343 AWUS85 KTFX 302300 RWSTFX MTZ301>330-311300- Regional Weather Synopsis National Weather Service Great Falls MT 400 PM MST Tue Dec 30 2025 - It will be warm and mostly dry through the end of the work week. - Light snow will return to the mountains Friday through this weekend. - It will be windy at times through the work week with the strongest winds along the Rocky Mountain Front tonight through Wednesday. &&