The first thing you should look for is a Print button. It's usually found in the File menu (only for when you have a menu bar). In case there is no menubar available within the software, press Windows key then type Snipping Tool. Click on new and drag a selection across the weather region. Save the file as an image and then open it with your favorite image viewer. Go to File > Print and that's it.
Snipping tool looks like this: