Harsh cold will loosen its grip on Boston Monday, but will come back with a vengeance by Tuesday.
Temperatures will briefly spike into the lower 40s and a rain or snow shower will occur on Monday as another Alberta Clipper system passes through the Northeast.
In the wake of this clipper, fresh frigid air will arrive and challenge the frigid days from earlier this January for the coldest daytime highs and nighttime lows so far this winter.
Temperatures will drop into the teens Monday night and remain there through Wednesday night.
Brisk winds ushering in the arctic blast will drop AccuWeather.com RealFeel® temperatures under 10 below zero for the Tuesday morning commute.
Such cold will put residents who fail to bundle up at risk of enduring frostbite or hypothermia.
For those sick of the snow, the cold will offer protection from the storm set to spread substantial snow and ice across the South by keeping the storm track well off the Northeast coast.
Repeating and slow-moving storms will raise the risk of flash flooding and damaging winds over the northern and central High Plains into Thursday night.
Thunderstorms that have already brought the risk of severe weather to a portion of the mid-Atlantic states will continue track into the Northeast through Thursday night.
As July draws to a close, a storm system swinging up from the Deep South will bring downpours to the northeastern U.S. and break the back of an extended heat wave.
Rounds of showers and thunderstorms moving westward off the coast of Africa may pave the way for future tropical systems over the Atlantic Ocean in the weeks ahead.
Highs will run between 10 and 15 degrees Fahrenheit above average across much of the interior western United States into the upcoming weekend.
A budding tropical system threatens to bring flooding rain to the Philippines into this weekend with potential future impacts on China and Taiwan.
Western Pacific (1990)
Typhoon Steve east of Iwo Jimo. Peak winds of 125 mph sustained gusts to 155 mph.
5-12" of rain north of Denver led to serious flash flooding (28th-29th). 108 mobile homes were destroyed and 481 others were damaged in Ft. Collins. 5 people were killed and 40 others injured.
Sharon, PA (1999)
70 mph wind gus in a thunderstorm.