Weather 10-26-20

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A weak ridge of high pressure will build in over the Inland Northwest through this week bringing a slow warm-up to the state. The Columbia Basin and Wenatchee Valley is expected to see enough clearing at night that I think the ground will radiate out enough for fog to begin developing by Wednesday and Thursday morning. Northcentral Washington weather for today through Thursday calling for morning fog giving way to partly to mostly sunny skies each day with afternoon highs warming, first in the mid to upper 40’s Monday through Wednesday then, into the mid and upper 50’s on Thursday.

The ridge begins to break down on Friday as a trough and its associated cold front begin to push into the Pacific Northwest. Rain and snow showers look to remain confided to the higher mountainous regions, with little to no precipitation expected for lower lying areas. Friday weather calling for partly to mostly cloudy skies with just a 20% chance for a scattered shower or two with afternoon high temperatures mainly in the upper 50’s.

After the trough exits the area early Saturday morning, the Pacific Northwest will remain in a primarily zonal flow through the weekend into early next week. Skies will partly to mostly cloudy, and temperatures will be normal for late October/early November with highs in the 50s and lows in the upper 30’s to near 40 degrees.