Nearly 50,000 Xcel Energy customers in the Denver metro area lost power Wednesday as a spring snowstorm hit the region [1].

These outages highlight the vulnerability of urban power grids to unseasonable weather, as wet snow can collapse tree limbs that have already begun spring growth. The resulting damage creates significant logistical challenges for utility crews and disrupts daily transit in the Front Range.

The storm brought heavy, wet snow that accumulated on tree branches, causing them to snap and damage power lines [2, 5]. In the Denver metro area, officials expected up to nine inches of wet snow [3]. The impact was more severe in the northern Front Range mountains, where up to two feet of snow was possible [4].

Utility data indicated more than 644 power outages affecting more than 48,000 customers [2]. The affected areas included Arvada, Lakewood, and other parts of the Denver metro region [1, 6, 7]. Xcel Energy crews were deployed to restore power and clear debris from the lines.

While the storm caused infrastructure damage, it provided much-needed moisture to the Front Range [2]. Residents in the Denver area experienced a sudden shift in weather conditions as the heavy snowfall blanketed the city on May 6, 2026 [1, 6].

Crews continued working through Wednesday to address the downed branches and stabilize the grid. The combination of high moisture content and snow weight created a specific type of stress on the local canopy that typically occurs during winter months rather than May.

Nearly 50,000 Xcel Energy customers in the Denver metro area lost power Wednesday

This event demonstrates the risk of 'late-season' storms in Colorado, where trees are more susceptible to limb failure due to early spring budding and foliage. When heavy, wet snow adheres to these branches, the increased surface area leads to more frequent power line failures compared to dry, mid-winter snowfall.