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Heavy Snow in Upper Blackfoot and Macdonald Pass, Montana

Heavy Snow April 1, 2025 · Upper Blackfoot and Macdonald Pass, Montana

What the National Weather Service wrote

SNotel equipment at Nevada Ridge estimated 13 inches new snowfall over 24 hours ending 8 PM April 1. Criteria time is estimated.

The wider storm

A more convective type of rain/snow transitioned to be more stratiform across the region as several embedded waves within broad cyclonic flow consolidated across the region. Uncertainty was high with this system, closely related to how quickly snow levels fell across the region. Several areas saw snow in excess of 10 inches, including a snotel estimating 17 inches new snow in Jefferson County.

Source: NOAA Storm Events Database, event 1257683. Narratives are written by the National Weather Service forecast office that issued the report.

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