Long-Range Weather Forecast for Flandreau, SD

June 2026 Long Range Weather Forecast for Upper Midwest

Dates	Weather Conditions
Jun 1-7	Scattered t-storms, some heavy; turning warm
Jun 8-17	Rainy periods, cool
Jun 18-22	Scattered t-storms, warm
Jun 23-30	Sunny, turning hot
June	temperature 64° (avg.) precipitation 3.5" (1" below avg.)

July 2026 Long Range Weather Forecast for Upper Midwest

Dates	Weather Conditions
Jul 1-3	Sunny, hot
Jul 4-10	Scattered t-storms, turning cool
Jul 11-20	Isolated t-storms, cool
Jul 21-31	Sunny, then scattered t-storms; turning warm
July	temperature 68° (1° below avg.) precipitation 2.5" (1" below avg.)

12-Month Long-Range Weather Outlook

November 2025 to October 2026

Winter temperatures will be above normal, with the coldest periods in much of December, early and late January, and early February. Precipitation and snowfall will be below normal. The snowiest periods will occur in late November, late January, and early February. During April and May, it will be cooler and drier than normal in the east, while the west will be warmer than normal with above-normal precipitation. Summer will be cooler and drier than usual. The hottest periods will be in late June and early July. September and October will be cooler and drier than normal.

See the complete 12-month weather forecast in The Old Farmer’s Almanac..

Weather Trend Graph

November 2025 to October 2026