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.
Many areas in the Eastern states will have consistent summerlike heat and a buildup of humidity for the last week of May.
Severe storms continue to impact portions of the southern Plains after erupting over the region Monday afternoon.
Torrential rain and strong thunderstorms pushed across the southern Plains over the weekend, spawning tornadoes and dangerous flash flooding from Kansas to Texas.
Severe storm- and flood-weary residents of Texas and the southern Plains will soon get a break as a change in the weather pattern develops.
While California usually offers ideal growing conditions for one of America's trendiest foods, the drought has avocado farmers concerned about future production.
Several disturbances pose the threat to become the first named tropical system in the Eastern Pacific Ocean this week.
Erie, PA (1991)
One-half inch of rain fell in only 5 minutes.
A tornado of long duration was observed for 7 hours and 20 minutes and was said to extend 293 miles. The storm struck Mattoon and Charleston, killing 70 people.
New England (1967)
(25th-26th) Coastal New England battered by a great Nor'easter. Winds mounted to 70-80 mph on the coast. Blue Hill had sustained winds of 60 mph and Logan had sustained winds of 50 mph. Lowest pressure of 29.30" was measured over the ocean; 5-10" of snow fell in the Berkshires with considerable damage to the tobacco crop in the Connecticut River Valley. Temperature dropped to 31 degrees at Pittsfield on the 30th for a remarkable end of May freeze.