A wintry cold blast that has already triggered snow in a wide area of Europe will spark outbreaks of heavy snow in the west by midweek.
Much of France will be subject to snow, as will areas as far-flung of northern Spain and eastern Great Britain, between Tuesday and Thursday. Up to 6 inches of snow will blanket Paris by Thursday, for instance.
Locally, snow will fall heavily, bringing disruption to air and ground traffic.
Recent days have had up to a foot of new snow from eastern Scotland to northeastern England, owing mostly to an abnormally cold, damp wind flow off the North Sea.
On Monday, new snowfall of 10 inches mantled Poprad, Slovakia, as a wintry storm tracked across central Europe into eastern Europe.
Philadelphia faces not one, but two days of drenching and severe thunderstorms early this week.
The terrain of Stage 10 of the Tour de France is not the only obstacle cyclists face.
New York City faces not one, but two days of drenching and severe thunderstorms early this week.
The 2014 Open Championship begins Thursday, July 17 and lasts through Sunday, July 20.
The first part of this week will feel more like September than the middle of July, typically the hottest time of year, throughout the Midwest.
The hot weather seen across the Northwest over the weekend will carry over into the new week, continuing the risk of heat-related illness.
New Jersey, NY (1895)
Cherry Hill Tornado in North Jersey caused $50,000 damage; funnel then descended at New York City in Harlem and Woodhaven, where one was killed; ended as a waterspout in Jamaica Bay; New York City damage totalled $43,000. Note: This is not the Cherry Hill in South Jersey.
Mississippi Valley & Great Lakes (1936)
Searing heat across the Upper Mississippi Valley and the Great Lakes: Evansville, IN 107 degrees Alpena, MI 104 degrees Grand Rapids, MI 108 degrees St. Cloud, MN 107 degrees Wisconsin Dells, WI 114 degrees; all-time record. Green Bay, WI 104 degrees Fort Francis, ONT. 108 degrees; highest ever in Ontario Province. Mio, MI 112 degrees, all-time high in state.
The East (1975)
(13th-15th) A stationary front that extended from Maine to Florida caused 3 days of heavy rains from the Appalachians to the Atlantic Coast. River flooding in low-lying areas was reported in PA, NJ, DE, MD, VA and NC. Washington, DC and Baltimore, MD each received more than 3 inches of rain in a 24-hour period. Up to 7 inches of rain fell in 24 hours on parts of Maryland's eastern shore. Northern New Jersey was hit hardest with flash flooding. A total of 6.11 inches of rain fell on Trenton, NJ in a one-hour period. NJ was declared in a state of emergency and officials stated that as much as 34 inches of rain had fallen in the northern half of the state with property damage close to $30 million. Five people drowned.