Dec 17, 2025 – NWS reports winds ease across western Washington as a cooler pattern settles, snow levels drop and 5‑10 inches of snow are forecast for Snoqualmie and Stevens Pass Wed‑Thu; an atmospheric river expected Thursday brings ~0.5‑2 inches of rain to lowlands and 1‑2 inches of snow to the mountains, while saturated soils keep landslide and power‑outage risks high[12].

Dec 19, 2025 – NWS issues winter‑storm warnings for Washington, Oregon, Idaho, Montana and Wyoming, projecting up to three feet of snow and gusts to 60 mph; warnings run from Friday morning to Saturday afternoon, with the Cascades passes, Sawtooth Basin and Absaroka/Beartooth ranges highlighted for severe impacts[2].

Dec 20, 2025 – Heavy mountain snow falls across the Cascades ahead of Christmas, delivering 18 inches at Stevens Pass and 10 inches at Snoqualmie Pass; forecasters expect an additional 8‑12 inches through Sunday, with cumulative totals of ~1 ft at lower passes and 2‑3 ft at Mount Baker and Paradise by Tuesday, prompting travel warnings for Sunday night[11].

Dec 27, 2025 – Light snow lingers in the Puget Sound convergence zone into Saturday morning, producing up to 2 inches in Snohomish and King counties and 10‑14 inches at mountain passes; a dry, cold‑night ridge holds through Monday before a new system approaches late Wednesday or Thursday with gradual warming[9].

Dec 27, 2025 – NWS issues a Winter Weather Advisory for Cascade passes through 4 a.m. Saturday, noting snow levels dropping to ~2,500 ft and 6‑12 inches of snow across Snoqualmie, Stevens and other passes; officials warn travel could be “very difficult to impossible” and advise motorists to carry emergency kits and monitor road conditions[10].

Jan 5, 2026 – NWS issues a Winter Storm Warning for the Cascade Range, forecasting 2‑4 ft of snow from Tuesday to Thursday, low‑land rain of 0.5‑1 inch and wind gusts up to 35 mph; avalanche danger rises to “considerable” above 5,500 ft and drivers are urged to carry flashlights, food, water and check pass reports[8].

Jan 6, 2026 – NWS expands winter‑storm warnings to Washington, Oregon, Alaska, Idaho and Montana, with up to 35 inches of snow in higher terrain, winds of 45‑60 mph, and travel advisories stating “travel could be very difficult to impossible,” urging motorists to delay trips and keep emergency supplies in their vehicles[1].

Jan 29, 2026 – Snowpack across the Cascades remains far below normal despite recent snowfall, with 2‑3 inches added at Stevens Pass, 1‑2 inches at Snoqualmie Pass, and Oregon’s statewide snowpack at its second‑lowest level since 1981; SNOTEL data show deep deficits in central and southern Cascades, raising concerns for spring streamflow[7].

Feb 18, 2026 – Washington’s statewide snowpack sits at roughly 65 % of average, with elevations 3,000‑5,000 ft at only 40 % of typical depth, especially low at Snoqualmie Pass, while British Columbia’s snowpack also lags; models predict more snow but prevailing winds limit capture, and a weak La Niña shifts toward neutral, giving a 50‑60 % chance of a weak El Niño next winter[6].

Feb 22, 2026 – NWS issues a wind advisory for Snohomish, King and Pierce foothills until 10 a.m. Sunday, with east‑to‑southeast winds of 15‑25 mph and gusts up to 45 mph, and warns that dropping snow levels Sunday evening could impede mountain‑pass travel[3].

Feb 22, 2026 – Forecasters anticipate a week‑long series of storm systems battering western Washington, with a wind advisory for the San Juan Islands (gusts up to 45 mph) and a Winter Weather Advisory for the Cascades from Sunday night to Monday afternoon; snow levels are expected to fall to 2,500 ft by Wednesday and several feet of mountain snow should continue through the week[4].

Feb 22, 2026 – The offshore storm expected to linger brings rain and mountain snow, with low‑elevation highs in the low 50s °F, snow levels near 4,000 ft early in the period dropping to 2,500 ft by mid‑week, and total rainfall of 1‑3 inches at lower elevations, prompting residents to monitor updates as unsettled conditions persist into mid‑week[4].