Chesterfield Reservoir Weather Forecast

    • 56
    • 88

    Chance Thunderstorms

    • 52
    • 77

    Rain Showers

    • 49
    • 71

    Rain Showers

    • 44
    • 71

    Slight Chance Rain

    • 47
    • 74

    Slight Chance Thunderstorms

    • 48
    • 75

    Partly Sunny

    • 47
    • 72

    Partly Sunny

Today 27 Aug Blackfoot Mountains

Partly sunny. A slight chance of rain Showers in the morning. Then a chance of rain Showers and a slight chance of Thunderstorms in the afternoon. Some Thunderstorms may produce gusty Winds and heavy rainfall in the afternoon. Highs 81 to 91.

Tonight 27 Aug Blackfoot Mountains

Mostly cloudy. A chance of rain Showers and a slight chance of Thunderstorms in the evening. Then a slight chance of rain Showers after midnight. Lows 53 to 63.

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Chesterfield Reservoir Temperature Statistics

August Temperature

Pocatello, Pocatello Regional Airport (30.4 miles)

  • Lowest 6 August, 2026

    45.6 °F

  • Average August

    74.2 °F

  • Highest 1 August, 2026

    103.6 °F

Climate (2021–2026)

Pocatello, Pocatello Regional Airport (30.4 miles)

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  • Average Low 2021–2026

    35.2 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    61.9 °F
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