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Wintry weather forecast through the week

Wintry weather forecast through the week

by KGW Meteorologist Rod Hill

Bio | Email | Follow: @kgwrodhill

Posted on December 10, 2013 at 8:38 AM

Updated Wednesday, Dec 11 at 2:11 AM

PORTLAND -- Flurries and a dusting of snow fell across the Portland Metro area overnight. The wintry moisture was produced as warmer air from the west rides over the lower, cold Arctic air.

The moisture flow continues to be very shallow, meaning total precipitation will continue to be a trace or slightly more throughout the day.

Forecast models show mostly dry weather later Tuesday evening, Wednesday and early Thursday.  But as the air mass overhead continues to slowly warm, light showers may develop. 

If showers develop, temperature profiles would produce the following:

  • Tuesday afternoon and evening:  Light rain or sleet showers
  • Wednesday morning:  Light freezing rain
  • Wednesday afternoon:  Rain showers with above-freezing temps
  • Thursday morning:  Freezing rain
  • Thursday afternoon:  Rain is likely, with temps near 40 degrees as a cold front arrives.

Thursday's rain should scour out the cold air and return our weather pattern to normal with mild Pacific air and rain at times.

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