Phillips Reservoir Weather Forecast

    • 24
    • 31

    Cloudy

    • 18
    • 28

    Chance Snow

    • 13
    • 26

    Blowing Snow

    • -2
    • 20

    Mostly Cloudy

    • 4
    • 13

    Partly Sunny

    • 13
    • 26

    Partly Sunny

    • 20
    • 35

    Mostly Cloudy

Today 19 Jan Southwest Phillips

Mostly sunny this Morning, then becoming mostly cloudy. Highs in the mid 30s. Northwest wind 5 to 10 Mph.

Tonight 19 Jan Southwest Phillips

Cloudy. A slight chance of snow after midnight. Near steady temperature in the mid 20s. Northwest wind around 5 Mph, increasing to west 10 to 15 Mph after midnight. Chance of snow 20 percent.

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  • Temperature Real-Time

Phillips Reservoir Temperature Statistics

January Temperature

Lewistown, Lewistown Municipal Airport (66.5 miles)

  • Lowest 17 January, 2026

    12 °F

  • Average January

    38.1 °F

  • Highest 14 January, 2026

    64 °F

Climate (2021–Present)

Lewistown, Lewistown Municipal Airport (66.5 miles)

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  • Average Low 2021–2026

    32.4 °F

  • Average 2021–2026

    44.6 °F

  • Average High 2021–2026

    56.6 °F
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