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

Road Conditions:

Road conditions as of 4:15 PM MDT on Friday, July 10 are as follows: dry. Actual road conditions may vary from this report. Motorists are cautioned to be alert to changing conditions.


The following construction project is in effect: sidewalk work between 2.75 miles west and 1 mile west of Junction Interstate 15 and US 287 South-Helena including intersection work and flaggers present (travelers can expect single lane closures).


The forecast until 10:00 PM MDT on Friday, July 10: Skies will be partly cloudy becoming clear. Visibility will be ten miles. No precipitation is expected. Winds will be 11 mph gusting to 24 mph from the west changing to 4 mph from the west-northwest. Temperatures will range from 61 to 79 F changing to 54 to 68 F.