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Why does Montana have such extreme temperature swings? (video)

Why does Montana have such extreme temperature swings?
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GREAT FALLS — Montana is a land of contrast in some ways - for example, lush forests in the west, plains in the east - and extreme temperature swings are a hallmark of Big Sky country.

Here are three notable examples:

  • December 24, 1924 - Fairfield: 63° to -21° in 12 hours (84° drop)
  • January 11, 1980 - Great Falls: temp rose 47° in just 7 minutes
  • January 15, 1972 - Loma: -54° to 49° in 24 hours (103° rise)

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Montana extreme temperature swings