A widespread heat wave will peak over the South and East today, with several dozen temperature records expected along the East Coast. Heat should begin to ease this weekend in the Northeast, while hazardous heat continues over the South. Severe thunderstorms capable of damaging winds are possible across parts of the Appalachians, Mid Atlantic, and Northeast this afternoon and evening. 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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