Really. Folks above 5,000 are under a Winter Weather Advisory with 12 inches of snow possible at the highest elevations on the 191 corridor down to West Yellowstone.

According to the National Weather Service:

WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO NOON MDT
FRIDAY ABOVE 5000 FEET

  • WHAT...Snow expected above 5000 feet. Total snow accumulations 2 to 6 inches through passes and areas along US-191 south of Bozeman, 6 to 12 inches expected over the mountains.
  • WHERE...Gallatin County, mainly south of Bozeman and along US-191.
  • WHEN...From noon today to noon MDT Friday.
  • Travel could be very difficult at times.
  • Plan on slushy road conditions, especially along US-191 from Bozeman to West Yellowstone.
  • In addition, wet and cold conditions will cause stress for newborn livestock.
  • The hazardous conditions could impact the morning or evening commute.
  • The latest road conditions can be obtained by calling 5 1 1.