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

5-minute CONUS Sector GOES-19 (GOES-East) Water Vapor and Infrared images (above) showed the development of a standing wave cloud over northeast Minnesota and Lake Superior on 19 January 2026. This cloud feature was formed by a vertically-propagating internal gravity wave that resulted from the interaction of post-frontal northwesterly surface winds with the... Read More

Strong northerly winds created blowing snow and blizzard conditions across parts of eastern North Dakota and western Minnesota — particularly within the Red River Valley — on 17 January 2026. 5-minute CONUS Sector GOES-19 (GOES-East) Near-Infrared “Snow/Ice” images (above) showed the development of Horizontal Convective Rolls (HCRs) where winds were channeled down the... Read More

Much of the state of Alaska is finds itself impacted by a strong atmospheric river on Friday, 16 January 2026. Moisture has been plunging due north from the tropics to the southern coast of Alaska. The river has brought with it precipitation and temperatures well above normal. One of the... Read More