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Mammoth Lakes Today
By the People, for the People
Late-Season Storm Fails to Offset Western Snowpack Deficits
Despite a powerful late-season snowstorm, the western U.S. still faces an early and severe wildfire season due to historically low snowpack levels.
Apr. 15, 2026 at 7:40pm
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As the West faces a severe snow drought, the looming threat of an early and ferocious wildfire season casts a somber shadow over the region's iconic mountain landscapes.Mammoth Lakes TodayA powerful late-season snowstorm dumped over 3.5 feet of snow in California's Eastern Sierra Nevada, briefly boosting the region's snowpack levels. However, the storm did not offset the significant snowpack deficits that have accumulated across the western U.S. over the past several months. With mountain snowpack levels still well below average, the West is bracing for an early and potentially ferocious wildfire season.
Why it matters
Low snowpack levels can lead to an earlier start to the wildfire season, as vegetation has more time to dry out without gradual mountain snowmelt. This is a critical concern for the western U.S., which has already seen over 1.4 million acres burned by wildfires in 2026, more than double the 10-year average. Drought conditions in the region have also severely depleted water resources, which could hamper large-scale firefighting efforts.
The details
The late-season storm briefly shut down Interstate 80 and allowed the Mammoth Mountain ski area to extend its season. However, as of April 7, Sierra snowpack levels were still only 11% of normal in the northern part of the range, 25% in the central part, and 28% in the southern part. While these numbers are higher than the record-low levels recorded before the storm, they remain concerningly low. Without sufficient snowpack, vegetation has more time to dry out, turning the landscape into a tinder box.
- On April 1, the Sierra snowpack stood at just 18% of the average for that date, the second-lowest reading on record.
- On March 20, over 1.4 million U.S. acres had been consumed by wildfire since the start of 2026, more than doubling the 10-year average.
- As of April 7, Lake Mead was 33% full and Lake Powell was 24% full, exacerbating the danger of an extended, severe fire season.
The players
California Department of Water Resources
The state agency responsible for monitoring and managing California's water resources.
National Interagency Fire Center (NIFC)
The nation's support center for wildland firefighting, providing national coordination and intelligence for fire management.
Mammoth Mountain
A ski area in Mammoth Lakes, California, that was able to extend its season due to the late-season snowstorm.
What’s next
Fire activity has since quieted down, but according to Drought.gov, an extended fire season remains a critical concern. The NIFC's outlook indicates strong potential for an early start to the season for parts of the West, particularly Northern California, Arizona, New Mexico, and West Texas.
The takeaway
This late-season storm may have given California's snowpack a boost, but on a regional scale, the summer ahead still looks alarming. With historically low snowpack levels across the West, states in the Intermountain region could struggle to protect communities and infrastructure due to extremely limited water resources for large-scale firefighting.
