The Winter Weather Advisory is now in effect from 10 am this morning to 5 am MST Thursday.

* Timing and main impact: snow will develop over southwest Montana
later this morning and continue through tonight.

* Snow accumulations: total snow amounts of 2 to 5 inches are
expected by Thursday morning for elevations generally above 5500
feet. Isolated amounts up to 8 inches are possible near ridge

* Winds and visibility: gusty southwest winds at 20 to 30 mph will
create areas of blowing snow and reduced visibilities. Expect
visibilities to be reduced to less than one mile at times.

* Other impacts: expect any wet roads to freeze this evening... as
light snow continues overnight and colder air moves into the

* Locations affected include: Targhee Pass... West Yellowstone...
Raynolds Pass... Big Hole Pass... Chief Joseph Pass and Monida

Precautionary/preparedness actions...

A Winter Weather Advisory for snow and blowing snow means that
visibilities will be limited due to a combination of falling and
blowing snow. Use caution when traveling... especially in open

For specific Road and travel conditions in Montana... dial 5 1 1.