The chilliest air of the season so far will yield frosty mornings around Charlotte, N.C., and surrounding communities through Saturday.
Folks heading out in the morning may need to scrape the windshield and warm the car up for a few minutes beforehand.
In the coldest spots, temperatures can dip below freezing with the coldest morning likely to be Saturday throughout the region.
In perspective, the earliest the temperature has dipped to or below 32 degrees at Charlotte/Douglas International Airport, N.C., was October 9, 2000, when the low was 31 degrees.
Tender potted plants should be brought indoors. Plants worth salvaging in the ground should be covered.
A large area of high pressure will drift southward from the Midwest and is forecast to settle over the interior South.
It will not be until later in the weekend when temperatures will begin to rebound.
As a consolation to the chilly air, much of the time will be free of clouds right through Sunday.
Tropical Depression Two has formed in the Atlantic and could become the next tropical storm of the season by midweek.
Severe storms will rumble through parts of the Midwest, including Chicago, early Tuesday night.
Warm and humid air in place over much of the Midwest and Northeast at midweek will contribute to the risk of drenching, gusty and locally severe thunderstorms on Wednesday.
After temperatures briefly climb to typical midsummer levels, another cooldown will roll into the Midwest and expand to the East for the last part of July.
With the recent heat fading away, more relief will greet the Northwest by midweek in the form of rain.
Canton, IL (1975)
A tornado ripped through a 3-block section of downtown, killing 2 people, injuring 75 and creating $5 million damage. A 15-foot wooden plank was driven through an auto engine block, splitting the front of the car in two. The woman driving was not injured. National Guardsmen were called in to prevent looting.
Columbus, OH (1979)
This is the first year in 101 years of record keeping at Columbus in which the temperature has not reached 90 degrees by July 23rd.
Hurricane Delores, west of Baja California, causes high surf along the Southern California coast.