Joe & Joe Weather Show Severe weather tonight in the upper Midwest includes a moderate risk for severe weather. Thursday the risk area shifts to the Ohio Valley, Northeast and Mid Atlantic states with a 2 to 5 percent chance for a tornado. July is winding down with a strengthening northwest flow in the upper atmosphere that will bring lower humidity and cooler air into the Great Lakes and Northeast Friday and Saturday. The tropicsl remain quiet and we look ahead at the long range.