The fire started after a car struck the apartment's outside gas meter.
The soldiers were in Kabul "helping secure Hamid Karzai International Airport."
Highways are closed and people are being evacuated as the wildfire grows.
A massive blaze could be seen from far away Sunday.
"Everyone can return to their homes on Mille Lacs Island Resort," the update said.
The inadvertent alert had some local authorities scrambling for answers.
The fire chief said it's the first call of its kind in his 18 years on the job.
The evacuation was ordered around 4 p.m. Monday.
At least two county sheriff departments are being inundated with calls.
It happened just days after a mass shooting at a Walmart in Texas.
All students and non-essential staff have been sent home.
An ice jam caused a creek near Jordan to overflow.