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

  2. Mount Isa Local Weather

    20.68°S, 139.48°E
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    Now in Mount Isa

    Updated at 15:50 EST

    PAST 24 HOURS

    26.9 °C

    Feels like 24.8 °C
    Dew Point
    21.6 °C
    Gusts
    39km/h
    Relative Humidity
    72%
    Pressure
    1010.8hPa
    Wind
    S 33km/h
    Rainfall
    0.4mm

    Mount Isa

    May Downs

    Carters Bore

    Lake Julius

    Mount Isa Sunday Forecast

    Late shower
    Late shower
    23 °C
    41 °C
    60%
    1-5mm
    Mount Isa for Sunday
    Partly cloudy. Slight chance of a shower in the NE, near zero chance elsewhere. The chance of a thunderstorm. Winds W/NW 15 to 25 km/h tending N/NW 15 to 20 km/h 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 in the NE, near zero chance elsewhere. The chance of a thunderstorm. Winds W/NW 15 to 25 km/h tending N/NW 15 to 20 km/h in the evening.

    Forecast for Mount Isa (20.6786°S, 139.4831°E, 340m AMSL)
      Sun Mon Tue Wed Thu Fri Sat
    Summary Late shower Possible shower Clearing shower Mostly sunny Sunny Sunny Mostly sunny
    Minimum 23° 21° 15° 17° 17° 18° 21°
    Maximum 41° 37° 32° 35° 39° 42° 43°
    Chance of rain 60% 80% 40% 5% 5% 5% 10%
    Likely amount 1-5mm 1-5mm < 1mm < 1mm < 1mm < 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 7
    (km/h)     		33
    (km/h)     		18
    (km/h)     		24
    (km/h)     		16
    (km/h)     		12
    (km/h)     		18
    (km/h)     		11
    (km/h)     		13
    (km/h)     		11
    (km/h)     		13
    (km/h)     		10
    (km/h)     		13
    (km/h)     		14
    (km/h)
    Wind direction NW NW WNW W SSE S SE SW E WSW ENE E ENE ENE
    Relative humidity 11% 45% 40% 29% 54% 37% 33% 23% 22% 13% 18% 12% 22% 12%
    Dew point 1°C 18°C 17°C 15°C 15°C 15°C 10°C 10°C 7°C 5°C 7°C 7°C 11°C 8°C

  7. Sunrise and sunset times

    Sunrise / Sunset for Mount Isa (20.6786°S, 139.4831°E, 340m AMSL)
    First light Sunrise Sunset Last light Moon rise Moon set Moon phase First quarter Full moon Last quarter New moon
    5:41am EST 6:04am EST 6:49pm EST 7:12pm EST 8:58am EST 11:00pm EST Waxing crescent First quarter Oct 30 Full moon Nov 06 Last quarter Nov 12 New moon Nov 20

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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
    Wednesday
    Oct 22     		19.8 °C 42.0 °C
    0.0 mm
    Thursday
    Oct 23     		24.7 °C 40.2 °C
    0.0 mm
    Friday
    Oct 24     		26.4 °C 41.5 °C
    0.0 mm
    Saturday
    Oct 25     		24.9 °C 41.5 °C
    0.0 mm
    Sunday
    Oct 26     		22.2 °C 41.7 °C
    0.0 mm
    Legend

  12. Almanac

    Mount Isa minimum temp history (20.6786°S, 139.4831°E, 340m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 42.0° 22/10/2025 Coldest this month 10.8° 07/10/2025
    Hottest on record 42.5 28/10/2003 Coldest on record 6.1 02/10/1982
    Hottest this year 44.4° 11/01/2025 Coldest this year -1.4° 09/07/2025
    Long term average 35.0° Long term average 18.5°
    Average this month 38.7° Average this month 19.9°
    Hottest October On Record Avg. max. temp. 38.2° 2013 Coldest October on record Avg. min. temp. 14.6° 1982
    Mount Isa rainfall history (20.6786°S, 139.4831°E, 340m AMSL)
    RAINFALL
    Wettest This Month 1.2mm 15/10/2025 Total This Month 2.2mm
    3.0 days
    Long Term Average 19.1mm 3.3 days Wettest October on record 91.4mm 1986
    Driest on record 0.0mm 2013

  13. Mount Isa Year To Date

    Average Rainfall To Oct 355.8mm 36.3 day(s)
    Total For 2025 389.0mm 40.0 day(s)
    Total To This Day 2024 536.2mm 52.0 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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