Summer-like heat locks in over the Upper Midwest, Northern Plains

Summer-like heat locks in over the Upper Midwest, Northern Plains

Summer-like temperatures have reached the Upper Midwest and the Northern Plains for the first time this year. After a cooler-than-average start to May, temperatures will climb into the 80s and 90s across the region. Beyond this week, long-range forecasts show the warmth sticking around through the beginning of June.