MEDICINE LODGE, Kan. (AP) — The biggest wildfire in Kansas history is largely contained, although firefighting efforts could be hindered by more gusty winds.

The Kansas Forest Service says crews will patrol areas Monday hit by the wildfire that has burned at least 620 square miles in Oklahoma and Kansas since last week.

The service says the fire was 90 percent contained Sunday, and 81 percent contained in Barber County, Kansas, where most of the damage has occurred.

The National Weather Service says winds up to 30 mph, with 40 mph gusts, are expected to hit the sparsely populated fire zone Monday and Tuesday. However an increase in humidity Tuesday coupled with 4 inches of snow that fell Sunday could help firefighters.