What conditions do meteorological stations need to accurately forecast the weather?

Accurate observation data, that is, initial field, including conventional observation and unconventional observation such as radar and satellite;

The operation results of different scales and reasonable weather models, that is, the forecast field;

Weather and climate data for many years, that is, background field;

Experienced forecasters, combining these data and experience, come to a conclusion.

Roughly speaking, that's all, but in fact there is a lot of work to be done in each part