Evacuation levels in Glacier National Park are being downgraded as the weather improves and more firefighters arrive to battle the blaze.

The fire along the west side of St. Mary Lake is now 20 percent contained.

Some 570 firefighters are now on hand to battle the blaze, now estimated at about 5 square miles.

A mandatory evacuation along the west shore of Lower St. Mary Lake has been downgraded to a warning.

Firefighters say they were assisted by a small amount of rain Saturday. More rain is possible Monday.

Much of Going-to-the-Sun Road remains closed. Also, the Rising Sun Motor Inn and Rising Sun campground remain under evacuation orders and are closed.