Jun 24, 2013 4:41 PM by Erin Yost - StormTracker Weather Center
MISSOULA - A system off the Pacific Northwest coast has created a southwesterly flow which is throwing moist and unstable air into the northern Rockies. This will be the forecast for Monday, Tuesday and possibly Wednesday, with highs in the upper 60s to mid 70s.
Beyond that, high pressure looks to settle in beginning Wednesday night/Thursday. Under this ridge, which is looking stronger and stronger as model runs come in, expect quite a bit of sunshine and well above average temps!
Right now, it looks like we could make it into the 80s for Thursday, and the 80s and 90s for Friday, Saturday and Sunday across western Montana.
An afternoon thunderstorm, mainly dry-based meaning little moisture & gusty winds being the main byproduct, can't be ruled out. It's still too early to tell exactly where the high will be centered, and that's important because it dictates whether or not or how much moisture could make its way towards us.
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