Regional Weather Summary
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
883 NZUS01 KTFX 172200 RWSTFX MTZ301>330-181200- Regional Weather Synopsis National Weather Service Great Falls MT 400 PM MDT Mon Aug 17 2026 - Scattered shower and thunderstorm activity continues through Tuesday with a few storms producing localized strong, gusty winds, brief heavy downpours, and hail in addition to cloud to ground lightning. - Warmer, drier, and seasonably breezy conditions move in for the second half of the workweek. - An approaching Pacific trough will bring increased shower and thunderstorm activity, breezy to windy conditions, and elevated fire weather concerns this weekend. &&