By Tuesday morning residents and visitors to Philadelphia will wonder what hit them when they step outside.
Motorists and pedestrians should be on the lookout for icy patches Monday evening as arctic air blasts quickly into the region. In some cases, ice can form before paved, concrete and wooden surfaces have a chance to dry out.
It will feel about 70 degrees colder Tuesday morning, compared to the morning drive Monday.
RealFeel® temperatures will be below zero much of the day Tuesday. Despite bright sunshine, actual high temperatures will be in the lower teens across the metro area.
Tuesday will be the coldest day since Feb. 5, 1996, over much of the coastal mid-Atlantic.
Weather conditions Monday night through Tuesday will make it dangerous to be outdoors for long periods of time without being properly dressed.
There is some good news for folks struggling with the cold.
Temperatures will slowly trend upward later this week and could touch 50 degrees in some locations this weekend.
Tune in to AccuWeather Live Mornings every weekday at 7 a.m. EST. We will be talking the brutal cold and when the next warmup is in store.
In an effort to clean New York City's polluted rivers, a group of inventors, architects and researchers are trying to purify the waters with a pool that floats along the East River just next to the Brooklyn Bridge.
Ongoing wildfires in Ontario and western Canada will impact areas across the Great Lakes to the Northeast through the weekend.
Cool and unsettled weather will continue across the East through late week.
Relief is on the way for portions of the Plains that are in the grips of the ongoing drought.
A disturbance west of the Cape Verde Islands has potential to be the next named tropical storm in the Atlantic Basin.
A pair of tropical threats will target areas from China and Taiwan to Guam this week.
Greenville, SC (2004)
Heavy rain causes nearby river to crest at 19.2 feet, the second highest crest ever.
"A considerable flood arose unexpectedly which proved detrimental to many in that colony." This was the first of 2 hurricane/floods within 30 days.
Amarillo, TX (1982)
4.22" of rain -- 24-hour July rainfall record.