Why isn't the weather forecast displayed in vista's sidebar? How to set it?

Right click-Attribute-Enter the name of your city {If you enter Chinese first, you can't enter Chinese Pinyin, and you must also have capitalized English abbreviations of countries, provinces and cities (autonomous regions and municipalities directly under the Central Government).

Or you can directly change the region to the United States, but many programs are displayed in English, so it is not recommended if your English is not good.