Chilly temps will stick around, but should remain dry through week | Weather

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Chilly temps will stick around, but should remain dry through week
Chilly temps will stick around, but should remain dry through week

The fog was thick again this morning in pockets, especially in the Northwest Interior.  With lows there at or below freezing, areas of black ice could be found on area roadways.   Be careful if you encounter some fog today...chances are it could be slickening up the roadway!
Other than that, things are still VERY quiet around her for early December.  That massive ridge of high pressure is still parked over the Pacific:  it keeps the storms out of our way, and also keeps things rather chilly.  Highs today will max out in the low to middle 40s, and skies will range from mostly sunny to mostly cloudy.  The beaches and mountains will enjoy quite a bit of blue sky, but the Sound Sound in particular will likely hang on to more stubborn cloud cover.  But overall, it will still be a great day for outdoor activities, especially if heading to the Christmas tree lots (or farms!) is on your to-do list this afternoon.
This pattern holds through at least Monday, so the stagnant air will not be able to mix out through at least that point.  An Air Stagnation Advisory continues for most of Western Washington. There is some hope that a weak disturbance will brush us by late Tuesday and into early Wednesday.  This will provide a bit of 'atmospheric mixing', and could temporarily wipe out the inversion, allowing air quality to improve.   Highs will stay in the middle to upper 40s, so the stray showers will stay in the form of rain instead of snow.  The best chance of showers will be on Wednesday, but they will be spotty and shouldn't amount to much.
The stubborn ridge, though, won't give up that easily, and tries to hang on until at least the end of the week.  More murky, mostly cloudy days and nights will be the result.  Lows will stay near freezing, and highs will max out only in the low 40s.
By Saturday, we should finally get the ball rolling with wetter weather moving back in our direction.  All the more reason to hunt down the perfect Christmas tree in the next day or two!
Have a good night,
Meteorologist Shannon O'Donnell
The KOMO4 Forecast Team