An active pattern is setting up for the Sierra Range, with one moderate cold storm on Thursday and a wetter but warmer storm due Friday PM/Saturday. Moisture streams north into the Pacific Northwest and BC, with some decent totals later this weekend. Leftovers favor Idaho and Wyoming, as most moisture stays north of Utah and Colorado, which grab lower totals. The extended has some hope!

This past weekend’s fickle storm system dropped 6” of wet snow at Lookout Pass, with 4” at the summit of Whitefish, and 2” at Discovery and Lost Trail. This same storm system rolled into SW Montana overnight Sunday, with Big Sky reporting 3 to 8" as of 7AM Monday. Big Sky could add another few inches on Monday. High-pressure then reigns through Thursday. Snow returns Friday and into the weekend.

Snow totals from Sunday's storm were highly variable, ranging from 2-7" in the Tetons. We will see flurries on Mon before drying out Tue-Wed. From Thu (Dec 12) to next Tue (Dec 17), multiple weak storms are possible but significant snowfall will be tough to come by. The best chance of decent snowfall will be this Sat-Sun (Dec 14-15). We may dry out again after the 17th leading up to the holidays.

A storm brought moderate to heavy snow to the Northwest and New England over the weekend. Over the next few days, the Rockies will only see light snow as a storm moving across the West falls apart. The East will see a big warm-up with rain on Monday-Tuesday followed by a changeover back to snow on Wednesday as colder air arrives.

Thanks for reading this summer! For the rest of this week, a cold front moving across the Central Rockies will bring showers & t-storms to WY, CO, & NM Wed-Thu while the West Coast states will see a late-season heat wave. Next week, isolated to scattered showers & t-storms develop across the West with continued mild temps. Heading into mid-month, the PNW will trend wetter and cooler.