HELENA — Sub-zero temperatures and dangerous wind chill readings gripped north-central and north-eastern Montana at the beginning of 2018.
The National Weather Service reports Sidney recorded a temperature of minus 37 degrees at 8 a.m. Monday. Havre, in north-central Montana, tied its record low for Jan. 1. at minus 32 degrees.
The wind chill index in the central Montana town of Jordan dipped as low as minus 58 early Monday while Wolf Point was minus 56 and Glendive and Terry were minus 54. At those temperatures, exposed skin can suffer frostbite in 5 minutes.
Many other towns in northeastern Montana had wind chill readings between -42 and -47 Monday morning. The high temperature Monday in Malta and Harlem was forecast to be -15.