A brief warmup is on the way this weekend, but winter temperatures return in time for the new year.
Along with sunshine, temperatures will gradually warm from near 40s on Friday to around 50 by Sunday in the Philadelphia area.
A storm coming up the coast could put a damper on the end of the weekend. This bit of rain and extra clouds could keep temperatures down on Sunday in the mid-40s.
But just before its time to ring in the new year, a cold front will sweep the I-95 corridor and bring back the chilly temperatures.
Monday and Tuesday will be more winterlike with high temperatures only climbing to the near 30 on Tuesday.
The dry weather is expected to continue through New Year's Eve on Tuesday for those ringing in the new year at Penn's Landing.
Another visit from the Polar Vortex will deliver unseasonably cool air to the Midwest, preceded by rounds of thunderstorms, including severe weather.
Welcome dry weather for cleanup efforts across Japan in the wake of Neoguri will be brief.
As the Northeast continues to clean up from destructive storms early this week, more rounds of severe weather and flash flooding loom for early next week.
Heat-related dangers will be on the rise over the weekend for much of the Northwest as scorching heat settles in.
Parts of the South will get major relief from heat, humidity and storms next week while other locations will be at greater risk for flash flooding.
Yellowstone National Park's Firehole Lake Drive was closed Thursday, July 10, as portions of the roadway's asphalt melted amid the summer's recent heat wave in the Northwest.
Northern Rockies (1940)
335 forest fires set by lightning in one day.
Severe flooding, 41 dead, $870 million in damage. Almost 1-1/2 feet of rain in 3 days near Solden terrain and 200,000 people homeless.
Sampson Co., NC (1961)
Nine tobacco workers aged 13-70 were struck by lightning while taking shelter in a tobacco barn. Lightning struck metal heating system against which victims were leaning. One survived, Three others under open shelter outside the building were unhurt.