Current Outlook

11/29/2021 Warmer weather coming to an end with a cold front midweek

“Ridging in the Southwestern United States will continue to be the dominant player in the forecast for Washington this week. The strength and position of this pattern is expected to drive another atmospheric river into Northwest Washington and British Columbia Tuesday and Wednesday, bringing rain there with a chance of showers in mountains statewide. Unseasonably warm temperatures will come to an end for many Thursday and Friday as a colder airmass moves in for the weekend. Under a westerly to no..”
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Recent Outlooks

11/22/2021 Building ridge to dominate conditions, but rain and mountain snow remain in the forecast

“An incoming system is expected to bring low elevation rain and mountain snow into Tuesday. Aside from some lingering showers in the mountains, the daytime hours of Wednesday appear mainly dry before a new front comes ashore that evening. A building ridge across the Southwestern United States will change the trajectory of incoming systems to out of the west-southwest, bringing in warmer air and higher snow levels. Persistent rainfall and high elevation snow is possible for at least a portion of t..”
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11/15/2021 Cooler temperatures on the way with more activity before the weekend

“A cold front will cross Washington Monday, shifting rain back over the region, increasing wind speeds, and dropping snow levels. Some showers are expected to continue west of the Cascades into Tuesday but otherwise a drying trend is forecast into Wednesday. Thursday a new disturbance transits the region to bring a chance of rain and mountain snow statewide. A chance of rain continues through the weekend in Western Washington, but a building ridge makes dry weather appear more likely east of the ..”
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11/8/2021 Active pattern continues with repeated systems taking aim at the Pacific Northwest

“The next disturbance to impact the region will be a warm front spreading rain inland and rising mountain snow levels overnight. It will be quickly followed by a cold front by Tuesday morning to keep rain in the picture and bring snow levels back down to around pass level. Things dry out during the day Tuesday east of the Cascades. Despite a break between disturbances Wednesday, areas in and west of the Cascades are likely to continue seeing rain and mountain snow. ..”
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Washington State University