Power Outages in Jefferson County, MO
No live outage feed is available for Jefferson County, MO yet — live coverage depends on local utilities reporting to ODIN. In 2025, the average customer here lost power for about 15.4 hours.
Jefferson County, MO is served by local tracked utilities.
Jefferson 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.
- Heat AdvisoryMODERATE
Jefferson County has been under 11 National Weather Service alerts recently — most recently a Heat Advisory on July 18, 2026.
- Flood Warning ×5
- Flood Watch ×3
- Heat Advisory ×2
- Flood Advisory ×1
Hardest-hit cities in Jefferson County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Jefferson County went about 15.4 hours without power. Peak simultaneous outage on record reached 29,155 customers.
Worst year here was 2025 (peak 29,155 customers out) · decade average 3.9 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 583 | 5,429 | 1.7 |
| 2016 | 785 | 19,529 | 5.6 |
| 2017 | 367 | 6,808 | 0.9 |
| 2018 | 10 | 115 | 0.0 |
| 2019 | 141 | 3,061 | 0.2 |
| 2020 | 892 | 18,913 | 3.7 |
| 2021 | 877 | 11,138 | 2.7 |
| 2022 | 890 | 4,430 | 2.2 |
| 2023 | 912 | 12,784 | 7.0 |
| 2024 | 935 | 7,453 | 3.2 |
| 2025 | 803 | 29,155 | 15.4 |
Very High high winds exposure · 3.9 hrs/yr of outages over the last decade.
Power outages in Jefferson County: FAQ
- How often does Jefferson County, MO lose power?
- Based on EAGLE-I records, Jefferson County, MO logged 803 distinct outage events in 2025, averaging about 15.4 hours without power per customer over the year.
- What was the worst power outage in Jefferson County, MO?
- The largest tracked outage peaked at 29,155 customers without power, beginning March 14, 2025 and lasting about 5d 16h.
- Is there a power outage in Jefferson County, MO right now?
- No major outage is currently reported for Jefferson County, MO. Live coverage depends on whether local utilities report to ODIN.
Outages are tracked at the county level; these ZIP codes fall within Jefferson County.
63010, 63012, 63016, 63019, 63020, 63023, 63026, 63028, 63047, 63048, 63049, 63050, 63051, 63052, 63053, 63070
Machine-readable data: /api/v1/counties/29099 and /api/v1/counties/29099/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Missouri customers).