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  • BoulderCAST Daily – Sun 01/04/26 | Red Flag Warning in effect for some

    BoulderCAST Daily – Sun 01/04/26 | Red Flag Warning in effect for some

    19 hours ago
    🌤️ Mild but Red Flag Warning in effect for some of us: Highs …
  • BoulderCAST Daily – Sat 01/03/26 | Mild and dry through the middle of next week

    BoulderCAST Daily – Sat 01/03/26 | Mild and dry through the middle of next week

    2 days ago
    🌤️ Mild through the middle of next week: Highs hover in the upper …
  • BoulderCAST Daily – Fri 01/02/26 | A quiet and mild weekend

    BoulderCAST Daily – Fri 01/02/26 | A quiet and mild weekend

    3 days ago
    🌤️ Warm Start to 2026: Highs hover in the upper 50s to lower …

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We often show 500 mb vorticity forecast maps on the site. They provide a great “overview” or “first-look” at the large-scale weather set-up, with troughs and ridges clearly visible.

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  • BoulderCAST Daily – Sun 01/04/26 | Red Flag Warning in effect for some
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