Cemeteries of Ontonagon County - Cemetery transcription library, contains cemetery records with lists of grave sites by name, date of birth and death. 7-Day Forecast for Ontonagon County, Michigan - Detailed 7-day forecast from the NOAA includes, current conditions, radar and satellite images, air quality reports and detailed information. Ontonagon County Airport - Aeronautical information includes location, runway, taxiways, navaids, radio frequencies, FBO information, weather, sunrise and sunset times, aerial photo, airport diagram. Ontonagon County Plat - A detailed, interactive plat map of the county in PDF format. Ontonagon County Chamber of Commerce - Community information and links to local businesses. Ontonagon County MSU Extension - Offers agriculture programs, including master gardener classes and certification, 4H youth development program, family nutrition information, and community development assistance.