIN, so real-time outage counts aren't available here. The historical record below is complete.
- Air Quality AlertUNKNOWN
Trempealeau County has been under 15 National Weather Service alerts recently — most recently a Air Quality Alert on July 18, 2026.
- Heat Advisory ×6
- Air Quality Alert ×3
- Special Weather Statement ×3
- Severe Thunderstorm Warning ×2
- Flood Advisory ×1
Hardest-hit cities in Trempealeau County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Trempealeau County went about 1.7 hours without power. Peak simultaneous outage on record reached 2,900 customers.
Worst year here was 2021 (peak 2,900 customers out) · decade average 1.4 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 100 | 796 | 0.7 |
| 2016 | 103 | 880 | 0.5 |
| 2017 | 117 | 1,397 | 0.8 |
| 2018 | 132 | 519 | 0.5 |
| 2019 | 148 | 984 | 0.8 |
| 2020 | 115 | 1,448 | 0.5 |
| 2021 | 322 | 2,900 | 3.4 |
| 2022 | 406 | 771 | 1.9 |
| 2023 | 432 | 1,460 | 2.0 |
| 2024 | 509 | 1,725 | 3.0 |
| 2025 | 411 | 1,071 | 1.7 |
Relatively Moderate high winds exposure · 1.4 hrs/yr of outages over the last decade.
FEMA rates this county’s social vulnerability relatively moderate — outages hit harder where communities are less able to respond and recover.
All hazard rankings →Power outages in Trempealeau County: FAQ
- How often does Trempealeau County, WI lose power?
- Based on EAGLE-I records, Trempealeau County, WI logged 411 distinct outage events in 2025, averaging about 1.7 hours without power per customer over the year.
- What was the worst power outage in Trempealeau County, WI?
- The largest tracked outage peaked at 2,900 customers without power, beginning December 16, 2021 and lasting about 1d 23h.
- Is there a power outage in Trempealeau County, WI right now?
- No major outage is currently reported for Trempealeau County, WI. Live coverage depends on whether local utilities report to ODIN.
Outages are tracked at the county level; these ZIP codes fall within Trempealeau County.
54612, 54616, 54625, 54627, 54630, 54661, 54747, 54758, 54760, 54770, 54773
Machine-readable data: /api/v1/counties/55121 and /api/v1/counties/55121/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Wisconsin customers).