A fire on the base was spreading due to high winds, according to the Municipal District of Wainwright.
According to an update around 7 p.m., the fire south of Wainwright crossed the base fence earlier in the day and was being actively managed.
Much of Alberta was under wind warnings on Saturday, and guts of up to 100 km/h were reported in parts of the province.
The active fire area is south of Township Road 44-0.