794 FXUS63 KDLH 282315 AFDDLH Area Forecast Discussion National Weather Service Duluth MN 515 PM CST Sat Feb 28 2026 .KEY MESSAGES... - Well below normal temperatures for today and tomorrow with sub zero lows and afternoon highs in the single digits to teens. - Warming again for the coming work week with a daily freeze/thaw cycle likely. Some days with high temperatures in the mid to upper 40s are expected mid to late week with pockets of 50s possible. - A light dusting of snow possible for the Borderlands Tuesday, and then a more active pattern could start up again towards the end of the week. Depending on exact storm track and temperatures, accumulating mixed precipitation could impact the Northland. && .DISCUSSION... Issued at 116 PM CST Sat Feb 28 2026 As high pressure continues to slide into the Upper Midwest and across the Great Lakes this weekend, the Northland should stay under fairly calm and cold conditions. Daytime highs are expected to just barely top out in the single digits and teens today and tomorrow, with sub zero overnight lows. While some mid to high clouds remain prevalent today and this evening from a band of snow to our south, clearing is expected under the heart of the high pressure tomorrow to make for a congruous sunny Sunday. Into next week, we’ll find ourselves stuck in the synoptic doldrums as persistent upper level ridging over the gulf and troughing over the southwest advects copious amounts of moisture and warmth into the south-central CONUS but troughing over Hudson Bay locks our area into fairly zonal flow and on the right exit region of the prevailing jet stream to our north. A momentary break in that jet stream could yield itself to a little clipper brushing over the international border Tuesday that might bring a light dusting of snow to the far north CWA. This pattern should bring warmer temperatures into the region, with highs above freezing expected for all of the Northland through the week but a refreeze at night is likely. Later in the week, global models are generally in agreement that troughing should begin to move over the central CONUS and allow for additional moisture and warm air advection into our area. This will probably mean warmer high temperatures at least into the 40s mid to late week with some areas along the southern CWA border possibly struggling to get below freezing at night. With current snowpack conditions, some transformation and melt is likely through the week, and this may start to eat away at the already meager snowpack that exists along the southern edge of the CWA. The freeze/thaw cycle will also likely lend itself to the potential for fog development. Ensembles are starting to get a little more attached to the idea of a Colorado Low type system that could move over MN/WI in the late Thu - early Sat timeframe impacting the Northland. Depending on the track and intensity of this system, some areas of heavy mixed precipitation (rain, freezing rain, snow) could be possible. At this time range however, it could also shift and miss our area entirely. Something to keep an eye on for now. Once that system moves through, synoptic pattern agreement breaks down with solutions ranging between having more Colorado Low/Gulf air influence from the south or a return to some slightly cooler air and systems that track along the International Border. Eventually ensembles do come back to some agreement showing that cooler airmass pushing into northern MN by mid March, but the disagreement on how fast we get there and what kind of systems we experience before that point is large. && .AVIATION /00Z TAFS THROUGH 00Z SUNDAY/... Issued at 515 PM CST Sat Feb 28 2026 Broken ceilings at around 8 kft and higher will persist this evening, but generally clouds are expected to start clearing out with high pressure passing through on Sunday. Winds are expected to be light and variable as high pressure passes through with VFR conditions through the period. && .MARINE /FOR NEARSHORE WATERS OF WESTERN LAKE SUPERIOR/... Issued at 116 PM CST Sat Feb 28 2026 Fairly calm conditions under high pressure this weekend with light winds out of the northwest to west through midday Sunday. Through Sunday afternoon and evening, winds turn to become southwesterly into Monday. Those SW winds could increase into Monday as warm air surges into the area. Some gusts in excess of 25 knots are possible Monday along portions of the North Shore from Taconite Harbor to Grand Portage. Calmer conditions return into Tuesday. For the open water discussion, refer to the NWS Marquette Area Forecast Discussion at weather.gov/mqt. && .DLH WATCHES/WARNINGS/ADVISORIES... MN...None. WI...None. MARINE...None. && $$ DISCUSSION...Levens AVIATION...JDS MARINE...Levens