I-15 between Cascade-Exit 256 and Great Falls-Exit 280

Road Conditions:

Road conditions as of 3:30 PM MDT on Saturday, October 21 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: guardrail work at 0.50 mile south of Junction US 87 and 89 South-Great Falls-Exit 278 including reduced speed limited to 45 MPH (travelers can expect single lane traffic).


The forecast until 9:00 PM MDT on Saturday, October 21: Skies will be mostly clear becoming partly clear. Visibility will be ten miles. There will be widely scattered very light rain. Winds will be 21 mph gusting to 32 mph from the west-southwest changing to 15 mph gusting to 20 mph from the southwest. Temperatures will range from 46 to 50 F changing to 43 to 45 F.