Weather Underground: Pioneer, Iowa - Active advisories, if any. Current conditions, five-day forecast, local radar and satellite. - http://www.wunderground.com/US/IA/Pioneer.html
City-Data.com: Pioneer, Iowa - Profiles housing, population demographics, jobs, weather and climate tables. Contains a list of area hospitals, schools, airports, radio and TV broadcast stations, photographs and maps. - http://www.city-data.com/city/Pioneer-Iowa.html
Wikipedia: Pioneer, Iowa - Encyclopedia article features geography and demographics of this community in Humboldt County. - http://en.wikipedia.org/wiki/Pioneer,_Iowa