Category: Climatology (Page 1 of 55)

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.

This Week in Colorado Weather: March 31, 2025

The week ahead will remain fairly active across Front Range Colorado as a series of upper-level disturbances track through the region with a broad trough of low pressure over the Four Corners and Intermountain West. Our warmest day will be Monday near 60 degrees, with cooler temperatures and unsettled weather taking over the remainder of the week. We are especially focused in on the Friday/Saturday timeframe when a strong storm system could bring several inches of spring snow to the area. Read on for more details.

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Storm Recap: A soggy weekend pummeled Boulder County with remarkable, much-needed moisture

Thanks to multiple rounds of steady rain, a hail-producing thunderstorm, and even a few snowflakes, Boulder has remarkably received about as much precipitation this weekend as we’ve seen in all of 2025 combined beforehand! We review the rain (and snow!) totals across the area and discuss briefly what unfolded over the last 36 hours during what was a rather atypical spring storm.

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This Week in Colorado Weather: March 24, 2025

The week ahead will remain largely dry across the Front Range thanks to the slow passage of a strong ridge of high pressure aloft. Gusty downslope winds on Monday will relax and transition into a mid-week heatwave with record highs up for grabs across multiple days. However, unsettled weather is brewing for the upcoming weekend with decent rain chances for the lower elevations and a few snowflakes for the higher Foothills. Read on for all the details.

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This Week in Colorado Weather: March 17, 2025

Colorado’s weather this week promises to be a mixbag, kicking off with near-record warmth and high fire danger on Monday, followed by a dramatic cool-down with a chance of rain and snow heading into midweek. As we officially transition into the spring season, be prepared for gusty winds, fluctuating temperatures, but only minor precipitation—with an active yet relatively dry forecast for the Denver-Boulder area this week. Read on for all the details.

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Forecast Update: Powerful spring storm to bring Mountain snow, strong winds, blowing dust and a few raindrops to eastern Colorado on Friday

The well-advertised dip in the jet stream set to bomb out across eastern Colorado is still very much on-track to end the work week. The forecast for this springtime beast has remained largely unchanged since our last forecast update on Monday when we detailed that this monster storm would primarily be a wind-maker for us. We discuss which parts of Colorado will see the strongest winds, where the limited rain and snow will fall, and the ensuing mess this storm will cause as it races across the nation in the days ahead. Read on for the latest details.

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