A hot, muggy airmass is set to settle over the Northland next week, with several days of tropical-like dew points between 65 and 75 degrees. Highs are expected to reach the 80s across much of the region, with a few days possibly climbing into the 90s depending on cloud cover and the timing of any storms. Areas near Lake Superior will get some relief from northeast breezes on Monday, but that cooling influence may fade after that.
A few showers may pop up in northern Minnesota on Saturday as warm, moist air moves in, but widespread rain or thunderstorms aren’t expected.
On Sunday, things might change as a warm front slowly pushes north into southern Minnesota. A strengthening low-level jet will likely carry plenty of moisture and instability north of the front. This mix of the jet and the warm front could be just enough to trigger a few rounds of showers and thunderstorms across parts of northern Minnesota and northwest Wisconsin.
Storms could move in early Sunday morning from northwest or west-central Minnesota, potentially affecting parts of the Northland through mid to late morning. Another round is possible Sunday afternoon or Sunday night in parts of the area, with this second batch carrying a higher chance of severe weather.
Northeast Minnesota and far northwest Wisconsin are under a level 2 out of 5, or slight risk, for severe thunderstorms on Sunday, with large hail and damaging winds being the primary threats.
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On Monday, a warm front will continue pushing north from southern Minnesota as low pressure moves northeast across the northern Plains.
The setup for severe weather on Monday looks pretty volatile, with extreme instability and plenty of moisture building over the Northland. However, a significant layer of warm air aloft could cap the atmosphere, potentially preventing thunderstorms from forming.
If the cap is broken by strong forcing from the warm front or by potential outflow boundaries, severe thunderstorms could develop, bringing all hazards such as damaging winds, large hail, and a few tornadoes on Monday and Monday night.
Northeast Minnesota and northwest Wisconsin are still looking at a 15% chance of severe thunderstorms on Monday.
Precipitation totals for Duluth, Minnesota, as of 5 PM on June 26, 2026
Month to date total: 2.70″
Departure: -1.02″
Year to date total: 10.99″
Departure: -2.05″
…Temperature trends…
It’s definitely been a cool stretch in Duluth, Minnesota, with our last above-average temperature occurring on June 12th, about two weeks ago. Since then, temperatures have mostly stayed below average.
June 2026 is about half a degree cooler than average in Duluth.
Daily high temperatures in Duluth, Minnesota for June 2026.
The last time it hit 80 was on June 3rd, over three weeks ago. On average, June usually has about five days at or above 80 degrees.
