AgWeatherNet Weekly Weather Outlook for November 24 to November 30, 2011

Rain and Wind in Western Washington and Mostly Dry and Cooler in Eastern Washington on Thanksgiving Day

Nic Loyd, Meteorologist, 509-786-9357
Gerrit Hoogenboom, Director, 509-786-9371

Rain will fall on Thanksgiving Day in western Washington with showers overnight, followed by drier conditions on Friday. While rain is likely Thanksgiving night in eastern Washington in the Pullman area, most areas of central Washington will have only a slight chance of rain Thursday night. Thursday and Friday will be cooler with highs generally in the 40s to around 50 and lows in the 30s. A system will pass through Washington this weekend, with rain likely in northwest Washington on Saturday and spreading southward into all of western Washington Sunday, although many areas east of the Cascades will be dry for most of the weekend. Next week will likely feature a broad ridge of high pressure and strengthening low level inversions with dry conditions and above normal temperatures in the mountains. The lowlands may be only slightly warmer than normal due to the potential for low clouds next week, along with poor air quality and limited mixing. Although there may be a period of "the grey days of winter", there is no cold, arctic air headed for Washington through at least the end of next week.

Important Points about the Thanksgiving Holiday Weekend Weather

South Central Washington
  • Normal conditions for this time of year would be highs in the mid 40s and lows in the upper 20s to low 30s.
Thanksgiving Day through the Weekend
  • A slight chance of rain Thanksgiving evening and cooler Thursday/Friday, with highs in the mid to upper 40s in the Yakima area to the low 50s in the Tri-Cities and Walla Walla areas, and lows in the low 30s in the Yakima area and 35 to 40 in the Tri Cities and Walla Walla areas.
  • Cold Saturday morning and then warmer with a slight chance of rain over the weekend but mostly dry and warming by Sunday into the 50s to low 60s with lows in the 30s to low 40s.
Next Week
  • Mostly dry conditions with strengthening inversions possibly causing increasing low clouds later in the week with highs in the 40s to around 50 and lows in the upper 20s and 30s.

North Central Washington
  • Normal conditions for this time of year would be highs in the upper 30s and lows in the mid to upper 20s.
Thanksgiving Day through the Weekend
  • A slight chance of rain or snow Thanksgiving evening and cooler Thursday/Friday, with highs in the upper 30s to mid 40s and lows in the upper 20s to low 30s through Saturday morning.
  • Cold Saturday morning and then warmer with a slight chance of rain or snow over the weekend, but mostly dry with highs warming into the 40s by Sunday and lows around 30.
Next Week
  • Mostly dry conditions with strengthening inversions possibly causing increasing low clouds later in the week with highs in the upper 30s to low 40s and lows in the mid 20s to low 30s.

Eastern Washington
  • Normal conditions for this time of year would be highs around 40 and lows in the upper 20s.
Thanksgiving Day through the Weekend
  • Showers likely Thanksgiving evening, and cooler with highs in the mid 40s Thursday and around 40 Friday and lows in the low to mid 30s except upper 20s Saturday morning.
  • A chance of rain on Sunday with highs warming to around 50 by Sunday and lows in the low to mid 30s.
Next Week
  • Cooler Monday and then warmer later in the week.
  • Mostly dry conditions and warming by mid week with highs into the 40s to around 50 and lows in the low 30s.

Western Washington
  • Normal conditions for this time of year would be highs in the upper 40s and lows in the mid to upper 30s.
Thanksgiving Day through the Weekend
  • Rain Thanksgiving Day and showers overnight, and then dry on Friday, and cooler with highs in the mid to upper 40s and lows in the mid 30s to low 40s.
  • A chance of rain especially in the north Saturday and then rain likely Sunday with highs in the upper 40s and low 50s and lows in the upper 30s to mid 40s.
Next Week
  • Cool Monday and then warmer later in the week.
  • Highs in the mid 40s to mid 50s with lows in the mid 30s to low 40s.
Washington State University