DENVER (CBS4) – Temperatures in the Denver area have not yet been experienced below zero this season, which is unusual for early February. The Arctic air coming straight from Canada will change later this week. Not only does the temperature drop below zero, it could be the coldest weather in 6 years in February.
Until Thursday, when real Arctic air arrives on Friday, many areas will be cold and well below normal.
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Along the Front Range, high temperatures will change significantly on Tuesday, but most of the Denver, Boulder, and Fort Collins area will only reach its 20s and 30s, well below normal levels. Places at higher southern and western heights, such as Evergreen, Conifers, Estes Park, and Castle Rock, will be warmer with peaks in the 1940s.
Many mountain towns across the state, such as Breckenridge and Aspen, will also be at least a few degrees warmer than Denver.
There will also be snowfall in the mountains until Wednesday morning, with the highest clouds north of I-70. The mountains of Summit County are likely to rise to 2 to 6 inches, while the mountains surrounding the Steamboat Springs and Rocky Mountain National Park region are under winter weather advice for 6 to 12 inches of snow.
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The expected frosty weather at the end of the week arrives on Friday and lasts at least until Sunday, then gradually moves east early next week. Arctic air is penetrating much of the state – not just at the lower altitudes east of the mountains, where cold air got stuck earlier this week.
Around the Denver subway, high temperatures are unlikely to reach teens, and the nightly low should drop to zero on Friday nights, Saturday nights, and probably Sunday nights. Some weather models suggest temperatures could drop to at least -10 degrees on Sunday mornings. This is the current record low low temperature in Denver as of February 14, 1903.
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There appears to be a chance of snow around the subway on Friday as well, but the accumulation is expected to be small.
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