
A strong atmospheric river will continue moderate to heavy rainfall with possible flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. today into Thursday. Additional impacts are likely into Friday with a cold front. A fast-moving storm system will cross the Northeast U.S. today into Thursday with gusty to high winds and areas of rain and high elevation snow showers. 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.