Another blast of cold air is charging southward across the Rockies, causing another round of spring snow to accumulate quickly.
More than 6 inches of snow have piled up in Cheyenne through Wednesday morning, and snow has arrived to the city of Denver. Up to 18 inches have been reported for parts of Larimer County, Colorado. Road conditions ranging from wet to slushy and snow-covered are being reported across portions of I-25, I-70 in Colorado and I-25 and I-80 in Wyoming.
Denver had a high of 80 degrees, just 3 degrees shy of the 1948 record high for the date, on Monday. Temperatures plummeted behind a potent cold front Tuesday night into Wednesday.
The return of cold air, the right wind direction and a storm tracking just to the south, Has set up a snow situation for the Denver area on Wednesday.
Enough snow can fall to make for slushy and difficult travel conditions along stretches of I-25, I-70 and I-80 in the region. Very heavy snow falling in some locations is creating poor visibility.
Temperatures fell into near freezing across the Denver area early Wednesday morning. The cold air combined with an east wind flowing up the mountains will allow 3-6 inches of snow to fall in the city.
"If everything comes together, the mountains to the west of Denver could receive a foot or more of snow on Wednesday," AccuWeather.com Meteorologist Erik Pindrock said. "Denver averages about 1.3 inches of snow during the month of May, which means that snowfall this time of year isn't rare."
A foot of snow could also fall well away from the mountains and foothills in the region over part of I-80 on the High Plains.
Just like snow is no stranger to Denver in May, often it will warm up quite a bit ahead of most snowstorms throughout the fall, winter and spring.
Before the snow starts in Denver, snow had already started accumulating in other areas across the region, including Cheyenne and Casper, Wyo. and North Platte and Scottsbluff, Neb.
As the storm rolls out from the Rockies, it may continue to produce a swath of heavy snow from portions of eastern Nebraska to Iowa, Minnesota, Wisconsin and upper Michigan.
Expert Senior Meteorologist Alex Sosnowski has more on the potential for an unprecedented May snowstorm from Omaha to Minneapolis as well on the risk for more flooding in the Midwest later this week.
AccuWeather.com also has some insight as to what the summer will bring to the Rockies, Plains and the balance of the nation.
Rain and thunderstorms spreading to the East on Tuesday will put the brakes on the warmup following Easter weekend.
While remaining on a localized level through Tuesday, severe weather will ramp up across the Plains on Wednesday.
Although spring may be in full swing, more than one-third of the Great Lakes remains covered in ice.
A potent area of low pressure moving into the West will dictate the weather from Washington to Texas heading into the new week.
After taking a tumble Easter Sunday, temperatures will quickly rebound in Boston for Patriots' Day.
There hasn't been any measurable precipitation in San Francisco since April 4.
Southeastern Ohio (1901)
Unusually heavy snow: Warren, OH, 35.5" of snow; Green Hill, OH, 28" fell in 36 hours.
Mississippi & Alabama (1920)
Tornado swarm killed 219.
Late season cold wave: Douglas, WY - 12 degrees (April record) Lander, WY - 10 degrees Cheyenne, WY - 2 degrees