Area Forecast Discussion
Issued by NWS Missoula, MT

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FXUS65 KMSO 200831

Area Forecast Discussion
National Weather Service Missoula MT
231 AM MDT Wed Aug 20 2014

...Early fall-like weather on the way Friday into this weekend...

For today and tonight we can expect another round of showers and
thunderstorms associated with a weak impulse ahead of the main
system. Computer models have been showing progressively colder and
wetter scenarios for Friday, Friday night and Saturday with
remnant subtropical moisture interacting with an unseasonably cool
air mass coming down from Canada. Temperatures Friday are expected
to be held down by soaking rain and cloud cover which should keep
valley locations from Missoula northward to Kalispell only in the
60s, then the cool air mass settles in area-wide Saturday morning
with snow levels briefly lowering to 6500 feet in Glacier Park and
near 8000 feet in west central Montana. Regardless of people
seeing rain or snow, it will feel raw, chilly and uncomfortable
for those in the high country. Sensible weather Sunday through mid
next week will generally be pretty pleasant except for a few
showers with cool nights kicking the early fall foliage change
into high gear. /ss


Showers and thunderstorms will be on the increase again after
midday along a mid-level cold front moving from west to east. Best
chance for larger cells is expected from southern Bitterroot Valley
to Salmon with terrain obscured at times through 21/0000z. /ss




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