Record-Smashing, Historic September Snowstorm

At a Glance

  • A snowstorm is slamming the northern Rockies this weekend.
  • Some parts of Montana may see blizzard conditions at times with well over a foot of snow.
  • Wet snow and high winds will lead to tree damage and power outages.
  • Other lower elevations in the northern Rockies and High Plains may see their first snow of the season.
  • Record cold with dangerous wind chill temperatures is expected as well.
  • A historic September snowstorm is blasting parts of the northern Rockies with heavy, wet snow and high winds, leading to power outages and tree damage, and will be accompanied by record cold temperatures for the end of September and early October.

Happening Now

Snow continues to fall from eastern Washington across the high country of Idaho and western Wyoming, western and central Montana, and as far south as the Great Basin or eastern Nevada.


Several locations in northern Montana have already picked up over a foot of snow. The highest snowfall total so far is 23 inches in Browning, Montana. East Glacier Park has already measured 21 inches of snow.

Over 9 inches of snowfall was recorded by the National Weather Service in Great Falls, Montana, Saturday, alone, an all-time record daily snowfall in September, there. Their total of 14 inches since Saturday is closing in on an all-time autumn two-day snowstorm record of 16.1 inches from Nov. 26-27, 2005, according to NOAA’s ACIS database records dating to 1937 and is already the snowiest September, there, topping September 1934’s 13.2 inches of snowfall.

Tree limbs were reported downed on “most, if not all, side streets” due to the weight of 14 inches of wet snow and winds in Choteau, Montana, about 45 miles northwest of Great Falls along the Rocky Mountain Front Range, according to a report relayed to NWS-Great Falls. Two to three-foot drifts were reported in Augusta, Montana, Sunday morning.


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