Search results
The Illinois State Climatologist provides maps of current climate conditions in Illinois including precipitation, mean temperature, maximum temperature, minimum temperature, and snowfall for selected time periods. These are typically updated around 11 am each day.
Here are extensive climate statistics for individual sites in Illinois, including monthly normals and extremes. Stations were chosen based on length of record and completeness of data. Normal monthly temperature and precipitation data for all sites can be downloaded (Excel) .
The Climate Atlas of Illinois focuses on climate conditions over the past 100+ years of high-quality, extensive climate data collection by the National Weather Service and by the Illinois State Water Survey through numerous extensive, unique field measurements since 1947.
Here are extensive climate statistics for individual sites in Illinois, including monthly normals and extremes. Stations are chosen based on length of record and completeness of data.
1 maj 2024 · The Local Climatological Data Version 2 (LCDv2) summaries provide a monthly synopses of climatic values for individual weather stations. LCDv2 supersedes the original LCD (v1) product, and contains identical data plus additional elements and stations.
Maps of current precipitation, mean temperature, maximum temperature, minimum temperature, and snowfall in Illinois. These maps typically update by 11 am each day. Additional maps for the Midwest are available from the Applied Climate Information System .
The summaries cover assessment topics directly related to NOAA’s mission, specifically historical climate variations and trends, future climate model projections of climate conditions during the 21st century, and past and future conditions of sea level and coastal flooding.
