Active Weather for the West, Warming in the East

The potential for heavy snow at higher elevations in the western U.S. will continue for many spots through the weekend. In the meantime, the eastern half of the continental U.S. will transition to above normal temperatures ahead of a pair of cold fronts next week that will bring readings back to closer to normal as we approach Thanksgiving Day. Read More >

The December 2017 climate summaries for Big Piney, Buffalo, Casper, Greybull, Lake Yellowstone, Lander, Riverton, Rock Springs, and Worland are now available online.

December 2017 was above normal, temperature-wise and much above normal for precipitaton for most areas. Only Rock Springs and Big Piney were drier than normal, both of which were also much warmer than normal. Big Piney saw it's warmest December on record. See the links below for details for individual sites or click here for Water Year Precipitation summaries for more locations.

If you would like additional/more in-depth climate information, please refer to our Climate Page. Under the Observed Weather tab, you can find the Daily Climate Report (CLI), the Preliminary Monthly Climate Data (CF6), the Monthly Weather Summary (CLM), and the Regional Summary (RTP/STP). The Daily Climate Report will have the weather data for the day (from midnight to 1159 pm). The Monthly Climate Data will have this data for each day of the month, compiling all the daily data into one form. The Regional and State Summaries will have temperature and precipitation data for various locations across the state, updated 4 times a day.