Early Taste Of Winter For N Rockies: 20″ Of Snow, 4°F In Wyoming

Written by on September 12, 2014 in United States of America with 0 Comments

It’s been quite the snowstorm for the Northern Rockies over the last 72 hours.

Source/Credit: NWS Billings

Source/Credit: NWS Billings

The models did a pretty good job from 5 days out.


Actual snow cover!


Wyoming Snowfall Totals
County Location Snowfall
Big Horn Shell Creek Snotel 16
Big Horn Bone Springs Divide Snotel 10
Big Horn Bald Mountain Snotel 7
County Location Snowfall
Fremont Castle Creek Snotel 2
Fremont St. Lawrence Alt Snotel 2
Fremont Little Warm Snotel 1
Fremont South Pass Snotel 1
Fremont 15 SW Lander 1
Fremont Riverton Airport 0.3
Fremont Riverton 0.3
County Location Snowfall
Hot Springs Owl Creek Snotel 2
County Location Snowfall
Johnson Little Goose Snotel 20
Johnson Cloud Peak Reservoir Snotel 13
Johnson Soldier Park Snotel 12
Johnson Hansen Sawmill Snotel 11
Johnson Buffalo 7 to 10
Johnson Bear Trap Meadow Snotel 3
Johnson 17 E Kaycee 1
Johnson Kaycee T
County Location Snowfall
Natrona Casper Mountain 4.3
Natrona Casper Mountain Snotel 4
Natrona Reno Hill Snotel 4
Natrona Grave Spring Snotel 1
County Location Snowfall
Park Blackwater Snotel 8
Park 5 E Cody 7
Park Marquette Snotel 7
Park Kirwin Snotel 6
Park Timber Creek Snotel 6
Park Wolverine Snotel 6
Park Evening Star Snotel 6
Park Beartooth Lake Snotel 5
Park Cody 3 to 5
Park Meeteetse 3 to 5
Park 4 SE Cody 4
Park 26 SW Cody 3
Park 3 NE Sunshine 3
Park Wapiti 3
Park Crandall Creek 3
Park 1 NE Wapiti 1
Park Pahaska 1
County Location Snowfall
Sublette Elkhart Park G.S. Snotel 3
Sublette New Fork Lake Snotel 2
Sublette Kendall Ranger Station Snotel 1
Sublette Big Sandy Opening Snotel 1
County Location Snowfall
Teton Gros Ventre Summit Snotel 1
Teton Togwotee Pass Snotel 1
County Location Snowfall
Washakie Powder River Pass Snotel 4
Washakie Middle Powder Snotel 1
County Location Snowfall
Yellowstone Parker Peak Snotel 4
Yellowstone Thumb Divide Snotel 1
Yellowstone Lewis Lake Divide Snotel 1
20140911snowfallSeptember Snow Tidbits

Earliest September Snow Sept. 8, 1962
0.2 inches
Sept. 7, 1941
0.3 inches
(note: Sept. 1929
data was missing)
Sept. 6, 1929
3.0 inches
Last Time Measurable Snow fell in Sept. Sept. 27, 2013 Sept. 27, 2013 Sept. 27, 2013
% of Time the First Measurable Snow occurs in Sept. 35% 35% 15%
Snowiest September
1982 with
11.5 inches
 1965 with
14.4 inches
1982 with
13.0 inches

Last time measurable snow occurred at the following locations:

  • Buffalo:  Sept. 27, 2013
  • Cody:  Sept. 22, 2000
  • Moose:  Sept. 22, 2006
  • Pinedale:  Sept. 24, 2007
  • Thermopolis: Sept. 27, 2013

Super Cold Air Followed!

A cold high has settled in from Canada in the wake of the record snow.


Clear skies, light wins over fresh snow cover typically means COLD. We’ve got widespread teens and even single digits over parts of Montana and particularly north-central Wyoming this morning.

Source/Credit: WYDOT

Source/Credit: WYDOT

Credit: NWS Billings

Credit: NWS Billings

The coldest temperature I can find is 4 degrees at Cloud Peak Reservoir, located within the Big Horn National Forest in north-central Wyoming.

Sub 10F Club


Cloud Peak Reservoir   4

Big Horn County Line  7

Castle Creek Snotel  7

Mill Creek Reservoir  9


Placer Basin Snotel  9



Chilly afternoon ahead for the Plains…


Near 30F below normal Saturday AM over the Heartland


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