A quick moving weather system will march across Central and Eastern Washington this morning bringing a band of rain along with it. By early to mid-afternoon, frontal precipitation will be spreading into the Idaho Panhandle. Places like Wenatchee, Omak, Grand Coulee, and Moses Lake will likely receive less than a tenth of an inch of rain this morning. By this afternoon, expect clearing skies with partly cloudy to mostly sunny conditions with afternoon high temperatures in the upper 40’s.
To kick off our weekend on Saturday, the Polar Jet Stream will retreat into Central and Southern British Columbia where moderate to locally heavy rain will fall north of the Canadian border. Bands of light rain are expected to spread across the Northern Cascades and into Northcentral Washington on Saturday with a 30% chance of rain and highs near 50 degrees.
On Sunday, weather models show a brief atmospheric river of moisture sagging south over the area especially Sunday morning bringing a 40% chance of rain. Mostly cloudy by afternoon on Sunday with very mild temperatures into the mid and upper 50’s.
The slow moving weather system will also bring a 20% chance of scattered showers both Monday and Tuesday of next week with high temperatures both days in the lower 50’s.
The latter half of the week on Wednesday and Thursday will be dry, sunny and slightly cooler with high temperatures back into seasonal normals in the mid to upper 40’s.