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Local Weather

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 06:00 EST

    PAST 24 HOURS

    20.8 °C

    Feels like 20.0 °C
    Dew Point
    12.0 °C
    Gusts
    17km/h
    Relative Humidity
    57%
    Pressure
    1017.9hPa
    Wind
    SE 7km/h
    Rainfall
    0.0mm

    Mount Isa

    May Downs

    Carters Bore

    Lake Julius

    Mount Isa Thursday Forecast

    Late shower
    Late shower
    20 °C
    36 °C
    40%
    < 1mm
    Mount Isa for Thursday
    Mostly sunny. Slight chance of a shower in the SW, near zero chance elsewhere. Winds NE 15 to 25 km/h turning E/SE 15 to 20 km/h during the afternoon and evening. Daytime maximum temperatures in the mid to high 30s.
    Fire Danger
    Moderate
    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: Mostly sunny. Slight chance of a shower in the SW, near zero chance elsewhere. Winds NE 15 to 25 km/h turning E/SE 15 to 20 km/h during the afternoon and evening. Daytime maximum temperatures in the mid to high 30s.

    Forecast for Mount Isa (20.7266°S, 139.4943°E, 365m AMSL)
      Thu Fri Sat Sun Mon Tue Wed
    Summary Late shower Late shower Clearing shower Mostly sunny Sunny Mostly sunny Mostly sunny
    Minimum 20° 20° 20° 16° 13° 13° 13°
    Maximum 36° 36° 32° 32° 31° 31° 31°
    Chance of rain 40% 60% 30% 5% 5% 5% 30%
    Likely amount < 1mm 1-5mm < 1mm < 1mm < 1mm < 1mm < 1mm
    UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme
    Fire Danger Rating Moderate 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 18
    (km/h)     		17
    (km/h)     		20
    (km/h)     		14
    (km/h)     		20
    (km/h)     		22
    (km/h)     		23
    (km/h)     		20
    (km/h)     		23
    (km/h)     		22
    (km/h)     		28
    (km/h)     		27
    (km/h)     		26
    (km/h)     		24
    (km/h)
    Wind direction ENE ENE NE N SSE S SSE S SSE S SSE SSE SE SSE
    Relative humidity 43% 27% 46% 28% 51% 32% 26% 15% 26% 12% 28% 15% 22% 12%
    Dew point 17°C 14°C 17°C 15°C 16°C 13°C 4°C 2°C 3°C -2°C 3°C 1°C -1°C -2°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 New moon First quarter Full moon Last quarter
    6:14am EST 6:36am EST 6:37pm EST 6:59pm EST 4:11am EST 3:28pm EST Waning crescent New moon Sep 22 First quarter Sep 30 Full moon Oct 07 Last quarter Oct 14

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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
    Saturday
    Sep 13     		13.6 °C 28.6 °C
    0.0 mm
    Sunday
    Sep 14     		10.1 °C 30.5 °C
    0.0 mm
    Monday
    Sep 15     		8.9 °C 32.3 °C
    0.0 mm
    Tuesday
    Sep 16     		11.4 °C 34.8 °C
    0.0 mm
    Wednesday
    Sep 17     		19.0 °C 36.2 °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 36.2° 17/09/2025 Coldest this month 8.9° 15/09/2025
    Hottest on record 39.8 23/09/2012 Coldest on record 1.0 02/09/2001
    Hottest this year 44.4° 11/01/2025 Coldest this year -1.4° 09/07/2025
    Long term average 31.6° Long term average 14.3°
    Average this month 31.9° Average this month 13.7°
    Hottest September On Record Avg. max. temp. 35.3° 2013 Coldest September on record Avg. min. temp. 10.8° 1984
    Mount Isa rainfall history (20.7266°S, 139.4943°E, 365m AMSL)
    RAINFALL
    Wettest This Month 0.2mm 10/09/2025 Total This Month 0.4mm
    2.0 days
    Long Term Average 8.5mm 1.7 days Wettest September on record 117.0mm 2016
    Driest on record 0.0mm 2024

  13. Mount Isa Year To Date

    Average Rainfall To Sep 336.8mm 33.0 day(s)
    Total For 2025 380.2mm 35.0 day(s)
    Total To This Day 2024 515.8mm 47.0 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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