Weather
Upper Midwest Halloween Weather: Warmer, Rain Risk Oct. 27–31 Iowa-Minnesota
Minneapolis, MN – Halloween celebrations across the Upper Midwest could feature warmer than normal temperatures, but increasing precipitation chances may complicate outdoor plans ahead of Saturday, Oc
By Mara Ellison · 2026-10-22T09:34:53.284Z
Minneapolis, MN – Halloween celebrations across the Upper Midwest could feature warmer than normal temperatures, but increasing precipitation chances may complicate outdoor plans ahead of Saturday, October 31. Families preparing for trick or treating and neighborhood events should watch for changing conditions during the final days of October.
According to the National Oceanic and Atmospheric Administration's Climate Prediction Center, the October 27–31 outlook favors above normal temperatures across much of Minnesota, Wisconsin, Iowa and the eastern Dakotas, while precipitation probabilities suggest wetter conditions becoming more likely toward the western portion of the region.
Warmer Temperatures Expected
Minneapolis, St. Paul, Madison, Milwaukee, Des Moines and Sioux Falls are generally positioned within areas favoring above average temperatures during the five day period.
The warmer pattern could provide more comfortable afternoon conditions for Halloween activities compared with typical late October weather.
However, nighttime temperatures may still become chilly, particularly across northern Minnesota, Wisconsin and the Dakotas.
Rain Chances Increase Toward the West
The precipitation outlook shows a noticeable difference across the Upper Midwest.
Iowa, southern Minnesota and portions of the eastern Dakotas are closer to areas favoring above normal precipitation, raising the possibility of unsettled weather during October 27–31.
Farther east, including much of Wisconsin, precipitation expectations remain closer to seasonal averages.
For Minneapolis, Des Moines and Sioux Falls, the developing pattern deserves attention as Halloween approaches.
Could Halloween Night Stay Dry?
Saturday evening conditions remain uncertain despite the warmer regional outlook.
Above normal precipitation over five days does not necessarily mean rainfall will occur during trick or treating hours.
Residents should monitor updated forecasts for shower timing, evening temperatures and possible changes in cloud cover.
For now, the Upper Midwest appears favored for warmer than normal weather, with greater precipitation concerns toward the west and southwest.