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Mount Isa (20.7266°S, 139.4943°E, 365m AMSL) set as my default location ›

  2. Mount Isa Local Weather

    20.73°S, 139.49°E
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    Now in Mount Isa

    Updated at 17:40 EST

    PAST 24 HOURS

    35.0 °C

    Feels like 35.1 °C
    Dew Point
    16.3 °C
    Gusts
    11km/h
    Relative Humidity
    32%
    Pressure
    1007.0hPa
    Wind
    NE 9km/h
    Rainfall
    0.0mm

    Mount Isa

    May Downs

    Carters Bore

    Lake Julius

    Mount Isa Monday Forecast

    Mostly cloudy
    Mostly cloudy
    24 °C
    35 °C
    30%
    < 1mm
    Mount Isa for Monday
    Partly cloudy. Slight chance of a shower. The chance of a thunderstorm. Winds SE/SW 15 to 20 km/h tending NE/SE in the late afternoon then becoming light in the evening.
    Fire Danger
    High
    DAM LEVELS

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  4. Mount Isa 48 HOUR FORECAST

    TEMP WIND RAIN CHANCE

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  6. 7 day forecast

    Today: Partly cloudy. Slight chance of a shower. The chance of a thunderstorm. Winds SE/SW 15 to 20 km/h tending NE/SE in the late afternoon then becoming light in the evening.

    Forecast for Mount Isa (20.7266°S, 139.4943°E, 365m AMSL)
      Mon Tue Wed Thu Fri Sat Sun
    Summary Mostly cloudy Late shower Mostly sunny Mostly sunny Mostly sunny Late shower Late shower
    Minimum 24° 23° 24° 24° 23° 25° 25°
    Maximum 35° 39° 40° 39° 41° 41° 40°
    Chance of rain 30% 50% 30% 30% 20% 60% 80%
    Likely amount < 1mm 1-5mm < 1mm < 1mm < 1mm 1-5mm 1-5mm
    UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme
    Fire Danger Rating High High High High High - -
    Frost risk Nil Nil Nil Nil Nil Nil Nil
      9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm
    Wind speed 15
    (km/h)     		11
    (km/h)     		13
    (km/h)     		15
    (km/h)     		12
    (km/h)     		10
    (km/h)     		19
    (km/h)     		11
    (km/h)     		10
    (km/h)     		11
    (km/h)     		17
    (km/h)     		11
    (km/h)     		15
    (km/h)     		12
    (km/h)
    Wind direction W ESE ENE ENE NNE ENE ENE ENE N NE NW NW WSW N
    Relative humidity 49% 33% 36% 26% 44% 25% 41% 22% 42% 23% 42% 23% 48% 30%
    Dew point 19°C 17°C 16°C 14°C 20°C 15°C 17°C 13°C 19°C 15°C 20°C 15°C 22°C 18°C

  7. Sunrise and sunset times

    Sunrise / Sunset for Mount Isa (20.7266°S, 139.4943°E, 365m AMSL)
    First light Sunrise Sunset Last light Moon rise Moon set Moon phase Last quarter New moon First quarter
    5:29am EST 5:53am EST 7:14pm EST 7:39pm EST 10:43pm EST 8:56am EST Waning gibbous Last quarter Dec 12 New moon Dec 20 First quarter Dec 28

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  9. Tides graph

    There is no current data for Mount Isa

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  11. Mount Isa Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Thursday
    Dec 04     		16.6 °C 40.2 °C
    0.0 mm
    Friday
    Dec 05     		- 40.4 °C
    0.0 mm
    Saturday
    Dec 06     		24.1 °C 41.8 °C
    0.0 mm
    Sunday
    Dec 07     		24.9 °C 42.7 °C
    0.0 mm
    Monday
    Dec 08     		25.1 °C 37.4 °C
    0.2 mm
    Legend

  12. Almanac

    Mount Isa minimum temp history (20.7266°S, 139.4943°E, 365m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 42.7° 07/12/2025 Coldest this month 16.6° 04/12/2025
    Hottest on record 45.1 01/12/2006 Coldest on record 13.4 07/12/1978
    Hottest this year 44.4° 11/01/2025 Coldest this year -1.4° 09/07/2025
    Long term average 37.4° Long term average 23.1°
    Average this month 38.7° Average this month 21.7°
    Hottest December On Record Avg. max. temp. 39.7° 2002 Coldest December on record Avg. min. temp. 20.1° 2011
    Mount Isa rainfall history (20.7266°S, 139.4943°E, 365m AMSL)
    RAINFALL
    Wettest This Month 0.2mm 08/12/2025 Total This Month 0.2mm
    1.0 days
    Long Term Average 66.7mm 7.6 days Wettest December on record 275.2mm 2000
    Driest on record 0.0mm 2018

  13. Mount Isa Year To Date

    Average Rainfall To Dec 461.9mm 49.5 day(s)
    Total For 2025 470.6mm 56.0 day(s)
    Total To This Day 2024 642.0mm 61.0 day(s)
    Wettest Day 75.2mm Feb 7
    Lowest Temperature -1.4°C Jul 9
    Highest Temperature 44.4°C Jan11

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  2. Warnings

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