The Seattle area is preparing for a significant weather event as heavy rain is expected to impact the region. The National Weather Service (NWS) forecasts a strong frontal system moving in from the Pacific Ocean, bringing substantial rainfall and potential flooding. Accumulation of 2 to 4 inches of rain is expected over the next 48 hours, with the heaviest precipitation occurring late Tuesday night into Wednesday morning. Meteorologists are closely monitoring the situation as the system could lead to localized flooding, especially in low-lying areas and regions with poor drainage. Residents are advised to stay informed and prepare for possible disruptions.