658 NZUS01 KTFX 152200 RWSTFX MTZ301>330-161200- Regional Weather Synopsis National Weather Service Great Falls MT 400 PM MDT Wed Apr 15 2026 - Chances for lower elevation rain/isolated thunder and mountain snow increases this afternoon and evening. - A cold front will transition rain to snow, bringing cold temperatures Thursday and a slight chance for snow squalls along I-90 tonight. - Isolated to scattered snow showers continue Thursday afternoon into Friday morning. - A warming trend and drier conditions trending for the weekend and into the beginning of next week. &&