Home Midwestern Regional Climate Center Providing high-quality climate data, tools, interactive maps, and customized services since 1982. cli-MATE Data Portal Self-service access to climate data Midwest Climate Watch Monitor recent climate conditions Join Our Team Software Engineer position open! Seasonal Products Seasonal Freeze Maps Monitor current season freeze maps Freeze Date Tool Explore freeze date trends Freeze Probabilities View freeze risk probabilities Highlighted Tools AWSSI Winter Index Track winter season severity Wind Chill Climatology Analyze wind chill climatologies Heating Degree Days Monitor seasonal HDD accumulations Climate Summary Tables Access station normals and extremes Custom Chilling Hours Tool Track station chilling hour accumulations Product Inventory Quickly find MRCC products and resources