It turns out, it wasn't mother nature - it was the military. Late Wednesday afternoon the National Guard admitted one of their jets broke the sound barrier over southeast Wisconsin while conducting routine training exercises.
It's important to note that no damage was reported from the booms, maybe just a few people losing some sleep.
Be sure and try our new SNOWCAST APP! It is the "snow equivalent to STORM SHIELD" - a great new product that gives you high resolution snow forecasts for any part of the nation! It has just been introduced for iPhones, but we are working on the Android version! Just search SNOWCAST in the App Store or click here.