Arrowhead Reservoir Weather Forecast

    • 64
    • 91

    Chance Thunderstorms

    • 63
    • 88

    Rain Showers Likely

    • 61
    • 85

    Rain Showers

    • 68
    • 97

    Mostly Sunny

    • 70
    • 102

    Slight Chance Thunderstorms

    • 68
    • 100

    Slight Chance Thunderstorms

Today 21 Jul Western Crook

Mostly sunny. Highs around 90. East Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon.

Tonight 21 Jul Western Crook

Partly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly cloudy with Showers likely with a slight chance of Thunderstorms after midnight. Lows in the lower 60s. East Winds 10 to 15 Mph. Chance of rain 70 percent.

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Arrowhead Reservoir Temperature Statistics

July Temperature

Mondell Field (26.7 miles)

  • Lowest 3 July, 2026

    55.4 °F

  • Average July

    80.2 °F

  • Highest 12 July, 2026

    100.4 °F

Climate (2021–2026)

Mondell Field (26.7 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    60.8 °F
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