NOAA: More Snow Forecast in Montana Today & Tomorrow | Snow Levels Down to 5,000′

WeatherBrains | | WeatherWeather
Great Divide ski area, MT on September 16th 2017. image: great divide

Great Divide Ski Area, MT  saw 24-27″ of snow on Saturday and they went ‘summer powder skiing.’

Montana is forecast to see snow above 5,000′ all week this week.

Great Divide Ski Area currently has snow forecast everyday this week (see image below).

The word ‘snow’ shows up in NOAA’s forecast discussion about Montana 9 times today (see NOAA Forecast Discussion below).

image: NOAA Missoula, MT yesterday

“A strong cold front will push into the Northern Rockies, bringing cool, breezy and showery conditions to the area Monday through Tuesday.

While precipitation amounts will not be heavy, it could come in bursts, quickly reducing visibilities and causing slick driving conditions, especially in higher elevations above 5000 feet. Precipitation will likely be in the form of snow over mountain passes and in higher terrain, with a mix of rain, snow and graupel possible in the valleys.” – NOAA Missoula, MT yesterday

Snow forecast everyday this week at Great Divide ski area, MT. image: noaa, today

NOAA Forecast Discussion Excerpts:

An upper level trof of low pressure will approach the region today.
As a result, expect increasing chances for lower elevation rain
and mountain snow by late this afternoon over the Rocky Mountain
front and across much of Southwest MT. A broad upper level trof of
low pressure will then reside over the region Tuesday through
Thursday...allowing for some passing rain or snow showers and
below normal temperatures to prevail across the region.


Today through Tuesday night...Enough
instability may exist Tuesday afternoon for a few lightning
strikes or isolated rumbles of thunder, but nothing severe is
expected. With low- to mid-level downslope flow persisting across
the plains, shower/thunderstorm chances will be highest over the
mountains of central and southwest Montana, where snow levels will
drop to as low as 5500-feet elevation. 

Wednesday through Wednesday night...

This will set up a potentially prime
situation for widespread rain and mountain snow to develop
especially across parts of southwest and southern parts of central
Montana by late Wednesday into the overnight. This will bear
watching for the potential for moderate to heavy snowfall rates
over higher elevations south of Interstate 90 that could impact
travel. CC

Thursday through Monday...

700 mb temps
will be in the -4 to -6 C range which will be cold enough for snow
at about 6000 feet and higher...with accumulating snow likely above
7000 feet. Friday morning does see slightly cooler
temperatures...possibly lowering snow levels to near 5000 feet and
maybe lower to areas with heavier precipitation. Models currently
indicating a few heavy areas of rain and perhaps snow are possible
at times...mainly across the southwest and to the favored terrain in
an easterly upslope flow across central portions.
High snow probability for Montana on Thursday. image: noaa, today
Great Divide ski area, MT yesterday, September 16th 2017. image: great divide

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