Simms Weather Forecast

    • 39
    • 68

    Mostly Sunny

    • 43
    • 81

    Becoming Sunny

    • 47
    • 85

    Mostly Sunny

    • 39
    • 69

    Rain Showers Likely

    • 35
    • 56

    Chance Rain Showers

    • 41
    • 69

    Mostly Sunny

    • 46
    • 78

    Mostly Sunny

Today 1 May Cascade County below 5000ft

Partly cloudy in the morning then becoming sunny. Highs 60 to 65. Northwest Winds up to 10 Mph.

Tonight 1 May Cascade County below 5000ft

Mostly clear. Lows around 40. East Winds up to 10 Mph shifting to the south after midnight.

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Simms Temperature Statistics

May Temperature

Great Falls, Great Falls International Airport (25.5 miles)

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  • Average May

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Climate (2020–Present)

Great Falls, Great Falls International Airport (25.5 miles)

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  • Average Low 2020–2025

    33.9 °F

  • Average 2020–2025

    46.2 °F

  • Average High 2020–2025

    58.1 °F
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