
Catastrophic Super Typhoon Bavi's eyewall has reached Rota and is expected to bring dangerous winds, heavy rainfall and storm surge to Guam, Rota, Tinian and Saipan. A Typhoon Warning remains in effect. Heavy to excessive rainfall will continue to bring a flooding threat from coastal Mid-Atlantic to southern New England through Monday. Read More >
The following graphics show daily records for temperatures, precipitation, and snowfall for each day of the year at several observing sites across western South Dakota and northeastern Wyoming. Many of these sites are maintained by cooperative observers, a program which you can learn more about here. We are in the process of quality controlling past data, so some of these values are subject to change. To view the records, hover over a location on the left and choose the desired tab along the top of the page.