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Winter Storm Recap: The first “Rainy Christmas” in Boulder since 1942, but the Foothills got blanketed by wet snow!

Yesterday on Christmas Day, a deluge of rain dumped on the western Denver Metro area during the afternoon and evening, but amazingly not a single snowflake fell across most of the lower elevations as temperatures remained several degrees too warm for frozen precipitation. This led to the first “Rainy Christmas” that most of us have ever experienced. As expected, a white Christmas was enjoyed by those in the higher terrain where temperatures were colder. We recap the holiday raindrops and snowflakes, including a look at just how rare Christmas rain really is and if it will be the new normal in a warming climate.

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Winter Weather Update: Christmas rain/snow showers develop after 3PM in the western Metro area, a few slushy inches possible in the Foothills

After days and days of warm and dry weather, things in the Front Range are taking an interesting turn right in time for Christmas. A trough of low pressure is moving into the Four Corners area right now with a mix of clouds and sunshine out ahead of it. Later in the day, a cold front will move through from the northeast leading to scattered showers spawning across the western Metro area. Mostly rain is expected for the lower elevations which will be largely too warm, but Foothills communities could pick up a few slushy inches this evening to nab a white Christmas after all! We discuss a bit of Christmas climatology for Boulder, the weather setup at hand today, the latest timing of the rain/snow showers, and just how much accumulation may fall this evening and where.

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This Week in Colorado Weather: December 23, 2024

This week’s weather in the Front Range will see a shift from the recent unseasonably warm temperatures to cooler conditions, with periodic light snow expected in the Mountains throughout the week. While a white Christmas is unlikely for the Denver Metro area, there will be a slight chance of rain or snow showers Wednesday evening and night. The late-week period will remain active with several disturbances bringing more light snow to the Mountains, but the lower elevations around Boulder and Denver will stay mostly dry with mild temperatures. We also look ahead to next week when we’ll likely see a longer-term transition to much colder and snowier weather for the New Year.

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