 For NPR News in the Twin Cities, I'm Emily Ries. The hottest weather of the summer so far is on its way to Minnesota for the upcoming weekend. NPR Chief Meteorologist Paul Hutner says we'll continue to see a few pop-up showers and storms today before temperatures start to climb tomorrow and Friday. Paul says the heat and humidity will peak this weekend. Dew points will hit probably the 70s, possibly 80 degrees in southern Minnesota. And when you combine that with highs around 90 on Saturday in the Twin Cities and into the 90s Sunday...