Dry, sunny and unseasonably warm weather will persist across the Inland Northwest today as a high amplitude ridge of high-pressure traverses across the region. Northcentral Washington can expect partly cloudy skies for our Thursday, calm wind conditions and afternoon high temperatures in the upper 40’s to near 50 degrees. A weak weather system will also slide through the area today kicking up winds in the Columbia Basin to around 15-25 mph.
Increasing clouds throughout the day on Friday with west winds 10-15 mph, Wenatchee Valley high temperatures in the mid to upper 40’s.
Saturday into Sunday, the next period of unsettled weather arrives, and will come in the form of a couple of impulses. The first arrives during the day Saturday with cloudy skies and a 30% chance of rain with high temperatures remaining in the mid 40’s. The next weak wave of moisture arrives later in the day Saturday with a 40% chance of moisture with isolated showers continuing into Sunday morning. The Cascades could see heavy snow with this weather system where up to 12 inches of snow could fall.
Then Monday through mid-week, a high amplitude ridge of high pressure builds off the coast that will eventually nose inland by mid-week. This will lead to quieter weather with highs in the low to mid 40’s and low temperatures dropping to around 30 degrees.