Presque Isle County, Michigan - MultiMag - History of the county. Photos and links to local businesses. Presque Isle District Library - Presque Isle District Library, with the Onaway Branch Library, Posen Branch Library and Grand Lake Branch Library, serve the citizens of Presque Isle County, as well as Waverly and Forest townships of Cheboygan County in Northeast Michigan. 7-Day Forecast for Presque Isle County, Michigan - Detailed 7-day forecast, current conditions, radar and satellite images, and information. Leo E. Goetz County Airport - Aeronautical information includes location, runway, taxiways, navaids, radio frequencies, FBO information, weather, sunrise and sunset times, and airport diagram. Presque Isle County Airport - Aeronautical information includes location, runway, taxiways, navaids, radio frequencies, FBO information, weather, sunrise and sunset times, aerial photo, airport diagram. Presque Isle County Plat - A detailed, interactive plat map of the county in PDF format. Presque Isle County MSU Extension - Offers agriculture programs, including master gardener classes and certification, 4H youth development program, family nutrition information, and community development assistance.