US-12 between Junction Interstate 90 at Garrison and Helena including MacDonald Pass

Road Conditions:

Road conditions as of 11:15 AM MST on Tuesday, November 13 are as follows: scattered snow and ice between Junction Interstate 90 East and Montana 88-Garrison and Junction Montana 141-Avon, dry between Junction Montana 141-Avon and 4 miles west of MacDonald Pass, scattered snow and ice between 4 miles west and 7 miles east of MacDonald Pass, and dry between 7 miles east of MacDonald Pass and Junction Interstate 15 and US 287 South-Helena. Actual road conditions may vary from this report. Motorists are cautioned to be alert to changing conditions.


The forecast until 4:00 PM MST on Tuesday, November 13: Skies will be mostly clear becoming partly cloudy. Visibility will be ten miles. No precipitation is expected. Winds will be 5 mph from the west-southwest. Temperatures will range from 18 to 30 F changing to 31 to 45 F.