A period of heavy rain is forecast to continue into Tuesday June 2nd for northwest Montana. The heaviest rainfall is anticipated across parts of northwest Montana, especially near Glacier National Park with widespread total amounts of 0.5 to 1 inch is expected, with up to 2 inches possible along the Divide. Minor flooding is possible in urban and flood-prone areas, along with rising levels on streams and rivers. There are also risks for mudslides and debris flows in steep terrain. Plan ahead by avoiding travel in vulnerable areas and preparing by making sure the rain and runoff has somewhere to go.