Happy Valley Weather Forecast

    • 21
    • 30

    Showers. Storm developing

    • 21
    • 29

    Rain. Storm developing

    • 20
    • 29

    Rain. Possible storm

    • 20
    • 32

    Showers. Possible storm

    • 20
    • 32

    Shower or two

    • 20
    • 31

    Shower or two. Possible storm

    • 19
    • 30

    Shower or two

Today 24 Dec Mount Isa

Cloudy. High chance of showers. A thunderstorm likely in the afternoon and evening, possibly severe with heavy rain which may lead to flash flooding. Winds northeasterly 15 to 20 km/h becoming light in the early afternoon.

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  • Temperature Forecast Bureau of Meteorology

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Happy Valley Temperature Statistics View More

December Temperature

Mount Isa Airport (7km)

  • Lowest 4 December, 2025

    16.6 °C

  • Average December

    29.5 °C

  • Highest 7 December, 2025

    42.7 °C

Climate (2020–Present)

Mount Isa Airport (7km)

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  • Average Low 2020–2025

    17.1 °C

  • Average 2020–2025

    24.8 °C

  • Average High 2020–2025

    32.8 °C
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