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Maps of annual, winter, spring, summer, and fall wind speed (mph) in Illinois, based on data from 1991-2000 and measured at the standard height of 33 feet (10 meters). Data from Illinois Climate Network and NWS sites. Click on each figure to enlarge.
The Monthly Mean Wind Speed map for each month shows the overall average wind speed at each location. The Wind Speed Anomaly maps show where average wind speed was slower (blue) or faster (red) than the recent 30-year average.
Maps of annual, winter, spring, summer, and fall wind speed (mph) in Illinois, based on data from 1991-2000 and measured at the standard height of 33 feet (10 meters). Data from Illinois Climate Network and National Weather Service sites.
Areas with good exposure to prevailing winds and annual average wind speeds around 4 meters per second and greater at a 30-m height are generally considered to have a suitable wind resource for small wind projects. Small wind turbines are typically installed between 15 and 40 m high.
Wind Roses and Wind Frequency Tables for Illinois Dr. Jim Angel, State Climatologist. These data are compiled from the available sites that have long-term wind statistics. The averaging period is 1961 to 1990, rather than 1971-2000, due to limitations in the software.
Annual average wind speed from 10m to 200m elevation developed by National Renewable Energy Laboratory (NREL) for land and offshore wind energy planning.
Climate and Average Weather Year Round in Illinois United States. We show the climate in Illinois by comparing the average weather in 3 representative places: Chicago, Springfield, and Carbondale. You can add or remove cities to customize the report to your liking. See all locations in Illinois.
