Regional Weather Summary
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
029 NZUS01 KTFX 211000 RWSTFX MTZ301>330-220000- Regional Weather Synopsis National Weather Service Great Falls MT 400 AM MDT Fri Aug 21 2026 - Very warm and dry conditions prevail again today with widely scattered gusty showers and thunderstorms moving in from the southwest this evening into tonight. - After another very warm day on Saturday, scattered afternoon and evening showers and thunderstorms will develop in a southwest to northeast fashion, some storms will contain strong, gusty winds, heavy downpours capable of localized flooding over burn scars, and dangerous cloud to ground lightning. - A surface front will bring gusty winds and elevated fire weather concerns on Sunday, there will also be a few lingering showers and storms east of I15. - There will be a modest cooldown early next week with some widely scattered showers and storms, mostly over southwest Montana. &&