Regional Weather Summary
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
839 NZUS01 KTFX 181000 RWSTFX MTZ301>330-190000- Regional Weather Synopsis National Weather Service Great Falls MT 400 AM MDT Fri Sep 18 2026 - Thunderstorms, a few of which look to be on the stronger side, develop through the day today, mostly across Central and Southwest Montana. - Areas of precipitation continue into Saturday, resulting in increased concerns for localized flooding. - A drier and warmer stretch looks to ensue late weekend through much of next week. &&