Weather
Duluth, MN Weather Oct. 22–24: Fog Tonight, Rain by Friday
Duluth, MN – Residents across the Duluth area and surrounding communities can expect unusually warm temperatures through the end of the week, but changing weather conditions could bring fog overnight
By Owen Prescott · 2026-10-21T21:31:09.639Z
Duluth, MN – Residents across the Duluth area and surrounding communities can expect unusually warm temperatures through the end of the week, but changing weather conditions could bring fog overnight and increasing rain chances heading into the weekend. The shift begins Wednesday night, Oct. 21, 2026, with rain returning Friday, Oct. 23.
According to the National Weather Service NWS Duluth office, quiet weather will continue through Thursday, Oct. 22, although areas of fog are likely Wednesday night, especially across northwestern Wisconsin. Overnight temperatures across the region are expected to fall between 32 and 42 degrees.
Fog Possible Before a Warm Thursday, Oct. 22
Drivers traveling around Duluth, Superior and surrounding communities should remain alert for locally reduced visibility Wednesday night, Oct. 21, into Thursday morning, Oct. 22.
Thursday will feature mostly sunny to sunny skies, with additional cloud cover possible near Lake Superior.
Afternoon highs are forecast between 64 and 72 degrees, while overnight lows will range from 41 to 51 degrees.
Rain Chances Return Friday, Oct. 23
By Friday afternoon, Oct. 23, rain chances will begin increasing across northern Minnesota.
The highest chances are expected across north central Minnesota, with lower probabilities farther east toward Duluth and northwestern Wisconsin.
Despite the approaching rain, temperatures will remain unusually warm, reaching 65 to 74 degrees Friday afternoon.
Overnight lows are expected between 49 and 59 degrees.
More Widespread Rain Saturday, Oct. 24
Rain chances are expected to become more widespread Saturday, Oct. 24, as partly to mostly cloudy skies develop across the region.
Saturday's highs will range from 66 to 73 degrees, with overnight lows between 35 and 51 degrees.
Communities along Lake Superior's North Shore could experience temperatures approximately 5 to 10 degrees cooler than inland locations Thursday through Saturday.
Residents planning outdoor activities or weekend travel should monitor updated forecasts as rain chances increase.