Creating metal sculptures designed to withstand extreme weather conditions presents unique challenges for artists and fabricators. One of the primary concerns is material selection, as not all metals can endure harsh environments equally. Stainless steel and corten steel are popular choices due to their corrosion resistance, but each comes with specific limitations in terms of cost and workability.

Structural integrity poses another significant challenge. Sculptures must be engineered to resist high winds, heavy snow loads, and temperature fluctuations that can cause expansion and contraction. Proper anchoring systems and weight distribution become critical design considerations that often require collaboration with engineers.

Surface protection presents ongoing maintenance challenges. Even weather-resistant metals require protective coatings or patinas that must be reapplied periodically. The sculpture's finish must balance aesthetic appeal with practical durability, as some protective treatments may alter the intended visual effect.

Thermal expansion issues frequently complicate large-scale installations. Metal's tendency to expand and contract with temperature changes can lead to warping or joint failures if not properly accounted for in the design phase. This requires careful calculation of expansion gaps and flexible connection points.

Finally, location-specific factors like coastal salt spray, desert UV exposure, or industrial pollution demand customized solutions. Artists must research local climate patterns and potentially modify their standard techniques to ensure the sculpture's longevity in its specific environment. These challenges make weather-resistant metal sculpture creation both a technical and artistic achievement.