The National Weather Service warns of potential river flooding in Seattle due to heavy rain from an atmospheric river, with Clallam, King, Snohomish, and Skagit counties at risk.

NWS Sacramento forecasts a minor heat risk with temperatures in the 80s for the Sacramento Valley early in the week, followed by a cooling trend and possible light mountain precipitation.

Honolulu to have mild weather with possible light showers and light east-southeast winds. A distant cold front may cause variability, with a chance of increased showers in Kauai.