Weather this morning features an occluded front bringing heavy snow to some areas and a misty rain and ice fog to other Northcentral Washington locations. There is moderate to high confidence for freezing rain primarily west of Davenport on Highway 2 and southward down to Odessa, Moses Lake, Royal City and into Quincy. Surface temperatures across this area looks to remain at or below freezing through much of this morning. Can`t rule out a short duration of freezing rain in the Wenatchee Area, Waterville Plateau and southern portions of the Okanogan Valley as well before temperature begin to warm up. Heavy snow has fallen in places like Mazama, Stehekin and Plain this morning. Expect decreasing shower activity in the Wenatchee Valley throughout the morning with mainly cloudy skies this afternoon with high temperatures in the mid to upper 30’s.
Beginning on Wednesday afternoon expect wet and mild weather as an atmospheric river of moisture takes aim on the Pacific Northwest with good tap of subtropical Pacific moisture along with it. The region will experience gradual warming seeing in the rise of temperatures and snow levels and the precipitation changing from snow to a rain/snow mix to rain across the lowlands. There is an 80% chance of rain on Wednesday with highs in the upper 30’s.
By Thursday, the Inland Northwest will be well entrenched in much warmer weather raising concerns about the possibility of lowland flooding because of increased moisture and rapid snow-melt. Expect a 70% chance of possibly heavy rain at times on Thursday with much warmer temperatures with afternoon highs in the lower to mid-40’s.
Friday through Monday, A series of weather disturbances line up across the Pacific and take aim on the region. The confidence with the timing of these features is lacking but confidence looks good that the unsettled pattern that will continue through the weekend and into early next week. There is a 70% chance of rain on Friday with highs in the upper 40’s. Expect a 50% chance of rain on Saturday and mild with afternoon high temperatures in the mid 40’s. The chance of precipitation goes down to a 20% chance on Sunday and Monday with highs in the lower 40’s and overnight lows in the mid 30’s.
The 8-14-day outlook keeps the Inland Northwest under a mild and unsettled weather pattern until the end of the month.