Precipitation will impact some of Northcentral Washington today into tonight, before things start to quiet down for Veterans Day on Wednesday. Benign weather this morning but as we head into afternoon, the unstable upper trough and a couple of mid-level shortwave disturbances track in. Columbia Basin and Wenatchee Valley weather today, cloudy with a 40% chance of showers this afternoon and high temps. in the mid 40’s.
By Wednesday morning the tail end of the upper trough shifts across eastern Washington and a ridge of high pressure starts to nudge in from the west bringing us sunny skies, light wind and afternoon high temperatures in the mid 40’s for Veterans Day.
Thursday will be the last day of dry weather before our next round of wintery weather systems move in Thursday night. Weather models agree that the Inland Northwest will remain dry, with cooler temperatures and light winds during the day with a 50% chance of a rain/snow mix by Thursday night with highs in the lower 40’s. Snow level Thursday night around 1200 feet.
The next weather system moving inland on Friday will be impactful bringing the chance for widespread precipitation and strong winds on Saturday. We will also see a minor warming trend will into the weekend with seasonal temperatures. These warmer temperatures will keep the precipitation Saturday mostly rain or a rain/snow mix in the lower elevations.
Forecast for Friday, Saturday and Sunday calling for cloudy skies with a 50% chance of rain all three days with afternoon high temperatures in the mid to upper 40’s. Expect windy conditions on Saturday as well 10-20 mph and gusty, especially in the Columbia Basin and Waterville Plateau.
The wet weather systems continue bringing more snow and rain on Monday as well with 40% chance of showers and highs in the mid 40’s.