The unseasonably warm temperatures gripping the West are forcing an early end to the ski season at several Lake Tahoe resorts, signaling a broader challenge for water resources and raising concerns about the potential for an early wildfire season in Nevada. Sierra-at-Tahoe announced Tuesday it will close for the season this Sunday, March 22, a decision underscored by near-record high temperatures and rapidly diminishing snowpack. The closures highlight how dramatically different this winter has been, and the implications extend beyond the slopes.
Resort operations director Bryan Hickman visually demonstrated the conditions in an Instagram reel posted Tuesday, standing before a hillside largely devoid of snow. “We’re currently seeing near record temperatures and as you can witness behind me, the snow is melting fast,” Hickman said in the announcement. The early closure of Sierra-at-Tahoe follows a similar decision by Homewood Mountain Resort, which ended its season earlier this week on Tuesday, March 17, due to the same factors. This situation is impacting recreation and raising questions about the region’s water future.
Reno and Lake Tahoe have experienced record-high temperatures for March, with readings reaching as high as 88 degrees this week in Reno. This warmth, coupled with a late-November freeze and a lack of substantial snowfall throughout the winter, has created an unprecedentedly mild season for Northern Nevada. Dawn Johnson, the warning coordination meteorologist with the National Weather Service (NWS) in Reno, described the current conditions as “look[ing] more like June than March” during a March 13 briefing about the heatwave and its potential impact on the region’s snowpack and water supply.
“We are pushing 25 degrees above normal,” Johnson stated. Prior to this year’s heatwave, the all-time record for March was 83 degrees. “We’ve never seen more than two days in a row of 80-plus degree weather in March.” The unusual warmth isn’t just a matter of comfort; it’s accelerating the snowmelt and altering the typical hydrological cycle of the region.
Snowpack Levels and Water Supply Concerns
The low snowpack is a significant concern for water managers throughout Nevada. Tim Bardsley, senior service hydrologist with the NWS in Reno, stated during a March 13 briefing that “we have almost certainly seen our peak” snowpack, meaning it is expected to remain stagnant or melt from this point forward. Typically, the snowpack peaks in late March to early April and melts through late spring to early summer. The early melt has left some watersheds “near or below 45-year record lows,” according to the NWS.
This early snowmelt creates a potential mismatch between when water is available and when it is needed. The NWS anticipates minor pockets of flooding as the existing snow melts, but the overall flood risk is reduced as much of the snow has already disappeared. However, Johnson warned that “the water needs are just not going to be there when it is needed,” potentially creating challenges for areas with limited groundwater and reservoir access.
Fire Season Outlook
While it’s too early to definitively predict the severity of the upcoming fire season, the conditions are raising concerns. Johnson noted that despite the lack of snow, precipitation has been near or above normal, resulting in significant grass growth. This abundant vegetation could serve as fuel for wildfires later in the year. The “wild card,” according to Johnson, is the incoming spring weather.
The combination of dry conditions and potential fuel load presents a complex scenario. While the early snowmelt reduces the immediate risk of large-scale snow-fueled runoff, it also extends the potential fire season and increases the risk of early ignitions.
Looking Ahead
The National Weather Service will continue to monitor conditions closely and provide updates on the snowpack, water supply, and fire risk. The next scheduled update from the NWS in Reno is expected in early April, providing a more comprehensive assessment of the situation as the snowmelt season progresses. Residents and stakeholders are encouraged to stay informed through official NWS channels and local emergency management agencies.
This unprecedented warmth and early snowmelt serve as a stark reminder of the changing climate and its impact on the Western United States. As Nevada prepares for a potentially challenging summer, proactive planning and water conservation efforts will be crucial.
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