AgWeatherNet Weekly Weather Outlook for December 8 to December 14, 2012

Cold This Weekend and Briefly Warmer Early Next Week

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

Cool weather this weekend will gave way to slightly milder weather by early next week, especially in the mountains. Weak systems will brush the area through early next week, although generally light precipitation amounts are expected. The flow will be northwesterly, although a ridge will try to build into Washington starting on Sunday. Another stronger storm and cold front should affect the region starting late on Tuesday. Overall, it will be a cooler and a more seasonal week compared to the mild weather that has dominated since the end of October.

Temperatures
  • Generally seasonal.
  • Cool this weekend.
  • Warming early next week, especially at higher elevations.
  • Cooler again later next week.

Rainfall
  • Light rain possible at times in western Washington through early next week.
  • A slight chance of rain, snow, or mix at times east of the Cascades.
  • A storm with rain and snow is likely around Tuesday and Wednesday.

Wind
  • Breezy around the middle of next week.

Frost Risk Summary
  • This weekend through next week: Generally high risk.

8 to 14 Day Outlook - December 15 to 21
  • A cool and unsettled week is possible during this period.

Important Points about Next Week's Weather

South Central Washington
  • Normal conditions for this time of the year would be highs in the mid 40s and lows in the upper 20s to around 30.
Weekend
  • A slight chance of rain or snow.
  • Highs in the upper 30s to mid 40s on Saturday, and 30s to low 40s on Sunday.
  • Lows in the 20s to mid 30s.
Next Week
  • A chance of rain or snow, especially around Tuesday or Wednesday.
  • Highs in the mid 30s to 40s, and then cooler late in the week.
  • Lows in the upper 20s to mid 30s, and then cooler late in the week.

North Central Washington
  • Normal conditions for this time of the year would be highs around 40 and lows in the mid to upper 20s.
Weekend
  • A slight chance of rain or snow.
  • Highs in the mid to upper 30s on Saturday and upper 20s to mid 30s on Sunday.
  • Lows in the 20s.
Next Week
  • A chance of snow or rain, especially around Tuesday or Wednesday.
  • Highs in the mid 30s to low 40s, and then cooler late in the week.
  • Lows in the upper 20s to mid 30s, and then cooler late in the week.

Eastern Washington
  • Normal conditions for this time of the year would be highs in the low 40s and lows in the upper 20s to around 30.
Weekend
  • A chance of rain or snow.
  • Highs in the low to mid 30s.
  • Lows in the 20s.
Next Week
  • Rain or snow likely by late Tuesday or Wednesday.
  • Highs in the mid 30s to low 40s, and then cooler late in the week.
  • Lows in the upper 20s to mid 30s, and then cooler late in the week.

Western Washington
  • Normal conditions for this time of the year would be highs in the upper 40s to around 50 and lows in the upper 30s.
Weekend
  • A chance of light rain at times.
  • Highs in the 40s to around 50.
  • Lows in the 30s to low 40s.
Next Week
  • A chance of rain early in the week, and then rain likely by Tuesday or Wednesday.
  • Highs in the mid 40s to low 50s, and then cooler late in the week.
  • Lows in the mid 30s to mid 40s, and then cooler late in the week.

Washington State University