Friday's weather for Duluth and the Northland: Rain and snow moving inTODAY: A small trough in the jet stream will swing over the Northland bringing in a low-pressure system. This will give us southerly flow that warms us into the mid-30s. It also will give us mostly cloudy skies and a 50 percent chance of some rain and snow. Most of the moisture looks to be north of the Twin Ports. Expect southeast winds at 5-15mph.