Rocky Mountain Weather Forecast

    • 39
    • 49

    Partly Sunny

    • 40
    • 57

    Mostly Sunny

    • 42
    • 60

    Mostly Sunny

    • 44
    • 59

    Partly Sunny

    • 42
    • 56

    Partly Sunny

    • 44
    • 56

    Partly Sunny

    • 38
    • 53

    Chance Rain

Today 19 Sep Southern Rocky Mountain Front

Partly sunny with a 20 percent chance of rain. Highs 49 to 57.

Tonight 19 Sep Southern Rocky Mountain Front

Mostly cloudy early in the evening then becoming partly cloudy. Lows in the lower 40s. Southeast Winds up to 5 Mph shifting to the southwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rocky Mountain Temperature Statistics

September Temperature

Cut Bank, Cut Bank Municipal Airport (57.8 miles)

  • Lowest 17 September, 2026

    37 °F

  • Average September

    55.6 °F

  • Highest 1 September, 2026

    82.7 °F

Climate (2021–2026)

Cut Bank, Cut Bank Municipal Airport (57.8 miles)

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  • Average Low 2021–2026

    31.5 °F

  • Average 2021–2026

    43.8 °F

  • Average High 2021–2026

    55.5 °F
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