CHEYENNE, Wyo. (AP) — A wildfire in the Medicine Bow National Forest in southeast Wyoming has grown to about 1,000 acres.

On Monday, the fire was under 100 acres, but strong winds drove the fire Monday and Tuesday.

The fire is burning about 20 miles northwest of Wheatland and about 5 miles southeast of Laramie Peak in an area mixed with ponderosa pine, brush and grass. Lightning is suspected to have started it on Sunday night.

There is a church camp and other structures in the area but so far no structures are threatened.

About 120 firefighters and a helicopter are on site, but fire managers are calling in four airtankers to aid the effort.

Elsewhere in Wyoming, firefighters quickly extinguished small fires near Lander and northeast of Rawlins.