It's cold west of Montana, wetter east of Montana (2,7)

I believe the answer is:

mt rainier

I'm a little stuck... Click here to teach me more about this clue!

'it's cold west of montana' is the definition.
I don't know anything about this answer so I can't tell whether this works.

'wetter east of montana' is the wordplay.
'wetter' becomes 'rainier' ('rainy' can be similar in meaning to 'wet').
'east of' says to put letters next to each other (some letters go to the right of others).
'montana' becomes 'mt' (abbreviation).
'rainier' put after 'mt' is 'MT RAINIER'.

Can you help me to learn more?

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.