Expect fairly quiet weather conditions across Northcentral Washington today with partly cloudy skies for most of the day with increasing cloudiness late, afternoon highs this afternoon in the mid to upper 30’s.
The large storm system that is expected to bring significant winter weather to the region continues to makes its way across the Pacific this morning. It just south of the Aleutians moving east and entering the Gulf of Alaska. From early Friday morning to early afternoon a warm front comes in with deepening moisture. Light snow is expected to gradually increase from west to east throughout the morning hours. From early Friday afternoon through evening the precipitation rates increase and peak as the cold occlusion comes through. This is when localized snow rates of 1-2 inches per hour will be possible, centered around the evening commute. The Wenatchee Valley will see a 90% chance of snow with around 1-3 inches possible, high temperatures Friday in the lower to mid-30’s.
For the weekend on Saturday and Sunday, the area remains in an active west-northwest flow with shortwave storm systems pivoting around that will keep the occasional threat of snow alive, particularly through Sunday. There is a 30-40% chance of rain mixed with snow both days with afternoon high temperatures in the upper 30’s.
Temperatures are forecast to drop well below normal on Monday as much colder Canadian air makes its way in with temperatures expected to continue to drop Tuesday and Wednesday. Mostly cloudy for Monday with a 20% chance of snow and afternoon highs only in the lower 20’s. Most cloudy for Tuesday as well with a 30% chance of evening snow showers with afternoon highs only in the mid-teens with overnight lows in the lower single digits. Even colder for Wednesday, with a 30% chance of snow, afternoon high temperatures only around 10 degrees with overnight lows around 0.