1-minute Mesoscale Domain Sector GOES-19 (GOES-East) True Color RGB images from the CSPP GeoSphere site (below) showed ice that had formed in far southern Lake Michigan (within the nearshore waters of Wisconsin, Illinois and Indiana) on 20 January 2026.1-minute GOES-19 Visible images with plots of surface winds and surface air temperatures (below) depicted... Read More

Unseasonably cold temperatures were found in the early morning hours of 20 January 2026. This map of observed temperatures from 0800 UTC (2:00 AM CST) shows that a tongue of cold air has plunged southward with subzero temperatures found even in the southern portions of Minnesota and Wisconsin while single-digit... Read More