Winter Weather Advisory issued December 15 at 11:01AM MST until December 15 at 5:00PM MST by NWS Great Falls MT

* WHAT…Snow. Additional snow accumulations of 1 to 2 inches.

* WHERE…Big Belt, Bridger and Castle Mountains, Little Belt and
Highwood Mountains, and Gallatin and Madison County Mountains and
Centennial Mountains.

* WHEN…Until 5 PM MST this afternoon.

* IMPACTS…Roads, and especially bridges and overpasses, will
likely become slick and hazardous.