massoutage

Power Outages in Jefferson County, MT

No live outage feed is available for Jefferson County, MT yet — live coverage depends on local utilities reporting to ODIN. In 2025, the average customer here lost power for about 20.9 hours.

Jefferson County, MT is served by local tracked utilities.

🔔 Alert me
Jefferson County, MT
Loading map…
This county 0out
No major outages reported

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.

🔔 Email me when Jefferson County, MT loses power
🔔 Alerts for Jefferson County, MT:
◢ ACTIVE WEATHER ALERTS · NWS

No active NWS alerts for Jefferson County right now.

Recent NWS alert activity · Jefferson County

Jefferson County has been under 26 National Weather Service alerts recently — most recently a Flood Advisory on July 18, 2026.

  • Heat Advisory ×7
  • Special Weather Statement ×6
  • Flood Watch ×3
  • Fire Weather Watch ×3
  • Severe Thunderstorm Warning ×3
  • Flood Advisory ×2
OUTAGE TREND
Jefferson County, MT
0
AS OF LAST UPDATE · PEAK 0
Updated July 18, 2026
2 PM8 PM2 AM9 AM2 PM

Hardest-hit cities in Jefferson County

Where this event is concentrated across the county's towns and townships.

No cities on file for this county

Historical reliability

In 2025, the average customer in Jefferson County went about 20.9 hours without power. Peak simultaneous outage on record reached 6,022 customers.

A decade of outages (20192025)
avg hrs without power / customer
0.0h20193.6h20204.8h20213.4h20221.6h20238.8h202420.9h2025

Worst year here was 2025 (peak 6,022 customers out) · decade average 6.2 hrs without power per customer/yr.

YearOutage eventsPeak customers outAvg hrs/customer
2019110.0
20201805573.6
20212051,6944.8
20221791,4423.4
20231832631.6
20242222,6818.8
20251836,02220.9
Worst recorded outages
STARTEDPEAK OUTDURATION
December 17, 20256,0224d 6h
May 14, 20242,6816h
March 9, 20211,6941h 15m
October 13, 20251,4905h
November 13, 20241,4843h 30m
See the biggest power outages in US history →
Natural hazards & outage risk
ELEVATED

Relatively Moderate wildfire exposure · 6.2 hrs/yr of outages over the last decade.

WildfireRelatively Moderate
All hazard rankings →

Power outages in Jefferson County: FAQ

How often does Jefferson County, MT lose power?
Based on EAGLE-I records, Jefferson County, MT logged 183 distinct outage events in 2025, averaging about 20.9 hours without power per customer over the year.
What was the worst power outage in Jefferson County, MT?
The largest tracked outage peaked at 6,022 customers without power, beginning December 17, 2025 and lasting about 4d 6h.
Is there a power outage in Jefferson County, MT right now?
No major outage is currently reported for Jefferson County, MT. Live coverage depends on whether local utilities report to ODIN.
ZIP codes in Jefferson County

Outages are tracked at the county level; these ZIP codes fall within Jefferson County.

59631, 59632, 59634, 59638, 59721, 59759

Machine-readable data: /api/v1/counties/30043 and /api/v1/counties/30043/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Montana customers).