Nevada Power Outage Season
When outages happen most in Nevada, and what to expect.
July is historically Nevada's busiest month for recorded power outages, part of a summer season (June–August) that accounts for about 35% of all recorded outages statewide, averaging 2.9 hours per event. 2 of Nevada's 15 tracked counties currently carry a Reliability Grade of F.
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Nevada outages by month
Total recorded events and average duration per event, summed across every tracked county in Nevada.
Peak season insight
Nevada's outage season runs June–August, accounting for 35% of all recorded outages. July has the highest frequency.
Month-by-month data table
| Month | Events | Avg duration |
|---|---|---|
| January | 661 | 3.3 hrs |
| February | 645 | 3.0 hrs |
| March | 727 | 3.0 hrs |
| April | 758 | 2.7 hrs |
| May | 854 | 2.8 hrs |
| June | 1,192 | 2.3 hrs |
| July | 1,409 | 2.5 hrs |
| August | 1,057 | 2.7 hrs |
| September | 803 | 3.4 hrs |
| October | 875 | 3.1 hrs |
| November | 781 | 2.9 hrs |
| December | 771 | 3.1 hrs |
This month in Nevada
October has historically recorded 875 outage events across Nevada, below the state's typical monthly average. Outages that start in October have averaged 3.1 hours.
Main causes by season
Named storms behind Nevada's worst recorded outages, from the NOAA Storm Events Database.
Winter (December–February)
- Heavy Snow
- High Wind
- Thunderstorm Wind
Spring (March–May)
- Heavy Snow
- Funnel Cloud
- High Wind
- Flash Flood
Summer (June–August)
- Flash Flood
- High Wind
- Excessive Heat
- Heavy Rain
- Hurricane John
Fall (September–November)
- Flash Flood
- High Wind
- Heavy Rain
- Thunderstorm Wind
- Winter Weather
Nevada's worst outage events on record
The five largest outages in Nevada by duration and customers affected.
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jan 1, 2023 | 125 hrs | 49,287 (20%) | Heavy Snow |
| Jun 6, 2025 | 162 hrs | 32,454 (13%) | Heavy Rain |
| Aug 12, 2018 | 57 hrs | 54,821 (5%) | Hurricane John |
| Mar 30, 2017 | 46 hrs | 48,852 (5%) | High Wind |
| Nov 10, 2015 | 53 hrs | 35,926 (14%) | Winter Weather |
Highest-risk counties in Nevada
Lowest reliability percentile among Nevada's tracked counties.
| County | Grade | National percentile |
|---|---|---|
| Lander County | F | 16th |
| Esmeralda County | F | 17th |
| Mineral County | D | 20th |
| Humboldt County | D | 30th |
| Douglas County | D | 35th |
Live weather alerts for Nevada
There are no active National Weather Service alerts for Nevada right now.
These live alerts come from the National Weather Service. They are public-safety information, not an outage prediction.
Nevada power outage FAQ
When do power outages happen most in Nevada?
July is historically the busiest single month for recorded outages in Nevada, and Summer (June–August) accounts for about 35% of all recorded outages across the state.
How long do power outages in Nevada typically last?
Across Nevada's tracked counties, the average recorded outage lasts about 2.9 hours, though individual events -- especially named storms -- can run much longer.
Which counties in Nevada have the highest outage risk?
Lander County, Esmeralda County, Mineral County, Humboldt County, Douglas County currently rank lowest for reliability in Nevada. See each county's page for its full history.
Does this page predict a power outage in Nevada?
No. It describes patterns in recorded county-level outage history, not a guaranteed future event. Check the live National Weather Service alerts below for current conditions.
Prepare for Nevada's outage season
Sized for Nevada's recorded outage frequency and duration.
