Incoming rain, snow for West after most intense March heat wave ever still won’t fix unprecedented snowpack

After weeks of a vigor dome parked implicit the West, driving temperatures to record-highs crossed aggregate states, the vigor eases up and rainfall and snowfall are connected the mode for the archetypal portion of April.

The West has recorded snowfall levels acold little than accustomed this year, and back-to-back storms from atmospheric rivers successful January and February were expected to assistance summation snowpack successful the mountains.

Across the West, upland snowfall typically begins accumulating successful September and October, peaking astir April 1, earlier ending successful May. 

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When early-season snowfall stopped falling from aboriginal January to aboriginal February, those back-to-back storms brought insignificant relief, bringing immoderate anticipation for a much robust betterment since determination was inactive clip for the snowfall play to peak.

However, erstwhile the vigor dome settled implicit California, Arizona, Nevada and Colorado successful aboriginal March, it conscionable stayed there, breaking hundreds of regular somesthesia records and melting a batch of the snowfall for weeks straight.  

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Big Bear, CA - December 21:  People skis and snowboard astatine Bear Mountain Ski Resort connected Sunday, Dec. 21, 2025 successful Big Bear, CA. 

(Eric Thayer / Los Angeles Times / Getty Images)

This has near the snowpack astatine shockingly debased levels. In a emblematic season, snowfall melt continues done precocious May. 

But this play is acold from typical. Basins crossed the southwest are reporting the snowpack to beryllium little than 10% of average. 

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Along the Upper Colorado River, the snowpack has wholly melted, astatine 0% of average, according to the FOX Forecast Center. 

The FOX Forecast Center warned that the deficiency of h2o from the snowpack could nonstop Lake Mead and Lake Powell, 2 large reservoirs located successful Nevada, Arizona and Utah, to remarkably debased levels.

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Additionally, accelerated snowfall melt could pb to drought conditions and accrued occurrence upwind hazard crossed the West. 

Thankfully, the record-breaking vigor dome gives mode to cooler, wetter conditions for the extremity of March and opening of April. 

Through the archetypal week of April, astir 1-3 feet of snowfall could autumn connected the upland peaks of the West, with little accumulation astatine little elevations. 

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While it is helpful, these upcoming snowfalls won't bash overmuch to assistance the 10-20 ft snowfall deficit, the FOX Forecast Center said. 

The archetypal circular of rainfall and snowfall moves into the Northwest and Northern Rockies connected Monday. On Tuesday, the snowfall volition propulsion further southbound into Colorado and Utah. 

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The FOX Forecast Center said connected Wednesday a 2nd strategy volition determination successful close connected its heels and whitethorn linger into Easter weekend.