Willow Creek Reservoir Weather Forecast

    • 53
    • 62

    Rain Showers

    • 49
    • 72

    Chance Thunderstorms

    • 52
    • 79

    Mostly Sunny

    • 56
    • 87

    Mostly Sunny

    • 55
    • 89

    Mostly Sunny

    • 55
    • 88

    Partly Sunny

    • 57
    • 86

    Partly Sunny

Today 21 Jul Southern High Plains

Cooler, cloudy. Chance of rain Showers late in the Morning, then rain Showers likely and slight chance of Thunderstorms in the afternoon. Highs 60 to 65. Northeast Winds 5 to 15 Mph. Chance of precipitation 70 percent.

Tonight 21 Jul Southern High Plains

Rain Showers and chance of Thunderstorms in the Evening, then chance of rain Showers after midnight. Lows 50 to 55. North Winds up to 10 Mph. Chance of precipitation near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Willow Creek Reservoir Temperature Statistics

July Temperature

Great Falls, Great Falls International Airport (49.7 miles)

  • Lowest 11 July, 2025

    42.7 °F

  • Average July

    69.9 °F

  • Highest 8 July, 2025

    97.6 °F

Climate (2020–Present)

Great Falls, Great Falls International Airport (49.7 miles)

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  • Average Low 2020–2025

    33.9 °F

  • Average 2020–2025

    46.4 °F

  • Average High 2020–2025

    58.3 °F
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