Statewide conditions

Updated May 15, 2020

As the state's lead agency for water supplies, we pay close attention to multiple data sources and monitor them closely. The Office of the Washington State Climatologist serves as a credible and expert source of climate and weather information for the state. Their monthly newsletter reviews the previous month’s data and provides an outlook for the coming weeks.

April summary:

April offered near normal temperatures but abnormally low precipitation across Washington. With early loss of snowpack on the eastern slope of the Cascades, coupled with meager rainfall statewide, much of the state ended the month showing mild, moderate, or severe drought conditions. The State Climatologist’s May newsletter provides details, as well as a review of the past winter and a peek at the state’s climate outlook.