Millions are at risk for severe weather as storms could bring tennis ball-sized hail today CNNSevere Weather Threat Shifts To Plains, Midwest | Weather.com The Weather ChannelCentral US braces for potential derecho packed with ‘extreme’ 100+ mph wind gusts, baseball-sized hail Yahoo! VoicesWeather Alert: severe storm concern continues to climb KWCHStorm Track 3 Forecast: Squall line Sunday, more rounds of storms to come KSN-TV