Arctic blast: Homeless advocates move most occupants of Missoulaâs outdoor camp into hotels Missoula Current The National Weather Service in Missoula warned of life-threatening wind chill factors as low as minus 35 degrees. The winter weather advisory predicted another one to three inches of snow and possible blizzard conditions. and last updated 2021-02-11 21:52:11-05 MISSOULA â With sub-zero temperatures and frigid winds, homeless advocates on Thursday expressed concern over the safety of residents remaining at Missoulaâs secure outdoor tent camp set up to house a small population of homeless. In the first true arctic blast of the season, temperatures in Missoula hit zero degrees on Thursday morning, though that may be warm compared to the coming days.