Weather 2-17-21


A high-pressure ridge currently just off the coast will shift inland and move across Central and Eastern Washington later today and tonight. Much of the Inland Northwest is expected to see clearing skies with sunny conditions today.

Northcentral Washington weather today, sunny skies with a light west wind and warmer with afternoon highs in the upper 30’s to lower 40’s.

Another storm system is forecast to bring widespread precipitation beginning late Thursday into early Friday morning. The heaviest snowfall looks to be across the Cascades though light snowfall amounts will be possible across Northcentral Washington as well. Thursday weather calling for cloudy skies, a 60% chance of snow by late afternoon into Thursday night with high temperatures tomorrow in the lower to mid-30’s.

A zonal west-to-east air flow pattern will be in place over the region on Friday through next Tuesday and will pull a steady, weak atmospheric river over the Inland Northwest and unseasonably warm temperatures throughout the forecast period.

Forecast for Friday calling for mostly cloudy skies, a slight chance for an isolated sprinkle with afternoon highs in the lower 40’s.

Partly cloudy skies and warmer for Saturday with a 20% chance for a sprinkle or two with highs in the mid 40’s.

By Sunday and Monday, that atmospheric river begins to bring some moisture into Northcentral Washington with a 40% chance of rain both days and unseasonably warm temperatures with afternoon highs in the upper 40’s on Sunday and the lower to mid-50’s on Monday. Monday is also expected to breezy with weather models putting wind gusts across the Columbia Basin reaching into the 40 MPH range.

Sunny, dry and unseasonably mild temperatures for Tuesday with afternoon highs in the upper 40’s.