Questions & Answers about Если будет тепло, роза скоро зацветёт.
That is a very common question.
In Russian, after если you can use the future tense when you are talking about a real future condition:
- Если будет тепло, ... = If it is / will be warm, ...
This is normal Russian. English usually prefers the present tense after if, but Russian does not have that restriction in the same way.
Compare:
- Если будет тепло, мы пойдём гулять. = If it’s warm, we’ll go for a walk.
- Если будет дождь, мы останемся дома. = If it rains, we’ll stay home.
So even though English says if it is, Russian naturally says если будет.
Russian does not use a dummy subject like English it in weather and general-condition expressions.
English says:
- It is warm
- It is cold
- It is dark
Russian simply says:
- тепло = (it is) warm
- холодно = (it is) cold
- темно = (it is) dark
So:
- Если будет тепло literally looks like If will-be warm
- but the natural English translation is If it is warm
This is called an impersonal construction: there is no real grammatical subject.