Live snowpack across the country.

# Arctic Alaska Braces for Significant Snowfall as Lower 48 Sees Modest Accumulation

Snow enthusiasts searching for fresh powder will want to turn their attention northward to Alaska's Brooks Range, where a potent weather system is poised to deliver the most substantial snowfall across the nation over the next 48 hours. While the Lower 48 has recorded minimal accumulation in the past day—just 2 inches at both Sawmill Ridge in Washington's Cascades and Vallecito in Colorado's San Juan Mountains—Alaska's remote northern reaches are forecast to receive up to 6 inches of new snow, accompanied by challenging conditions including freezing fog and mixed precipitation.

The most impressive forecast totals are concentrated along Alaska's North Slope corridor, with Imnaviat Creek leading the pack at 6 inches expected amid rain/snow mix and areas of fog. This high-elevation location in the Brooks Range sits at a modest 2-inch base but should see significant accumulation as temperatures hover near the freezing mark. Just to the south, Atigun Pass—the highest point on the Dalton Highway at elevation 4,739 feet—is tracking 4 inches of fresh snow despite challenging conditions including freezing fog that will create treacherous driving conditions for truckers servicing the North Slope oil fields. Even Prudhoe Bay, typically too cold and dry for substantial snowfall, could pick up 2 inches as moisture pushes northward from the Gulf of Alaska.

The contrast between Alaska's active pattern and the relatively quiet conditions elsewhere is striking. Washington's Sawmill Ridge, located in the Central Cascades east of Seattle, recorded 2 inches over the past 24 hours atop a healthy 170-inch base, though the forecast turns decidedly unsettled with thunderstorms threatening to switch precipitation to rain at higher elevations. Similarly, Colorado's Vallecito in the southwestern part of the state added 2 inches to its meager 3-inch base, but convective activity and thunderstorms will likely produce rain rather than snow in the coming days. For powder hounds seeking the deepest, freshest snow, Alaska's remote northern wilderness offers the nation's most compelling conditions this week, though accessibility remains a significant challenge for all but the most adventurous winter travelers and researchers monitoring Arctic snowpack development.