The coldest air of the season so far is forecast by AccuWeather.com to roll into the Northwest this weekend, and it will be accompanied by snow in some areas.
The storm track will shift farther south in the Pacific this weekend. As it does, colder air will drain southward from British Columbia into Washington, Oregon and the northern part of Great Basin and Rockies.
While a great deal of moisture will not be available and it will not snow at the coast from Vancouver, British Columbia, to Seattle and Portland, it will snow at pass level and will bring the lowest snow levels of the season thus far.
Snow levels are forecast to dip to around 2,500 feet in the northern Washington Cascades and to around 4,500 feet in the Oregon Cascades.
Mount Shuksan with Picture Lake in the foreground, in Washington, during late October. (Image by KingWu, Photos.com)
A few inches of snow is likely over Stevens and Snoqualmie passes, which can stick to the roads from time to time Friday night into Monday.
The cold and snow may be enough to jump-start the ski season in the Cascades and also in the Canada Rockies.
Steady snow is possible much of the weekend in the Canada Rockies. Accumulating snow will stretch eastward reaching Edmonton, Alberta. The pattern may lend a clue for the upcoming winter in western Canada.
Along the coast, rounds of chilly rain showers are in store from British Columbia to Washington and Oregon.
During Monday and Tuesday of next week, cold rain will dip into northern California and snow is possible over the southern Cascades and the northern part of the Sierra Nevada.
Periods of soaking rainfall will drench portions of the northeastern United States from midweek through Friday.
A tropical wave is likely to become the Atlantic Basin's next tropical storm as it approaches or crosses the Caribbean Sea later this week.
The final day of September will bring a rare lunar event that hasn’t occurred since March of 2014, a Black Moon.
Typhoon Megi will threaten lives and property in eastern China into the middle of the week after slamming Taiwan.
Following some rain and gusty winds on Tuesday, a strong storm will target the United Kingdom on Thursday.
Gusty winds will accompany a push of chilly air across the Great Lakes through Tuesday.
Georgetown, GA (1822)
Hurricane killed 125 people.
South Carolina Coast (1893)
1,000 to 2,000 people died when hurricane battered coast.
Denver, CO (1936)
Early heavy snow of 21.3 inches at airport in 60-hour storm. Storm caused $7 million damage to trees and shrubs in Denver area alone.