Author: BoulderCAST Team (Page 2 of 43)

This post had major contributions from at least two members of our team. The more meteorologists the better, right?

Arctic Blast Tuesday Update: The frigid air is already here, but the worst is still to come with several inches of snow and sub-zero temperatures on the way!

Our second Arctic Blast of 2025 is already underway! The first round of bitter cold has already gripped the Front Range, with light snow falling last night and temperatures plunging into single digits this morning. However, the worst is yet to come! Another wave of Arctic air is set to sweep through later on Tuesday, bringing several inches of snowfall and eventually sub-zero temperatures to the entire area. We discuss the latest forecast details, including when this next round of snow will begin and end, expected snowfall amounts across the area, and just how cold it will get in the days ahead.

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Winter Weather Update: A southern-track winter storm will bring snow/wind to parts of eastern Colorado Thursday, but uncertainty lingers for our immediate area

A medium-impact winter storm is headed for eastern Colorado, bringing some snowfall and strong winds to parts of the Denver Metro area late Wednesday night into Thursday afternoon. Weather models show varying predictions, but the southern and southeast suburbs of Denver are favored most for up to a couple inches of snow, with higher totals possible along and east of the Palmer Divide. We discuss the rift in the model guidance that is leading to the uncertainty, as well as the latest timing and most likely outcome from this somewhat warmer southern-track winter storm.

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Arctic Blast Sunday Update: One round down, one to go! More snow & even colder temperatures lie ahead

As of Sunday afternoon, skies are sunny and Round #1 of our Arctic Blast is in the books. This wave, which was always more about the white stuff than the extreme chill, delivered several fluffy inches of snow to the entire area, even over a foot in parts of Boulder County. Despite how nice it looks outside now, we are closely tracking Round #2 arriving Sunday evening into Monday with even colder air and another pulse of fluffy snowfall. Let’s take a look.

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Arctic Blast Thursday Update: Coldest air of the season blows in Friday PM followed by widespread snow — the bitter cold will linger into Tuesday (Updated)

The first major Arctic blast of the season is set to arrive Friday afternoon, bringing a dramatic drop in temperatures and widespread snowfall to Boulder and the Front Range. Expect temperatures to plummet from the 60s on Thursday to the single digits by Saturday morning, with several inches of fluffy snow blanketing the area. The bitter cold will linger through Tuesday, with temperatures below freezing for nearly 100 hours and below 15°F for around 72 hours. Read on for the latest details on what will definitely be a frigid and snowy MLK Day weekend across most of Colorado!

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