National Weather Service United States Department of Commerce

Arctic Air Bringing Cold Temperatures to the Eastern Half of the U.S.; Strong Clipper System Wednesday and Thursday

Arctic air will continue below normal temperatures across the eastern half of the U.S. through today. A strengthening clipper storm will track north of the Great Lakes midweek with a widespread snow and gusty to strong winds through the region and into the Northeast U.S. followed by some lake effect snow. Read More >

  Overview

A record breaking winter storm hit eastern and southern
Wyoming. 13.6 inches inches of snow fell at the Casper
Airport on Wednesday, March 13th.  This broke the daily
snowfall record of 5.8 inches set in 2002. This was
the 2nd snowiest day ever recorded for March, and was the
9th snowiest day ever for Casper with records dating back
to around 1940. Total snowfall for this storm at Casper was
14.7 inches which is the 22nd largest snow storm on record.

Sweetwater County was also hit hard with 5 to 10 inches of
snow. In addition to the snow, strong north winds created
whiteout conditions across Johnson, Natrona and eastern
Sweetwater counties. A plethora of highways and interstates
were closed across eastern Wyoming for over 24 hours. 

Snowfall Map for March 13th and 14th
Map of snowfall totals for March 13th and 14th
Graphic showing Casper's snow historical stats compared to this snow storm Image Casper photo on Wednesday, March 13th.
Daily Snowfall Record for Casper Conditions in Casper at 5 AM March 13th Snow in Casper (Courtesy of Brian W.)
Snowfall analysis of the Blizzard Snowfall analysis from this winter storm  zoomed into Wyoming
Snowfall analysis of the blizzard
(source: NOHRSC)
Snowfall analysis from this winter storm  zoomed into Wyoming
(source: NOHRSC)
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