На улице дует сильный ветер, поэтому я закрываю окно.

A strong wind is blowing outside, so I am closing the window.

Breakdown of На улице дует сильный ветер, поэтому я закрываю окно.

• я: I
• на: on
• улица: the street
• окно: the window

Questions & Answers about На улице дует сильный ветер, поэтому я закрываю окно.

Why is it на улице, and what case is улице?

На улице is a very common Russian expression meaning outside, outdoors, or literally in the street.

• улице is the prepositional singular form of улица.
• After на when talking about location, Russian usually uses the prepositional case.

So:

• улица = street
• на улице = on the street / outside

In this sentence, На улице is best understood as outside.

Why does Russian say дует ветер? Why use the verb дуть?

Russian often describes wind with the verb дуть, which means to blow.

So:

• дует ветер = the wind is blowing

This is a normal, natural way to say it in Russian. English often prefers It’s windy or A strong wind is blowing, but Russian commonly uses the actual subject ветер with the verb дуть.

Why is it сильный ветер and not сильное or сильная?