Severe Weather and Excessive Rainfall Threats

Rain with embedded thunderstorms will continue to impact the central portions of the country and Southern Florida through the middle of the week. Instances of flash flooding and severe thunderstorms are in the forecast for these aforementioned areas. Meanwhile, another storm system will approaching the Four Corners region for renewed showers and thunderstorms during the week. 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.