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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 17:50 EST

    PAST 24 HOURS

    39.8 °C

    Feels like 35.7 °C
    Dew Point
    2.5 °C
    Gusts
    15km/h
    Relative Humidity
    10%
    Pressure
    1007.1hPa
    Wind
    S 13km/h
    Rainfall
    0.0mm

    Mount Isa

    May Downs

    Carters Bore

    Lake Julius

    Mount Isa Saturday Forecast

    Mostly sunny
    Mostly sunny
    24 °C
    41 °C
    20%
    < 1mm
    Mount Isa for Saturday
    Mostly sunny. Winds NE/SE 15 to 20 km/h tending NW/NE 20 to 30 km/h in the morning then decreasing to 15 to 20 km/h in the early afternoon. Overnight temperatures falling to the low to mid 20s with daytime temperatures reaching the low to mid 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: Mostly sunny. Winds NE/SE 15 to 20 km/h tending NW/NE 20 to 30 km/h in the morning then decreasing to 15 to 20 km/h in the early afternoon. Overnight temperatures falling to the low to mid 20s with daytime temperatures reaching the low to mid 40s.

    Forecast for Mount Isa (20.7266°S, 139.4943°E, 365m AMSL)
      Sat Sun Mon Tue Wed Thu Fri
    Summary Mostly sunny Mostly sunny Late shower Possible shower Showers increasing Possible thunderstorm Late shower
    Minimum 24° 25° 26° 26° 25° 24° 23°
    Maximum 41° 42° 42° 40° 40° 39° 39°
    Chance of rain 20% 30% 40% 60% 90% 70% 70%
    Likely amount < 1mm < 1mm < 1mm < 1mm 1-5mm 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 16
    (km/h)     		11
    (km/h)     		14
    (km/h)     		11
    (km/h)     		17
    (km/h)     		12
    (km/h)     		21
    (km/h)     		17
    (km/h)     		17
    (km/h)     		18
    (km/h)     		12
    (km/h)     		17
    (km/h)     		15
    (km/h)     		15
    (km/h)
    Wind direction W NNE NW NNW WNW NNW WNW WNW W W WSW SW E E
    Relative humidity 35% 17% 37% 21% 38% 24% 39% 26% 43% 32% 40% 30% 36% 27%
    Dew point 18°C 11°C 19°C 15°C 20°C 16°C 20°C 16°C 19°C 18°C 19°C 17°C 16°C 16°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 First quarter Full moon Last quarter New moon
    5:29am EST 5:53am EST 7:04pm EST 7:28pm EST 6:55am EST 8:55pm EST Waxing crescent First quarter Nov 28 Full moon Dec 05 Last quarter Dec 12 New moon Dec 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
    Monday
    Nov 17     		17.5 °C 33.8 °C
    3.0 mm
    Tuesday
    Nov 18     		17.5 °C -
    0.2 mm
    Wednesday
    Nov 19     		- -
    -
    Thursday
    Nov 20     		- 39.5 °C
    -
    Friday
    Nov 21     		18.1 °C 40.9 °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 42.2° 01/11/2025 Coldest this month 10.1° 06/11/2025
    Hottest on record 43.9 28/11/2015 Coldest on record 10.3 12/11/1999
    Hottest this year 44.4° 11/01/2025 Coldest this year -1.4° 09/07/2025
    Long term average 36.7° Long term average 21.5°
    Average this month 34.8° Average this month 18.2°
    Hottest November On Record Avg. max. temp. 39.8° 2015 Coldest November on record Avg. min. temp. 19.7° 1999
    Mount Isa rainfall history (20.7266°S, 139.4943°E, 365m AMSL)
    RAINFALL
    Wettest This Month 24.8mm 16/11/2025 Total This Month 62.4mm
    8.0 days
    Long Term Average 39.5mm 5.5 days Wettest November on record 205.6mm 2011
    Driest on record 0.0mm 1980

  13. Mount Isa Year To Date

    Average Rainfall To Nov 395.3mm 41.8 day(s)
    Total For 2025 461.0mm 51.0 day(s)
    Total To This Day 2024 536.8mm 54.0 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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