MDOT has closed Monida Pass 
The Montana Department of Transportation has closed Interstate 15 from Barretts Exit at mm 56 to the State Line due to severe road conditions and poor visibility. The weather forecast is indicating high winds and snowfall on Monida Pass. Idaho DOT has already closed the pass on their side We are not expecting the road to reopen until conditions improve. For updates you can call 511 or check the Montana Department of Transportation road conditions web site.
Instructions:
"MDOT has closed Monida Pass until further notice. For more information or updates dial 511 or 800-226-7623"
Address/Location
Beaverhead County 911
2 S Pacific St
Dillon, MT 59725
Contact
Emergency: 9-1-1
Non-emergencies: 406-683-3700