7 DAY POWDER FORECAST- WARM-COLD-WARM WITH MODERATE TO DEEP SNOW MID WEEK IN THE CASCADES. THE TETONS MIGHT GRAB MODERATE SNOW MID TO LATE WEEK.
Summary. 1/29/18. AM Report
You’re going to have to dodge the rain in the Cascades today, but a foot of more snow is likely Tuesday-Wednesday. The Rockies and Sierra = boring forecast this entire week with the exception of the Tetons that will get a glimpse of light snow Tuesday PM through Thursday. Those glimpses of Teton snowfall might add up to 5-10 inches over 2-3 days. The Tetons just scored up to 20 inches, which outperformed our original forecast of 8-14 inches (2-3 day totals). Yesterday Targhee saw a complete reset of snow from the previous day (Winds and another 9 inches since 2PM prior). Targhee was super fun!
Below: Here is a pic that Powderchasers took in the parking lot of Grand Targhee parking lot yesterday morning (24-36 hour snowfall).
Short Term Forecast
It’s raining in the Cascades today with temperatures in the mid 40’s at most ski areas. Mt. Baker is currently at 35 degrees on the mountain. The mid mountain base at Baker dropped from 173 inches to 159 inches in the past day. Last week was purely epic up at Mt. Baker with some of the largest 24 hour snowfalls (27 inches to start the day on Friday) on record (Light and fluffy). Rain will change to snow at upper elevations this evening followed by the base areas after midnight. Moderate snow will be falling in both the WA and OR Cascades through Wednesday. It’s possible that Mt. Baker lands another foot of pow by noon Tuesday and 7-9 inches further south. We recommend aiming for mid morning chairs for many resorts on Tuesday as it may become a sneak up powder day, especially further north. One caveat is the rain today and very warm temps with a quick freeze below. (2500 snow levels mid to late Tuesday). We have a tail between our legs for a PNW the chase opportunity this week because it’s either going to be crusty underneath the new snow or butter smooth snow as temps remain moderate tonight creating a denser layer below the colder and drier density pow. 50/50 chance of good conditions Tuesday. Wednesday should continue to offer opportunity with light to moderate snow continuing, which may favor a convergence zone at Stevens Pass. Whistler nabbed 16 inches in the past 24 hours (Wet) and will continue to grab snowfall early this week (5-10) at mid and upper elevations. Get the snow now in the PNW as next weekend brings a return of warmer temps.
Below: Respectable snow totals for the Cascades through Wednesday morning
Moisture form the PNW moves over BC into the Panhandle of Idaho Tuesday (light to moderate amounts for Schweitzer with higher amounts into southern BC). Aim for southern BC for the deepest snow on Tuesday (Whitewater Ski Resort, Red Mountain Resort, or Kootenay Pass).
The Tetons are back in the flow late Tuesday-Thursday with light or moderate snow through that period. There will be no single double digit snowfall event. Total snowfall through the period should be 6-10 inches at upper elevations. Aim for Wednesday and Thursday for the best light or moderate refresh. Southern Montana near Big Sky will see light snow through the same period with the possibility of increasing snowfall next weekend.
Utah and Colorado remain south of the pattern this week. Unfortunately we don’t have any good news in the short or mid term forecast for Utah or Colorado.
Warming occurs later in the week for both the Pacific Northwest and the Rockies. Most precipitation falls in northern areas of the Cascades and will retreat north into BC. Warmer air will create chances for rain in many areas next weekend. Whistler will most likely see decent upper elevation snow. Some spots in central or northern BC may see moderate or heavy wet snow (Colder temps up north). The Rockies remain dry in the south and a bit unsettled in the north. A cold front drops into Montana next weekend that may kick off some snowfall statewide with northerly winds. That can be good for Bridger Bowl. It’s too far out to have any confidence at this point, but deserves watching. Colorado may stand a higher chance of snow in week #2.
Below: Warmer temps (Colder 540 red line retreating north) and high pressure for much of the west. The operational models show a return of precipitation in the Cascades (Rain).
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