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Local Weather

Mount Isa (20.6786°S, 139.4831°E, 340m AMSL) set as my default location ›

  1. Mount Isa Local Weather

    20.73°S, 139.49°E

    Now in Mount Isa

    Updated at 16:00 EST

    36.7 °C

    Feels like 34.6 °C
    Dew Point
    15.8 °C
    Gusts
    35km/h
    Relative Humidity
    29%
    Pressure
    1007.5hPa
    Wind
    NE 20km/h
    Rainfall
    0.0mm

    Mount Isa Tuesday Forecast

    Mostly sunny
    Mostly sunny
    23 °C
    40 °C
    30%
    < 1mm
    Mount Isa for Tuesday
    Mostly clear. Slight chance of a shower. The chance of a thunderstorm. Winds NE/SE 15 to 20 km/h becoming light in the late evening.
    Fire Danger
    High

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  3. Mount Isa 48 HOUR FORECAST

    TEMP WIND RAIN CHANCE
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  5. 7 day forecast

    Today: Mostly clear. Slight chance of a shower. The chance of a thunderstorm. Winds NE/SE 15 to 20 km/h becoming light in the late evening.

    Forecast for Mount Isa (20.7266°S, 139.4943°E, 365m AMSL)
      Tue Wed Thu Fri Sat Sun Mon
    Summary Mostly sunny Late shower Late shower Mostly sunny Possible shower Late shower Possible shower
    Minimum 23° 24° 25° 24° 25° 25° 24°
    Maximum 40° 40° 39° 41° 41° 39° 39°
    Chance of rain 30% 40% 40% 30% 60% 50% 70%
    Likely amount < 1mm 1-5mm < 1mm 1-5mm 1-5mm 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 6
    (km/h)
    26
    (km/h)
    12
    (km/h)
    11
    (km/h)
    19
    (km/h)
    10
    (km/h)
    9
    (km/h)
    9
    (km/h)
    17
    (km/h)
    12
    (km/h)
    17
    (km/h)
    8
    (km/h)
    17
    (km/h)
    10
    (km/h)
    Wind direction E ENE N E ENE E NW E NW N W SSW SE SSE
    Relative humidity 28% 28% 44% 27% 39% 23% 39% 21% 43% 24% 42% 28% 45% 31%
    Dew point 14°C 15°C 20°C 16°C 17°C 13°C 18°C 14°C 20°C 16°C 19°C 16°C 20°C 18°C
  6. 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 5:54am EST 7:15pm EST 7:39pm EST 11:27pm EST 10:01am EST Waning gibbous Last quarter Dec 12 New moon Dec 20 First quarter Dec 28
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  8. Tides graph

    There is no current data for Mount Isa

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  10. Mount Isa Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Friday
    Dec 05
    24.0 °C 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
    Tuesday
    Dec 09
    22.2 °C 41.3 °C
    0.0 mm
    Legend
  11. 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 39.1° Average this month 21.8°
    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
  12. 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