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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 01:50 EST

    PAST 24 HOURS

    27.6 °C

    Feels like 27.4 °C
    Dew Point
    16.2 °C
    Gusts
    11km/h
    Relative Humidity
    49%
    Pressure
    1009.5hPa
    Wind
    NE 11km/h
    Rainfall
    0.0mm

    Mount Isa

    May Downs

    Carters Bore

    Lake Julius

    Mount Isa Saturday Forecast

    Mostly sunny
    Mostly sunny
    25 °C
    40 °C
    5%
    < 1mm
    Mount Isa for Saturday
    Sunny. Winds E/NE 15 to 20 km/h tending N/NE 25 to 35 km/h before dawn then tending E/NE 15 to 20 km/h in the early afternoon. Overnight temperatures falling to the low to high 20s with daytime temperatures reaching the low 40s.
    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: Sunny. Winds E/NE 15 to 20 km/h tending N/NE 25 to 35 km/h before dawn then tending E/NE 15 to 20 km/h in the early afternoon. Overnight temperatures falling to the low to high 20s with daytime temperatures reaching the low 40s.

    Forecast for Mount Isa (20.7266°S, 139.4943°E, 365m AMSL)
      Sat Sun Mon Tue Wed Thu Fri
    Summary Mostly sunny Late thunder Mostly sunny Mostly sunny Possible shower Late shower Late shower
    Minimum 25° 24° 25° 25° 24° 25° 24°
    Maximum 40° 41° 42° 41° 41° 41° 40°
    Chance of rain 5% 60% 20% 20% 50% 50% 50%
    Likely amount < 1mm 1-5mm < 1mm < 1mm 1-5mm < 1mm < 1mm
    UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme
    Fire Danger Rating 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 23
    (km/h)     		14
    (km/h)     		17
    (km/h)     		10
    (km/h)     		16
    (km/h)     		14
    (km/h)     		12
    (km/h)     		15
    (km/h)     		13
    (km/h)     		14
    (km/h)     		17
    (km/h)     		16
    (km/h)     		18
    (km/h)     		12
    (km/h)
    Wind direction NE ENE WNW WSW S SSE NE ENE NNE E ENE E NE E
    Relative humidity 33% 18% 41% 19% 33% 15% 39% 20% 41% 21% 38% 21% 37% 24%
    Dew point 15°C 11°C 20°C 12°C 17°C 10°C 19°C 13°C 19°C 14°C 19°C 14°C 17°C 15°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 7:13pm EST 7:37pm EST 8:51pm EST 6:39am 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
    Monday
    Dec 01     		23.7 °C 34.6 °C
    0.0 mm
    Tuesday
    Dec 02     		20.4 °C 35.5 °C
    0.0 mm
    Wednesday
    Dec 03     		17.2 °C 38.3 °C
    0.0 mm
    Thursday
    Dec 04     		16.6 °C -
    0.0 mm
    Friday
    Dec 05     		24.0 °C 40.4 °C
    0.0 mm
    Legend

  12. Almanac

    Mount Isa minimum temp history (20.7266°S, 139.4943°E, 365m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 40.2° 04/12/2025 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 37.7° Average this month 20.4°
    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 0.0mm 01/12/2025 Total This Month 0.0mm
    0.0 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 470.4mm 55.0 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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