National Weather Service United States Department of Commerce

Heavy Rain and Thunderstorms in the Plains; Snow in the Northern Rockies; Heavy Rain in Guam

A storm system moving over the Rockies today will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Heavy snow expected from northwestern Wyoming into southern Montana. Ongoing heavy showers and thunderstorms from Invest 96W could result in localized flash flooding, particularly in central or southern Guam early this morning. Read More >


 

 

The repository for Official and Certifiable climatological data for the United States is at the National Centers For Environmental Information in Asheville, North Carolina. The unofficial climatological information presented on this page is for your convenience only. This data is usually updated once a year or on an as needed basis.