First, decide on the main idea or theme of your story. Then, think about the beginning, middle, and end. Outline the key events and conflicts that drive the story forward. Also, consider the characters and their development.
Well, writing a plot outline for a short story involves coming up with a clear beginning that sets the stage. Then, plan the challenges and obstacles the characters face. The climax should be the most intense point. Finally, have a conclusion that ties everything up neatly. Don't forget to sprinkle in some surprises along the way!