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Arctic Blast Update: Colorado turns cold, but largely misses out on the historic winter storm sweeping the nation this weekend

January 22, 2026 / BoulderCAST Team / 0 Comments

This weekend’s forecast looks nothing like the mild stretch we’ve been coasting through so far in 2026. A sharp pattern shake‑up is finally knocking on eastern Colorado’s door. An Arctic airmass is set to spill into the Front Range Thursday night, bringing the coldest temperatures of the season and eventually a round of light, fluffy snow. We break down the timing, impacts, and just how low those temperatures will go—plus why the rest of the country is gearing up for a far bigger and historic winter storm.

Premium BoulderCAST Daily – Wed 01/21/26 | One last mild day before temperatures really begin to tumble

January 21, 2026 / Ben Castellani

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Premium BoulderCAST Daily – Tue 01/20/26 | The warmest day of the week comes with elevated fire danger, bitter cold and light snow still brewing for late-week

January 20, 2026 / Ben Castellani

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This Week in Colorado Weather: January 19, 2026

January 19, 2026 / Andy / 0 Comments

A quick round of overnight snow is already over and done with in the area as of Monday morning, but it’s just the opening act in a busy week of weather across the Front Range. Several cold fronts are lined up to keep temperatures bouncing around, including a late‑week Arctic surge that could deliver the coldest air of the season and a chance for additional snow. Read on as we break down the timing of at least three different cold fronts, the associated wind and fire‑weather concerns, and what to expect as that Arctic air barrels in later this week.