Regional Weather Summary
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
576 NZUS01 KTFX 181000 RWSTFX MTZ301>330-190000- Regional Weather Synopsis National Weather Service Great Falls MT 400 AM MDT Tue Aug 18 2026 - Showers and thunderstorms will affect the area this afternoon/evening. - Temperatures will be around seasonal averages throughout this week. - It will be dry Wednesday through Friday with thunderstorms returning this weekend with breezy conditions. &&