000 WWUS85 KMSO 211147 AWWMSO MTC029-220000- Airport Weather Warning National Weather Service Missoula MT 547 AM MDT Sat Apr 21 2018 The National Weather Service in Missoula has issued an Airport Weather Warning for... Glacier Park International Airport /GPI/ for the following threats... Wind 35 mph with gusts to 46 mph will occur between 2 pm and 6 pm today. $$