U.S. Snow Report Today

Nation Braces for Arctic Snowfall as Alaska Takes Center Stage

While the Lower 48 experiences a relatively quiet snow pattern with only modest accumulations reported in the Cascade and Rocky Mountain regions, all eyes are turning northward to Alaska's North Slope, where a significant winter weather event is poised to deliver the nation's most substantial snowfall over the next 48 hours. The past 24 hours saw minimal activity across the continental United States, with Sawmill Ridge in Washington's Cascades and Vallecito in Colorado's San Juan Mountains each recording just 2 inches of fresh snow—hardly enough to excite powder enthusiasts seeking deep conditions. However, forecasters are tracking a potent system moving across Alaska's Arctic region that promises to deliver dramatically different conditions.

The most impressive snowfall totals are expected along Alaska's Dalton Highway corridor, where Imnavait Creek is forecast to receive 6 inches of new snow accompanied by rain/snow mix and areas of dense fog. This represents the heaviest anticipated accumulation nationwide over the coming two days. Just south along the same critical transportation route, Atigun Pass—a notoriously treacherous mountain crossing at elevation 4,739 feet—is expecting 4 inches amid challenging conditions that include freezing fog and scattered precipitation.

These totals may seem modest compared to major Lower 48 storm events, but in the Arctic environment where temperatures hover near freezing and existing snow bases are thin (just 1-2 inches currently), this represents significant accumulation that will impact transportation and industrial operations.

Even Prudhoe Bay, situated at 70 degrees north latitude along the Arctic Ocean, is forecast to receive 2 inches despite transitioning to rain—a testament to the system's reach across Alaska's northernmost regions. The contrast between current conditions is striking: Washington's Sawmill Ridge maintains a healthy 170-inch base despite minimal new snow, while Colorado's Vallecito sits at just 3 inches total. For snow researchers and enthusiasts monitoring early-season patterns, this Arctic activity signals active weather along Alaska's North Slope while the continental ski resorts await more substantial systems.

The blusterous conditions accompanying Alaska's snowfall—including areas of freezing fog and mixed precipitation—create particularly hazardous travel conditions that will persist through midweek across this remote region.