Posted: June 13th, 2018
by meteorologist Jim Woodmencey
Looks like we will be saying goodbye to the totally sunny days we have had lately. After a week or more of nearly perfect weather to begin the month of June 2018, we can expect some changes at the end of this week and through the Father’s Day Weekend.
Here is Wednesday morning’s weather map:
The big blue “H” (High pressure) that has been parked over the Western U.S. & Rockies and kept the atmosphere dry and stable, is beginning to break down. That will be replaced by a Low-pressure system that will move inland the next few days & hang out over the Great Basin into early next week.
That will lead to some showers & thunderstorms around many areas of the West, including Western Wyoming and the Jackson Hole area beginning as early as Thursday afternoon/evening and then each day thru Sunday, Father’s Day.
Here are the general Forecast Maps for the USA for Thursday & Friday: