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  • BoulderCAST Daily – Tue 11/04/25 | Soaring into the 70s today, but a tad cooler tomorrow behind another dry cold front

    BoulderCAST Daily – Tue 11/04/25 | Soaring into the 70s today, but a tad cooler tomorrow behind another dry cold front

    6 hours ago
    🌡️ Morning temperature split:  Thanks to weak downslope winds, some areas are waking …
  • This Week in Colorado Weather: November 3, 2025

    This Week in Colorado Weather: November 3, 2025

    1 day ago
    Sunday’s record-breaking November heat will give way to a dramatic cooldown on Monday, …
  • BoulderCAST Daily – Sun 11/02/25 | Highs reach the 70s on this Sunday

    BoulderCAST Daily – Sun 11/02/25 | Highs reach the 70s on this Sunday

    2 days ago
    🌞 Sunny and great to end the weekend: Middle 70s engulf the Front …

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Morning rainbows are not unheard of in Boulder; they are just extremely rare. We estimate that 5% or less of our visible rainbows occur in the morning.

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  • This Week in Colorado Weather: November 3, 2025
    This Week in Colorado Weather: November 3, 2025
  • BoulderCAST Daily – Tue 11/04/25 | Soaring into the 70s today, but a tad cooler tomorrow behind another dry cold front
    BoulderCAST Daily – Tue 11/04/25 | Soaring into the 70s today, but a tad cooler tomorrow behind another dry cold front
  • November begins warm and dry; Boulder may challenge its latest first snowfall record
    November begins warm and dry; Boulder may challenge its latest first snowfall record
  • The 2013 Boulder Flood: Ten years and three billion dollars later
    The 2013 Boulder Flood: Ten years and three billion dollars later

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