ELY, Minn. (WCCO) — Crews battling the Boundary Waters Canoe Area Wilderness blaze have more than just flames to worry about.

Recent rains have been a good thing — for the most part.

READ MORE: 'This Is A Test For Minnesota': Protesters Outside Governor's Mansion Call For Justice In Derek Chauvin Trial

“You know, with the rains, they’re warning them to watch for hypothermia,” said Brenda Bowen, spokesperson for the Pagami Creek Fire team.

NewsRadio 830 WCCO’s Steve Murphy Reports

READ MORE: Police Seek Suspect In Fatal Shooting Near George Floyd Memorial

She said strong winds also are a challenge, not only because they fan the flames; they also make the water choppy.

“A lot of these people have never canoed before, so then you add rough water in addition to that. It certainly is a concern for us,” Bowen said.

MORE NEWS: As Spring Allergies Spike, Doctors Say Test For COVID As A Precaution

Many firefighters can access the fire line only by water. The cost of the firefighting effort is now estimated at $12 million.