Phillips Reservoir Weather Forecast

    • 71
    • 94

    Increasing Clouds

    • 72
    • 99

    Hot

    • 73
    • 104

    Hot

    • 71
    • 99

    Hot

    • 70
    • 96

    Mostly Sunny

    • 70
    • 94

    Mostly Sunny

Today 23 Jul Southwest Phillips

Sunny with a 20 percent chance of Showers. Highs around 90. West wind around 5 Mph, becoming south this afternoon.

Tonight 23 Jul Southwest Phillips

Partly cloudy with a slight chance of Showers in the Evening, then mostly clear after midnight. Lows in the lower 70s. Southwest wind 5 to 10 Mph, becoming west after midnight. Chance of rain 20 percent.

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  • Temperature Real-Time

Phillips Reservoir Temperature Statistics

July Temperature

Lewistown, Lewistown Municipal Airport (66.5 miles)

  • Lowest 10 July, 2026

    50.6 °F

  • Average July

    73.3 °F

  • Highest 12 July, 2026

    101.6 °F

Climate (2021–2026)

Lewistown, Lewistown Municipal Airport (66.5 miles)

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  • Average Low 2021–2026

    32.4 °F

  • Average 2021–2026

    44.7 °F

  • Average High 2021–2026

    56.8 °F
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