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Mammoth Lakes Today
By the People, for the People
Unsettled Weather Ahead for Owens Valley and Mammoth Lakes
Forecaster Dennis Mattinson predicts a pattern shift to cooler temperatures and wetter conditions this week.
Apr. 7, 2026 at 12:34am
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As a Pacific storm system approaches the Owens Valley and Mammoth Lakes region, the landscape braces for a shift in weather patterns that could impact the area's water supply and tourism.Mammoth Lakes TodayAccording to Dennis Mattinson's weather forecast, the Owens Valley and Mammoth Lakes region will see a shift in the weather pattern starting on Thursday. A Pacific low-pressure system is expected to move into the area, bringing showers, thunderstorms, and light snow at higher elevations. This unsettled weather is predicted to continue through the weekend, though the exact amount of precipitation remains uncertain.
Why it matters
The Owens Valley and Mammoth Lakes area is heavily dependent on winter snowpack for its water supply and summer tourism. Shifts in the weather pattern can have significant impacts on the local economy and environment, making accurate forecasting crucial for the region.
The details
Mattinson's forecast calls for dry and moderate temperatures early in the week, with highs in the 80s in the Owens Valley and 60s in Mammoth Lakes. However, by Thursday, a Pacific low-pressure system is expected to move into the area, bringing showers, a few thunderstorms, and light snow at higher elevations like Mammoth. This unsettled weather pattern is predicted to continue through the weekend, though the exact amount of precipitation remains uncertain.
- Early this week, the Owens Valley and Mammoth Lakes region will see dry weather and moderate temperatures.
- On Thursday, a Pacific low-pressure system is expected to move into the area, bringing showers, thunderstorms, and light snow.
- The unsettled weather pattern is predicted to continue through the weekend.
The players
Dennis Mattinson
A weather and atmospheric forecaster for the Owens Valley, Mammoth Lakes, Mono County, and Death Valley regions.
What’s next
Mattinson will provide updates on snow levels and precipitation amounts in his forecast for the region on the following day.
The takeaway
The upcoming shift in weather patterns will be crucial for the Owens Valley and Mammoth Lakes area, which relies heavily on winter snowpack for its water supply and summer tourism. Accurate forecasting from experts like Dennis Mattinson is essential for the region to prepare for the changes in weather conditions.
