Weather for Rock Island Old Stone Arch Trail, IA - Rock Island Old Stone Arch Trail, IA Weather, Current Weather in Rock Island Old Stone Arch Trail, IA. Local weather report for Rock Island Old Stone Arch Trail, IA, Local Rock Island Old Stone Arch Trail, IA weather. Forecast for Rock Island Old Stone Arch Trail, Iowa, Rock Island Old Stone Arch Trail, IA weather forecast. Find your local Rock Island Old Stone Arch Trail weather forecast. Rock Island Old Stone Arch Trail, IA weather conditions.