Lois Lake Weather Forecast

    • 36
    • 59

    Partly Sunny

    • 41
    • 71

    Sunny

    • 42
    • 74

    Chance Rain

    • 36
    • 62

    Rain Likely

    • 33
    • 51

    Slight Chance Rain

    • 37
    • 61

    Mostly Sunny

Today 1 May Butte/Blackfoot Region

Mostly sunny. Highs in the upper 50s to mid 60s.

Tonight 1 May Butte/Blackfoot Region

Mostly clear. Lows in the 30s.

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Lois Lake Temperature Statistics

May Temperature

Helena Regional Airport (23.6 miles)

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  • Average May

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Climate (2020–Present)

Helena Regional Airport (23.6 miles)

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  • Average Low 2020–2025

    36.1 °F
  • Average 2020–2025

    47.4 °F
  • Average High 2020–2025

    59.2 °F
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