U.S. Snow Report Today

Arctic Alaska Prepares for Significant Snowfall as Lower 48 Sees Modest Activity

Snow enthusiasts looking for the most impressive winter weather action should turn their attention northward to Alaska's North Slope, where a potent system is poised to deliver the nation's most substantial snowfall over the next 48 hours. While the Lower 48 has recorded only modest accumulations in the past day—with Washington's Sawmill Ridge and Colorado's Vallecito each measuring 2 inches—Alaska's remote northern reaches are forecast to receive up to 6 inches at Imnaviat Creek, making it the clear winner for those seeking fresh powder and blustery conditions.

The past 24 hours have been relatively quiet across the continental United States, though two distinct regions managed to pick up minor accumulations. In Washington's Cascade Range, Sawmill Ridge added 2 inches to its already impressive 170-inch base depth, though current conditions show hazy skies with thunderstorm potential—an unusual mix that speaks to transitional spring weather patterns. Meanwhile, Colorado's Vallecito in the San Juan Mountains also recorded 2 inches, but with a meager 3-inch base and thunderstorms in the forecast, the snow quality and longevity remain questionable for backcountry enthusiasts.

The real story unfolds along Alaska's Dalton Highway corridor, where a moisture-laden system is bringing a classic mix of rain and snow to the Brooks Range and North Slope. Imnaviat Creek leads the forecast with 6 inches expected amid rain/snow mix and areas of fog—conditions that will create challenging visibility but exceptional snow accumulation for researchers and workers in this remote region. Just south, Atigun Pass, the highest point on the Dalton Highway at 4,739 feet, is tracking 4 inches with freezing fog adding to treacherous driving conditions.

Even Prudhoe Bay on the Arctic coast, typically too cold and dry for significant snowfall, could see 2 inches with a rain/snow transition. These totals are particularly impressive given the existing minimal base depths of 1-2 inches, effectively multiplying the snowpack several times over. For those monitoring Arctic weather patterns or working in Alaska's oil fields, this system represents a significant early-season event that will dramatically transform the landscape.