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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 03:00 EST

    PAST 24 HOURS

    25.7 °C

    Feels like 27.5 °C
    Dew Point
    15.4 °C
    Gusts
    0km/h
    Relative Humidity
    53%
    Pressure
    1007.6hPa
    Wind
    N 0km/h
    Rainfall
    0.0mm

    Mount Isa

    May Downs

    Carters Bore

    Lake Julius

    Mount Isa Sunday Forecast

    Late shower
    Late shower
    25 °C
    41 °C
    60%
    1-5mm
    Mount Isa for Sunday
    Sunny morning. Slight chance of a shower in the afternoon and evening. The chance of a thunderstorm in the afternoon and evening. Winds NW/NE 20 to 30 km/h tending NW/SW 15 to 25 km/h in the middle of the day then tending NE/SE in the evening. Overnight temperatures falling to 23 to 28 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 morning. Slight chance of a shower in the afternoon and evening. The chance of a thunderstorm in the afternoon and evening. Winds NW/NE 20 to 30 km/h tending NW/SW 15 to 25 km/h in the middle of the day then tending NE/SE in the evening. Overnight temperatures falling to 23 to 28 with daytime temperatures reaching the low 40s.

    Forecast for Mount Isa (20.7266°S, 139.4943°E, 365m AMSL)
      Sun Mon Tue Wed Thu Fri Sat
    Summary Late shower Late shower Possible thunderstorm Late shower Mostly sunny Late shower Rain
    Minimum 25° 25° 24° 24° 25° 25° 25°
    Maximum 41° 40° 40° 40° 40° 40° 40°
    Chance of rain 60% 40% 80% 40% 20% 50% 80%
    Likely amount 1-5mm < 1mm 1-5mm < 1mm < 1mm 1-5mm 1-5mm
    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 19
    (km/h)     		13
    (km/h)     		12
    (km/h)     		12
    (km/h)     		11
    (km/h)     		15
    (km/h)     		9
    (km/h)     		13
    (km/h)     		20
    (km/h)     		16
    (km/h)     		15
    (km/h)     		15
    (km/h)     		12
    (km/h)     		13
    (km/h)
    Wind direction WNW WNW SSW S NE NE ENE ENE ENE ENE ENE ENE N N
    Relative humidity 42% 28% 40% 25% 40% 25% 44% 23% 36% 20% 37% 22% 41% 28%
    Dew point 20°C 18°C 19°C 16°C 19°C 15°C 20°C 14°C 17°C 12°C 18°C 14°C 20°C 17°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 7:38pm EST 9:51pm EST 7:48am 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
    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     		- 40.4 °C
    0.0 mm
    Saturday
    Dec 06     		24.1 °C 41.8 °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 40.9° 06/12/2025 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 37.9° Average this month 21.0°
    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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