The coldest air of the winter so far has arrived over the northern Plains and Midwest and will cause temperatures to plummet in the Northeast in the wake of today's disruptive snowstorm.
The wave of arctic air may lead to frozen pipes in some households and eventually broken water mains in some communities.
Furnaces and heaters will be working hard in coming days, and you will get the bill for it later in the month.
There is plenty more cold coming. AccuWeather.com's Long Range Weather Pattern Expert Joe Bastardi said, "The period from January 20 to February 10 will bring the coldest weather since 2007 during the same period." Photo by photos.com.
The Great Lakes will modify the air slightly so that temperatures will manage to climb into the teens around Detroit today through the weekend.
Even a swath from the central Plains to the Ohio Valley, southern New England and northern mid-Atlantic will have episodes of nasty cold.
Over the central Appalachians from Pittsburgh to Scranton, Pa. and Binghamton, N.Y., both days of the weekend will be bitterly cold with highs in the single digits and teens, depending on your elevation.
For coastal areas of the mid-Atlantic and Northeast from Baltimore/Washington to Philadelphia, New York City and Boston, expect three days of January's finest cold. Highs will range from the teens in the north to the 20s in the south.
The coldest days and nights will occur with relatively light wind. However, as the cold air first sweeps in from west to east, AccuWeather.com RealFeel® temperatures will be 15 to 30 degrees lower than the actual temperature. After the arctic cold has settled in, even a slight breeze will be painful.
By the way, as cold as it will be by day, this air mass will produce temperatures of minus 20 degrees Fahrenheit from the Upper Midwest to northern New England at night. A number of locations may even get colder than that under clear skies and calm conditions.
Temperatures in International Falls, Minn., plummeted to minus 44 degrees early this morning. That broke the day's record low of minus 41 degrees from 1954.
The pattern will erase the above-normal temperatures experienced in northern New England since December (Caribou, Maine, was +9.4 degrees F above normal since Dec. 1., while Burlington, Vt., was +0.2 degrees and Portsmouth, N.H., was +1.8 degrees for the same period).
After a chillier summer for many across the country, fall is around the corner and large retailers have already been stocking the shelves with autumnal products.
When the right mix of heat and bacteria clashes with other natural and man-made factors, hazardous and unsightly conditions can arise in water areas across the country.
The next Atlantic tropical depression or storm may take shape in the southwestern Gulf of Mexico's Bay of Campeche by midweek.
A second volcanic eruption occurred on Sunday morning in Iceland in the same area that had one on Friday.
Severe thunderstorms will threaten holiday festivities across parts of the Midwest to close out the extended Labor Day weekend.
Severe threats include damaging winds, flooding downpours, large hail and some tornadoes.
Yuma, AZ (1950)
123 degrees - hottest temperature ever in Yuma. Yuma is the hottest city in the U.S.
Los Angeles, CA (1955)
110 degrees, hottest day ever in September. This mark was tied September 4, 1988.
Milwaukee, WI (1988)
Hottest summer on record. Six days of 100 degrees or greater and 36 days of 90 or above. Average temperature of 73.8 beat the old record of 72.8 set in 1921 and 1955. The normal average tempera- ture for a summer in Milwaukee is 68.3 degrees.