Perfect weather for Grandma’s Marathon, another heat wave arrives Monday
TONIGHT: High pressure will continue to keep the Northland dry and seasonal during the overnight hours. Clear skies are expected tonight for all of the Northland. Lows will fall to the lower 50s and upper 40s. Winds will continue to be calm between 3-6 mph from the north, but during the overnight hours they’ll change direction to the east-northeast which will affect temperatures significantly in time for the Grandma’s Marathon tomorrow morning.
SATURDAY: During the early morning hours on Saturday when the half and full marathon begins, it will be mostly sunny with cool temperatures in the upper 40s and lower 50s. As the morning continues, clouds will increase for most of the Northland as well as seeing chances of scattered showers, mainly for Itasca, Aitkin, and Koochiching County thanks to a warm front moving over the Dakotas. The rain shouldn’t affect the marathon. A small chance of showers is possible for the Duluth area by late afternoon into the evening hours. Highs will be much cooler thanks to eastern winds reaching only the mid to upper 60s. Winds will be breezy from the east between 10-20 mph. By nightfall, it will be mostly cloudy with chances of scattered showers and storms for the Arrowhead region, Wisconsin, and UP area. Lows will be seasonal in the lower 50s.
SUNDAY: As the warm front moves closer to the Northland, temperatures will warm up once again into the mid 70s for highs. It will be partly to mostly cloudy on Sunday with a small chance of showers and storms early Sunday morning. Winds will start out from the east before changing to the south as the warm front passes over the Northland. This will affect highs for Monday greatly as another heat wave impacts the Northland, this time directly impacting Duluth. Highs will be in the upper 80s and 90s with high humidity.
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