A long wave trough will remain over the area but with limited moisture today and Wednesday resulting in dry conditions, slightly below or near normal temperatures and sunny skies. Northcentral Washington high temperatures today and Wednesday will be in the mid 70’s with light northwest winds. Normal high temperature for this time of year is 76 degrees.
Wednesday night through Monday, a progressive and unsettled weather pattern featuring a series of disturbances brushing or transiting the region will prevail through the extended period. The polar storm track will reside near or over the region bringing multiple opportunities for mountain showers with the basin under the highest threat of showers during the transit of a cold front Friday night and again with a possible deeper upper low transit on or about Sunday night or Monday.
Afternoon high temperatures Thursday and Friday near 70. We have a 30% chance of showers Thursday night and Friday with a 40% chance of rain on Friday night. Saturday will be our in-between weather systems day with mostly sunny skies and highs around 70.
Then by Sunday night, another weather disturbance will move in bring with it a 30% chance of rain Sunday night and Monday with highs remaining near 70.