Exactly three years to the day since a thousand Boulder County homes burned to the ground in the Marshall Fire, the Front Range is bracing for a similar yet tamer weather event on Monday, with high winds, elevated fire danger, and Mountain snow on the way. A quick-moving storm system will bring widespread gusts over 40 MPH to the area, creating conditions favorable for the spread of wildfires across most of drought-stricken northeast Colorado. While Monday is not expected to be as nearly bad as that fateful day three years ago, we urge you to remain vigilant to prevent any fire ignitions on Monday. We discuss the latest forecast, including how the developing conditions for Monday compare and contrast to those back in 2021.
Category: Climatology (Page 3 of 54)
These posts contain information about the long-term weather patterns of Boulder County. Potential topics may include 30-day weather outlooks, El Nino/La Nina, and seasonal forecasts. You will find less about the day-to-day weather, with more focus on longer trends and patterns.
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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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.
Hint: All of the clues are related to Boulder, Denver, and/or Colorado weather. OK, well most of the clues…
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.
As we rapidly approach the holiday season, the Front Range continues to experience unseasonably warm and dry conditions. This past weekend brought beautiful weather with temperatures warming into the 50s, accompanied by strong downslope winds at times. Looking ahead, the forecast remains mostly quiet with high pressure dominating the central Rockies, including Colorado. While a few bouts of wind are expected this week, precipitation will be nearly non-existent over the next seven to ten days, making a white Christmas highly unlikely for the Denver-Boulder area.
November 2024 was exceptionally moist across most of eastern Colorado, with some locations nabbing their wettest November on record. In Boulder, we received a respectable 2.64″ of moisture, good enough for 4th all-time since the late 1800s. While there is certainty still more work to do, the widespread wet weather allowed for modest drought improvement across much of the state. Despite a late and lackluster start to the snow season, Boulder and Denver have both surged above normal season-to-date. Here’s a quick and colorful graphical recap of our weather during November and how it relates to climatology.
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BoulderCAST Daily – Sat 02/22/25 | The warmth takes hold this weekend
⦁❶⦁ 50s today – and 60s tomorrow through early next week ⦁❷⦁ No …
BoulderCAST Daily – Fri 02/21/25 | Clearing out and slowly warming
⦁❶⦁ Snow tapers off by midday, then expect slowly rising temperatures ⦁❷⦁ A …
BoulderCAST Daily – Wed 02/19/25 | A quiet & very cold Wednesday, but a potentially significant snowstorm is brewing for Thursday night!
⦁❶⦁ Bitter cold temperatures this morning near or slightly below zero for the …
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