The uppermost states have the best chance of spotting auroras.Credit: Vithun Khamsong / Getty ImagesSkywatchers, be on the lookout tonight as the northern lights are set to make another appearance.According to the latest forecast from the National Oceanic and Atmospheric Administration's Space Weather Prediction Center (SWPC), geomagnetic storm conditions are expected to strengthen tonight, May 7, with isolated minor to moderate (G1-G2) periods …