Currently, weather satellite is showing a negative tilted trough beginning to press into the Inland Northwest in the Wenatchee and Moses Lake areas. Pockets of fog and freezing fog are also occurring across the Columbia Basin and Cascade Valleys. Precipitation with the system is expected to bring widespread rain to almost all of Northcentral Washington this morning through the middle of the afternoon. There is a 70% chance of rain mixed with snow in the Wenatchee Valley and Columbia Basin today with afternoon high temperatures in the mid to upper 30’s.
To start our weekend on Saturday, a ridge of high pressure is expected to begin to shift into the region behind today’s trough bringing us dry, possibly foggy conditions and cooler with highs tomorrow in the lower to mid-30’s.
The ridge moves east on Sunday but our weather will remain fairly quiet with mostly cloudy skies and afternoon highs in the upper 30’s.
Weather conditions will remain fairly quiet for most of Monday too with cloudy skies and highs in the upper 30’s.
By Monday night and right through Wednesday, weather guidance is still suggesting an atmospheric river moving into the Pacific Northwest. The southwest flow of air will also bring us unseasonably mild temperatures as we head into the middle of January.
Weather for Northcentral Washington is calling for a 40% chance of rain Monday night, a 50% chance on Tuesday and Tuesday night dropping to a 30% chance of rain on Wednesday with afternoon highs each day in the lower to mid-40’s.
A ridge of high pressure will strength for Thursday, with partly cloudy skies, dry conditions and afternoon highs in the lower 40’s.