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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 18:40 EST

    PAST 24 HOURS

    20.3 °C

    Feels like 15.4 °C
    Dew Point
    -6.3 °C
    Gusts
    13km/h
    Relative Humidity
    16%
    Pressure
    1018.5hPa
    Wind
    S 11km/h
    Rainfall
    0.0mm

    Mount Isa

    May Downs

    Carters Bore

    Lake Julius

    Mount Isa Thursday Forecast

    Sunny
    Sunny
    7 °C
    29 °C
    5%
    < 1mm
    Mount Isa for Thursday
    Sunny. Winds SE 20 to 30 km/h becoming light in the evening then becoming S/SE 15 to 20 km/h in the late evening. Overnight temperatures falling to between 5 and 11 with daytime temperatures reaching around 30.
    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: Sunny. Winds SE 20 to 30 km/h becoming light in the evening then becoming S/SE 15 to 20 km/h in the late evening. Overnight temperatures falling to between 5 and 11 with daytime temperatures reaching around 30.

    Forecast for Mount Isa (20.7266°S, 139.4943°E, 365m AMSL)
      Thu Fri Sat Sun Mon Tue Wed
    Summary Sunny Sunny Sunny Sunny Sunny Sunny Mostly sunny
    Minimum 7° 9° 12° 14° 14° 13° 14°
    Maximum 29° 31° 32° 32° 32° 33° 34°
    Chance of rain 5% 5% 5% 5% 5% 5% 5%
    Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm
    UV index Very High Very High Very High Very High Very High Very High Very High
    Fire Danger Rating Moderate Moderate Moderate Moderate - - -
    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 16
    (km/h)     		8
    (km/h)     		11
    (km/h)     		7
    (km/h)     		15
    (km/h)     		12
    (km/h)     		15
    (km/h)     		13
    (km/h)     		15
    (km/h)     		11
    (km/h)     		15
    (km/h)     		10
    (km/h)     		9
    (km/h)     		14
    (km/h)
    Wind direction ESE SE SE SSE SE SSE ESE ESE E ENE ENE NNW NW WNW
    Relative humidity 33% 15% 30% 15% 32% 16% 34% 17% 34% 20% 36% 21% 43% 22%
    Dew point 0°C -1°C 1°C 1°C 4°C 3°C 6°C 4°C 7°C 6°C 7°C 8°C 11°C 9°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
    6:38am EST 7:01am EST 6:30pm EST 6:53pm EST 5:27am EST 4:35pm EST Waning crescent New moon Aug 23 First quarter Aug 31 Full moon Sep 08 Last quarter Sep 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
    Aug 16     		4.4 °C 27.2 °C
    0.0 mm
    Sunday
    Aug 17     		12.2 °C 23.6 °C
    0.0 mm
    Monday
    Aug 18     		4.4 °C 23.6 °C
    0.0 mm
    Tuesday
    Aug 19     		8.5 °C 23.7 °C
    0.0 mm
    Wednesday
    Aug 20     		9.3 °C 25.5 °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 28.9° 12/08/2025 Coldest this month -0.5° 04/08/2025
    Hottest on record 36.4 29/08/2009 Coldest on record -1.1 25/08/2000
    Hottest this year 44.4° 11/01/2025 Coldest this year -1.4° 09/07/2025
    Long term average 27.6° Long term average 10.1°
    Average this month 25.5° Average this month 8.2°
    Hottest August On Record Avg. max. temp. 31.6° 2009 Coldest August on record Avg. min. temp. 5.9° 2001
    Mount Isa rainfall history (20.7266°S, 139.4943°E, 365m AMSL)
    RAINFALL
    Wettest This Month 1.6mm 01/08/2025 Total This Month 1.6mm
    1.0 days
    Long Term Average 3.3mm 0.9 days Wettest August on record 41.8mm 1974
    Driest on record 0.0mm 2024

  13. Mount Isa Year To Date

    Average Rainfall To Aug 328.3mm 31.3 day(s)
    Total For 2025 379.8mm 33.0 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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