Pioneer Reservoir Weather Forecast

    • 62
    • 83

    Rain Showers

    • 54
    • 83

    Slight Chance Thunderstorms

    • 49
    • 78

    Mostly Sunny

    • 60
    • 88

    Mostly Sunny

    • 56
    • 85

    Partly Sunny

    • 54
    • 81

    Partly Sunny

Today 28 Aug Western Magic Valley

Mostly cloudy. Scattered Showers this Morning, then isolated Showers and Thunderstorms this afternoon. Areas of smoke this Morning, then patchy smoke this afternoon. Chance of rain 30 percent. Not as warm with Highs 77 to 82. Southwest Winds 10 to 15 Mph.

Tonight 28 Aug Western Magic Valley

Numerous Showers and isolated Thunderstorms in the Evening, then a chance of Showers after midnight. Patchy smoke after midnight. Chance of rain 70 percent. Lows 57 to 62. South Winds 10 to 15 Mph.

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  • Temperature Real-Time

Pioneer Reservoir Temperature Statistics

August Temperature

Jerome County Airport (35.4 miles)

  • Lowest 5 August, 2026

    51.7 °F

  • Average August

    75.5 °F

  • Highest 21 August, 2026

    101.6 °F

Climate (2021–2026)

Jerome County Airport (35.4 miles)

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  • Average Low 2021–2026

    40.2 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    62.5 °F
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