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Winter Storm in Lower Clark Fork Region, Montana
Winter Storm March 11, 2026 – March 14, 2026 · Lower Clark Fork Region, Montana
What the National Weather Service wrote
Montana Department of Transportation required chains for Lookout Pass on Interstate 90 on two occasions: 0530MST and again at 1843MST. The interstate was blocked in both directions by a semi trailer. On the morning of March 14, Lookout Pass Ski Area had reported 35 inches of new snow in 48 hours, 49 inches in 72 hours.
The wider storm
An impressive, long-duration atmospheric river brought copious snowfall and high winds to western Montana. Some high-elevation areas received a few feet of snow. Impacts from this storm included power outages and impacts to travel.
Source: NOAA Storm Events Database, event 1316267. Narratives are written by the National Weather Service forecast office that issued the report.
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