Weather for Sioux Center High School, IA - Sioux Center High School, IA Weather, Current Weather in Sioux Center High School, IA. Local weather report for Sioux Center High School, IA, Local Sioux Center High School, IA weather. Forecast for Sioux Center High School, Iowa, Sioux Center High School, IA weather forecast. Find your local Sioux Center High School weather forecast. Sioux Center High School, IA weather conditions.