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Chilly Pattern to Continue From Plains Into the South Through Midweek, Including Some Front Range Snow

The Weather Channel logoThe Weather Channel 5/11/2021 Jonathan Erdman

A fresh round of cool air by May standards has plunged southward and will linger through midweek from the Rockies and Plains to the South and East.

Despite the fact that we're pushing closer to summer, the atmosphere sometimes chimes in to remind us that May is still a spring month, with all of its changeable weather.

Such is the case this week over most of the eastern two-thirds of the nation.

How Chilly?

The cold front bringing this latest chill has already swept through the Plains and Midwest and has now stalled out over the Deep South.

We're not expecting widespread record cold by mid-May standards, but you'll probably need a jacket, even in the middle of the day, in many of the affected areas.

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Highs on Tuesday may not rise out of the 40s and lower 50s in parts of the Rockies, High Plains, northern Great Lakes and some higher terrain of the interior Northeast. A few of the coldest spots in the Rockies and Front Range may shiver in the 30s. Parts of the South may struggle to see highs rise out of the 50s or low 60s on Wednesday, including Atlanta, Columbia, South Carolina, and Raleigh, North Carolina.

Several locations in the South could see record cold high temperatures through Thursday.

Morning lows in the 30s are expected in the Rockies, High Plains, parts of the Midwest and interior Northeast.

And this could lead to a frost or freeze in these areas, possibly into Wednesday or Thursday morning in some areas. Be sure to cover any tender vegetation or bring any plants inside at night.

This cooler-than-average regime may hold through much of the week in the Southeast, while milder air expands from the West into the Plains late in the week.

May Snow

This chilly weather pattern contributed to several reports of wet snow on Sunday from northern parts of Indiana and Ohio to western Pennsylvania.

Monday, wet snow fell in parts of southeast Wyoming and the high country of Colorado.

In both Cheyenne and Laramie, Wyoming, 2 to 3 inches of snowfall had been measured in several locations, leading to some slippery travel in spots, including stretches of Interstates 25, 70 and 80.

Light snow was reported in Denver metro area Tuesday morning.

More snow is expected through Tuesday from the Rockies into the adjacent High Plains, but it will come to an end in most areas by later in the day or evening.

Snow this late in the spring isn't unusual at all along the Front Range.

Accumulating snow has fallen in May five of the last 10 years in Denver, according to the National Weather Service. The latest spring accumulating snow on record in the Mile High City occurred on June 2, 1951.

The Weather Company’s primary journalistic mission is to report on breaking weather news, the environment and the importance of science to our lives. This story does not necessarily represent the position of our parent company, IBM.


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