Here's why:
* "Well" as an adjective: While "well" can function as an adjective meaning "in good health" or "in a satisfactory condition," it typically describes a person or thing, not a situation or state of being. You'd say "He is well" but not "The weather is well."
* "Well" as an adverb: "Well" can also function as an adverb meaning "in a good way," but it would require a verb to modify. You'd say "The job is going well," not just "It is well."
Here are some better options depending on the intended meaning:
* "It is good" (if you mean the situation is satisfactory)
* "Everything is fine" (if you mean everything is alright)
* "It is well-done" (if you are describing something that is cooked well)
* "It is in good condition" (if you are describing something that is in good shape)
Let me know the context of your sentence, and I can help you find the best way to express it.