Monday Evening Forecast for 8-13

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Chief Meteorologist Justin Stapleton’s Monday Forecast Discussion

Another hot one to start the work week as inland temperatures reached the mid 90s and that’s going to be out story for the rest of the forecast. Overnight lows tonight will hold in the low 50s in the valley and upper 50s in the Umpqua, but watch those also climb as we hit our warmest stretch of weather this year.

A weak upper level disturbance will swing across Washington tonight and tomorrow, pushing the cooler marine clouds in tomorrow in the morning and again on Wednesday. Because of that, I’m expecting highs to dip only slightly tomorrow back into the upper 80s and low 90s. By Wednesday, highs rebound back into the low to mid 90s even with the morning clouds.

By Thursday and Friday, a strong ridge of high pressure builds across the Northwest,  while a “heat low” or thermal trough will move in from California. Those conditions combined will bring some major heat- highs back up close to 100 degrees on Thursday and Friday inland and mid 70s at the coast!

The intense heat back off some for the weekend but it’s still going to be an overall scorcher of a work week. In addition, our air quality will continue to suffer in the “moderate” category likely for the next few days.


Have a great Tuesday!

Chief Meteorologist Justin Stapleton

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