High heat and humidity will dangerously bake New England and the mid-Atlantic through the balance of this week.
The majority of New England and the mid-Atlantic had a day in the upper 70s to mid-80s to start off the weekend on Saturday.
Hotter temperatures are closing out the weekend and will continue to dominate through at least Wednesday or Thursday.
After some communities cracked the 90-degree mark on Sunday, many more will see temperatures soar into the 90s on Monday. That includes Washington, D.C., Philadelphia, Pittsburgh, New York City and Providence.
Boston will also warm to around 90 degrees this day as the 90-degree heat expands across the Ohio Valley.
Even hotter temperatures are in store for the mid-Atlantic on Tuesday, while the 90-degree heat grips many from the Ohio Valley to the Northeast.
Below are Saturday's temperatures compared to the forecast highs for Tuesday:
Worsening the situation is the fact that oppressive humidity will also in place, making the air feel dangerously hotter each day.
AccuWeather.com RealFeel® temperatures will generally top out between 95 and 100 degrees across New England and 100 and 105 degrees across the mid-Atlantic and Ohio Valley. These values could even eclipse 105 degrees in the latter two regions.
Such heat is dangerous for those spending a significant amount of time outdoors or in buildings without air conditioners or numerous fans.
If you are planning to be outside during this time, especially in the afternoon, be sure to wear sunscreen and protective clothing. It is also important to drink plenty of water in order to remain hydrated.
Consider spending the day in a mall or friend's house that is air conditioned in your home is not, and be sure to check on the elderly, children and pets to make sure they are staying safe during this heat wave.
AccuWeather.com Senior Meteorologist Kristina Pydynowski contributed to the content of this story.
People across the Midwest and Northeast will be bundling up as the first week of March comes to a close as arctic air returns to the regions.
Another winter storm is spreading snow and ice across the Northeast and will continue to do so into Wednesday morning.
A new storm will spread a swath of snow and sleet spanning more than 1,500 miles from northern Texas to Massachusetts, during Wednesday into Thursday.
A volcano erupted in southern Chile early Tuesday morning, prompting the evacuation of nearby communities.
With more than 8 feet of snow accumulating across Boston since January, clogged city streets have made available parking spaces a hot commodity.
February 2015 has come to an end with numerous monthly records set across the United States.
Brownsville, TX (1983)
A high of 100 degrees; earliest 100 degree day ever for the city.
Mauna Kea & Mauna Loa, HI (1990)
Heaviest snow on the tops of the Hawaiian volcanoes in 15 years. Snow drifted 6-10 feet.
New England (1717)
"The Great Snow" - 4 storms within a period of 10 days (from Feb 27 to March 7) that deposited about 36" in Boston area and about 48" to the north. Travelling or rural churchgoing was impossible for three weeks. Sheep were buried alive for 30 days.