That doesn't change through September, and the end of fire season, with a "normal" risk of fires for Central Southwest and Southeast Montana. The drop in precipitation at the end of July has been especially impactful for Northwest Montana, with Southwest Montana receiving some rains. 🔥 The fire threat along the eastern border counties will climb due to the threat of thunderstorms the rest of the summer. 37-year-old Aaron Farinacci was spotted by an eyewitness lighting grass where the Old Trails Fire started on Saturday. Spokane County Sheriff John Nowels says Farinacci was initially contacted during the fires, but later identified as the case information developed.