Monsoon season is in full swing across parts of the western United States as areas from Nevada to Oklahoma — including most of the state of Colorado — are under a flash flood watch for the next couple of days. Parts of the region could see three to four inches of rain by the time the event is over on Wednesday.

Thunderstorms on the northern Plains are some of the most breathtaking sights that nature can produce, and a handful of storm chasers were in the sweet spots yesterday to capture these incredible pictures of the storms.