Sign up for an iWitness Weather account at the Weather Channel's iWitness Weather website.
Click on "Upload," then "Photos" from your iWeather home page. You will be directed to this page immediately upon registering for your account or signing in.
Click on the button that says "Choose File" on the Photo Upload page. Select your photos from the list of your computer files.
Add a title, photo location and category to your photo in the areas provided. You may also add a short description, the date the photo was taken and tags to make it easier for others to find your photo.
Click the orange "Upload" button. Your photo will be submitted for review prior to posting. You will receive an email upon approval.