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

Road Conditions:

Road conditions as of 7:00 PM MDT on Saturday, April 29 are as follows: dry with the following exception - possible fallen rocks between 4 miles west and 7 miles east of MacDonald Pass. Actual road conditions may vary from this report. Motorists are cautioned to be alert to changing conditions.


The forecast until 1:00 AM MDT on Sunday, April 30: Skies will be partly cloudy. Visibility will be ten miles. No precipitation is expected. Winds will be 5 mph from the north changing to 6 mph from the west-southwest. Temperatures will range from 50 to 60 F changing to 39 to 43 F.