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

Road Conditions:

Road conditions as of 10:30 AM MDT on Saturday, March 23 are as follows: dry with the following exceptions - frost or ice on bridges with possible fallen rocks between Junction Interstate 90 East and Montana 88-Garrison and Junction Montana 141-Avon and frost or ice on bridges 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 4:00 PM MDT on Saturday, March 23: Skies will be mostly clear becoming partly cloudy. Visibility will be ten miles. No precipitation is expected. Winds will be 7 mph gusting to 16 mph from the west-southwest. Temperatures will range from 26 to 34 F changing to 37 to 45 F.