The most common and most likely answer to this crossword clue is the 4 letter word UTAH
I've seen this crossword clue in The Sunday Telegraph
U
T
A
H
More clues leading to the result UTAH
- Part of US not entirely without a harvest
- American location in Connecticut a haven
- US state - limits to unspoilt area here initially
- State area in central Monmouthshire
- Some uprising with a turbulent US state
- State university — something one would tip to rise?
- State that, unfortunately, one must retire to read
- Place with Mormons making do with one husband
- US territory acceding haltingly, primarily?
- State our trash should be regularly disposed of
Buddy explains!
The straight part
We know that "Western state" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case western state = utah.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.