Atmospheric River in the Pacific Northwest and Northern Rockies this Weekend

A Pacific storm and atmospheric river will impact the Pacific Northwest states and northern Rockies this weekend, bringing locally heavy low elevations rain and heavy high elevation snow in the mountains. By Sunday over the Interior Northwest, rain combined with snowmelt will increase the risk of flood hazards. Flood Watches are in effect. Read More >

The November 2018 climate summaries for Big Piney, Buffalo, Casper, Greybull, Lake Yellowstone, Lander, Riverton, Rock Springs, and Worland are now available online.

November 2018 ranked mainly colder for the month, although a few places did have slightly above normal temperatures. Several locations also reported their coldest days with temperatures at below freezing values. Lake Yellowstone hit -10 degrees on the 12th . The month was on the wet side, with just Big Piney, Buffalo, and Rock Springs having below normal precipitation. Only Riverton and Lake Yellowstone had any low temperature records broken. However, there were several new daily precipitation records set in November. For more information, check out the climate data on our web page. 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.