NEW: Another inch or two is expected with snow showers throughout the day.
A Winter Weather Advisory remains in effect until 3 PM MST this afternoon. Timing and main impact: periods of snow can be expected across southwest Montana today. A brief period of moderate to heavy
snowfall and gusty winds is expected to occur for 1 to 2 hours later this morning as a strong cold front moves through the region. The snow will diminish to snow showers Saturday afternoon.