Areas of rain and thunderstorms are forecast Monday across the central and eastern states. Some mixed rain and snow is possible in the high Sierra Mountains. Heavy to excessive rain may bring flooding in the central Appalachians. 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.
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