National Weather Service United States Department of Commerce

Highs in the 40s and Mostly Dry For the Rest of the Week

High temperatures will warm into the low and mid 40s Wednesday through Saturday. The weather will be unusually quiet for early December, with little to no snow or rain expected the rest of the week. Read More >


Welcome to the NWS Grand Rapids Cooperative Observer website!
These pages were designed to highlight the important contributions of our cooperative observers and to provide access to the COOP data, and other sources of weather and climate data.

Weather data comes from a wide variety of sources, including satellite, remote sensors, radars, automated observing stations, and volunteer cooperative observers. Each and every day, a wide spectrum of users access these weather data to solve problems and plan their lives. Whether it is a farmer in Michigan, a climate scientist in Europe, or a weather enthusiast in New York, the weather data that our cooperative observers collect has a profound impact on society.

These pages were designed to help our customers access COOP and other sources of data, describe the uses of data, explain how to become an observer, and acknowledge our award winning COOP observers.

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