Colder Weather Early This Week for Southwest Washington and Northwest Oregon

The Coast Range and Foothills may see 3 to 6 Inches of New Snow With 6 to 12 Inches in the Cascades

National Weather Service - NWS Portland

(SALEM, Ore.) - Colder weather early this week for southwest Washington and northwest Oregon with the potential for snow at the valley floor.

Another system will drop south out of British Columbia today bringing snow to the coast range foothills and Cascades this afternoon and tonight.

Snow levels will generally be between 1000 and 1500 feet but may fall to 500 feet in southwest Washington tonight.

winter weather advisories for this afternoon and tonight have been issued for the oregon cascades and foothills as well as the central coast range. a stronger system will drop south out of British Columbia on monday allowing more significant cold air to filter into southwest Washington and northwest Oregon.

Snow levels will lower to near the valley floor late monday afternoon through monday night with the potential for light accumulations as the system drops to the south. the coast may also see some snow by monday night. the best threat for significant low elevation snowfall will be in the gorge where 2 to 4 inches may fall.

The coast range and foothills may see 3 to 6 inches of new snow with 6 to 12 inches in the cascades. Lighter amounts are expected over southwest Washington with the heavier amounts further south. Low temperatures in the valleys are likely to drop into the 20s monday and tuesday nights with slow moderation to follow for the latter half of the week. After monday night it appears drier conditions are in store as high pressure builds over the region. Now would be a good time to make preparations for colder temperatures and possible snow in the lowlands.