Winter Weather Advisory issued May 13 at 2:13PM MDT until May 14 at 9:00AM MDT by NWS Great Falls MT

* WHAT…Snow expected. Total snow accumulations of 4 to 8 inches at
pass level, with higher amounts above pass level.

* WHERE…The Mountains of Southwestern Montana south of Interstate
90.

* WHEN…From 8 PM this evening to 9 AM MDT Wednesday.

* IMPACTS…Higher mountain passes will likely become snow covered
and slippery. Those recreating in the backcountry should prepare
for winter conditions.

* ADDITIONAL DETAILS…Above 8,000 ft, heavy snow accumulations of
up to a foot and above is expected in the Madison and Gallatin
County Mountains.