Recent warm weather means the mountain snowpack is melting. Officials say there are a few spots in western Montana where there's a healthy snowpack.
That includes Lincoln County, Sanders County, and Mineral County, in the northwest corner of Montana and west of Missoula. Rain could push rivers and streams there over the banks. Officials want people to be prepared after last year.
Hydrologist Ray Nickless says it's a good idea to be prepared for the rising waters.
"I would be prepared this year also that goes without saying, just about every year, you know you need to be prepared when you're living that close to the river," said Nickless.
The Missoula National Weather Service projects some northwest Montana rivers could crest as high as or higher than last year's floods.