U.S. Snow Report Today

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

Snow enthusiasts looking for the most promising conditions over the next 48 hours should turn their attention to Alaska's remote Arctic region, where a potent system is forecast to deliver the nation's most substantial snowfall. Imnaviat Creek leads the forecast with an impressive 6 inches expected, while Atigun Pass—the highest point along the Dalton Highway at 4,800 feet elevation—anticipates 4 inches amid challenging conditions of freezing fog and mixed precipitation. Meanwhile, the Lower 48 has seen only modest activity, with Sawmill Ridge in Washington's Cascade Range and Vallecito in Colorado's San Juan Mountains each recording 2 inches over the past 24 hours.

The developing Arctic storm system presents classic early-season characteristics, with areas of fog complicating travel conditions along Alaska's North Slope. Atigun Pass, a critical transportation corridor for Prudhoe Bay's oil operations, will likely experience the most treacherous conditions as scattered rain and snow mix with freezing fog, creating hazardous visibility for truckers navigating the remote highway. Even Prudhoe Bay itself, situated at sea level along the Arctic Ocean, expects 2 inches of accumulation despite temperatures hovering near the rain-snow threshold.

This system's moisture trajectory suggests a broad swath of the Brooks Range will benefit from accumulating snow, though the mixed precipitation line remains a concern for lower elevations.

In contrast, the Pacific Northwest and Rocky Mountain regions are experiencing relatively quiet patterns despite yesterday's minor accumulations. Sawmill Ridge's 2-inch report from a 170-inch base indicates Washington's Cascades are maintaining deep snowpack but lacking fresh powder. Colorado's situation appears less favorable, with Vallecito reporting just a 3-inch base—concerningly low for this time of year—though afternoon thunderstorms may produce localized heavy bursts of wet snow at higher elevations.

For powder hounds seeking deep, fresh conditions, Alaska's remote north clearly offers the most compelling opportunity, though accessibility remains challenging. The Brooks Range lacks developed ski infrastructure, making this significant snowfall event primarily relevant for backcountry enthusiasts, researchers, and those monitoring seasonal snowpack development across America's Arctic frontier.