Varningar, Interstate 84 Eastbound Exit 338

Hydrologic Outlook issued June 1 at 2:34PM MDT by NWS Boise ID ESFBOI Synopsis: An atmospheric river in the Pacific is bringing abundant moisture to the region. Storm total rainfall amounts in the Outlook area range from 1" in valleys to 2" on ridges. Rainfall amounts underestimate flood potential as snowpack melt will add snow-water equivalent contributions of around 2". Where: Elkhorn and Wallowa Mountains in Oregon. Adams, Washington, northern Gem, Valley, Boise, and northern Elmore counties in Idaho. When: Rainfall beginning Sunday evening and ending Monday evening. Rain will expand from NW to SE in the first few hours. What: Moderate rainfall leading to rises in creeks, streams, rivers, and lakes. Rainfall could be locally heavy Monday morning and Monday afternoon/evening as terrain driven storms become more likely leading to potential for minor flooding. Potential for mud or rockslides. The next update will be provided early Sunday morning. Continue to monitor the latest forecasts and river forecasts from the National Weather Service.