The long-fetch of moisture associated with the atmospheric river is underway across the Inland Northwest and will continue through late tonight. Heavy, wet snow and moderate rain are the concerns today and tomorrow, with strong winds developing late Tuesday through Wednesday. Impacts of concern include localized flooding in poor drainage areas and the potential for rock/landslides and localized power outages and tree damage with the strong winds Wednesday. Precipitation began to really blossom late last evening and continues to push through central and eastern Washington early this morning. Several locations from Wenatchee to Omak have seen about 0.25-0.40″ of precipitation in 6 hours.
Northcentral Washington weather for today, cloudy with an 80% chance of rain mixed with snow, afternoon highs will be mild into the upper 30’s to lower 40’s.
As this weather system pulls away from our area tonight, the surface pressure gradient begins to tighten with very windy and warm conditions expected for Wednesday, Forecast tomorrow calling for mostly sunny skies and windy out of the west 20-25 mph with gusts as high as 33 mph, highs in the lower to mid-40’s.
Then Thursday a ridge of high pressure will build over the Pacific Northwest giving us a break from the wet weather right through the weekend and into Martin Luther King Day on Monday. Weather forecast Thursday through Monday calling for partly to mostly cloudy skies with afternoon high temperatures in the upper 30’s to lower 40’s.