AccuWeather Global Weather Center 22 Sept - AccuWeather reports it's shaping up to be a cool start to autumn for many across the Northeast and Midwest with the new season officially starting at 10:29 p.m. EDT on Monday.
People in these regions may need a light coat or sweatshirt when heading out in the morning or late evening as autumnlike conditions move in right on cue for the start of the season.
Highs on Monday over the Midwest and interior Northeast are expected to range from the mid-50s to the mid-60s followed by overnight lows in the 40s.
Some of the normally cooler spots may even have spotty frost on Monday night or early on Tuesday morning.
According to AccuWeather Senior Meteorologist Alex Sosnowski, "If you have not had a frost yet this month, then you should not have to worry about damage early Tuesday morning."
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Sunscreen and sandals will likely be preferred over jeans and jackets by folks across the Deep South as the summer heat continues on Monday.
Despite the changing of the seasons, highs are still expected to top out around 90 F from South Carolina to central Texas on Monday afternoon.
Warm and humid conditions of this nature are not uncommon for the Gulf Coast states during early autumn; however, with highs typically reaching the mid to upper 80s through the end of September.
On the other side of the country, autumn will greet residents of the West with conditions more common for early summer rather than autumn.
Temperatures are forecast to run as much as 15 degrees above normal across the West, as well as the Canadian Prairies.
The temperature in Calgary, Alberta, may challenge record values on Monday, less than two weeks after being hit with their first snowstorm since spring.
The first day of autumn may turn out to be a bit misleading for what the start of the season will really bring as the heat over the West gradually shifts eastward throughout the week.
Areas of the Northeast where temperatures struggle to climb out of the 50s on Monday will experience temperatures well above 70 F by Friday.
Those looking to experience the beauty of fall without the cooler weather may find the upcoming weekend to be the best weekend this year to head up into the mountains of New England and view the fall foliage.
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Typically, the peak color for fall foliage in the White and Green Mountains is late September and early October.
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By Brian Lada, Meteorologist for AccuWeather.com
