The weekend cold snap that sent the Rocky Mountain West into a deep freeze set additional temperature records on top of the handful reported Saturday.
Townsend’s low of 32 below zero is one degree lower than the previous Dec. 17 record set in 1964. Grass Range at 27 below, and Simpson, which is north of Havre near the Canadian border, hit minus 40, below the 34 below zero record set in 1964.
On Saturday the Independent Record reported records set at the Bozeman airport of 35 below, Ballantine at 34 below, Ennis at 31 below and Dunkirk at 35 below.
The coldest location in the state was unofficially recorded at Elk Park north of Butte, with a frigid 48 below zero. The coldest official recording came in at minus 43 in West Yellowstone.
The official low at the Helena airport was minus 21, with an observation station west of Lake Helena recording minus 30. The Dec. 17 Helena record set in 1964 is 38 below zero.
As temperatures moderated, officials issued high-wind warnings with blowing snow creating hazardous conditions. Interstate 90 east of Livingston closed multiple times due to unsafe driving conditions, but has since reopened.