Weather Monday December 4 2023 Improving weather from DC to Boston Fair much of the nation

A multi-day atmospheric river event will continue to impact theNorthwest and Rockies with heavy rain and significant mountain snowfallSunday and into Monday......Unsettled weather is forecast across the eastern third of the countrywith rain along the East Coast & wintry weather from parts of the Midwestand Great Lakes to northern New England......Generally milder than normal temperatures expected for across most ofthe Lower 48...