Phillips Reservoir Weather Forecast

    • 53
    • 73

    Increasing Clouds

    • 32
    • 63

    Rain

    • 30
    • 45

    Mostly Sunny

    • 30
    • 43

    Mostly Cloudy

    • 31
    • 44

    Mostly Cloudy

    • 32
    • 48

    Chance Rain/Snow

Today 22 Oct Southwest Phillips

Sunny. Highs in the lower 70s. West wind around 5 Mph, becoming southeast this afternoon.

Tonight 22 Oct Southwest Phillips

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 50s. Southeast wind 5 to 10 Mph, becoming southwest after midnight.

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Phillips Reservoir Temperature Statistics

October Temperature

Lewistown, Lewistown Municipal Airport (66.5 miles)

  • Lowest 13 October, 2026

    19.7 °F

  • Average October

    48.1 °F

  • Highest 5 October, 2026

    84.7 °F

Climate (2021–2026)

Lewistown, Lewistown Municipal Airport (66.5 miles)

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  • Average Low 2021–2026

    32.6 °F

  • Average 2021–2026

    44.9 °F

  • Average High 2021–2026

    57 °F
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