Fire crews with the Bureau of Land Management continue to work on eight of nine grass fires ignited by a lightning storm that passed through Southwest Idaho around 9:30 p.m. Sunday.

Lightning strikes from the storm were concentrated in three areas —  a line from 10 miles south of Boise to north of Interstate 84 between Mountain Home and Boise; an area about five miles east of Mountain Home; and an area about 20 miles south of Bruneau.

Nine fires were lit by the storm and were still burning as of early Monday afternoon, according to BLM reports. Crews from the Boise, Payette and Sawtooth national forests; Vale, Twin Falls, Idaho Falls, and Winnemucca BLM; and the Grandview Rural Fire Department are assisting the BLM crews on some fires.

Fire officials have brought in a series of planes, air tankers, and helicopters to assist crews on the ground battle the blazes.

The biggest is the Big Hill Fire, which has burned more than 40,000 acres in the desert about 20 miles south of Bruneau.

Three fires have burned more than 5,000 acres each near Orchard, Idaho, which is about 25 miles southeast of east Boise. The Union, East, and Power fires have all burned together and are now all grouped under the Union fire command.

The Char Fire had burned more than 75 acres about 5 miles east of Blacks Creek Road just east of Boise before it was contained as of about 9 a.m. Monday

Sixty acres have burned in the North Char fire, burning on the south side of Lucky Peak Reservoir, as of 2 p.m. Monday.

The Benny Fire has burned 95 acres in the desert about 12 miles east of Mountain Home. The Morrow Fire, burning about 4 miles north of Glenns Ferry, has burned at least 700 acres. A handful of structures are at risk in the fire but no evacuations had been ordered as of 2 p.m.

The Blair Fire, burning about eight miles north of Glenns Ferry, had burned about 1.200 acres as of 2 p.m. Monday.

Check back at Idahostatesman.com later for updates.