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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 01:10 EST

    PAST 24 HOURS

    24.9 °C

    Feels like 28.9 °C
    Dew Point
    24.0 °C
    Gusts
    11km/h
    Relative Humidity
    95%
    Pressure
    1011.7hPa
    Wind
    NE 9km/h
    Rainfall
    36.4mm

    Mount Isa

    May Downs

    Carters Bore

    Lake Julius

    Mount Isa Sunday Forecast

    Possible thunderstorm
    Possible thunderstorm
    20 °C
    29 °C
    80%
    10-20mm
    Mount Isa for Sunday
    Cloudy. Very high chance of showers. The chance of a thunderstorm. Heavy falls possible S of Mt Isa. Light winds becoming N/NE 15 to 20 km/h in the morning then becoming light in the late afternoon. Overnight temperatures falling to the low to mid 20s 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: Cloudy. Very high chance of showers. The chance of a thunderstorm. Heavy falls possible S of Mt Isa. Light winds becoming N/NE 15 to 20 km/h in the morning then becoming light in the late afternoon. Overnight temperatures falling to the low to mid 20s with daytime temperatures reaching around 30.

    Forecast for Mount Isa (20.7266°S, 139.4943°E, 365m AMSL)
      Sun Mon Tue Wed Thu Fri Sat
    Summary Possible thunderstorm Possible thunderstorm Possible thunderstorm Possible shower Possible shower Possible shower Possible shower
    Minimum 20° 20° 18° 17° 16° 17° 19°
    Maximum 29° 27° 26° 25° 25° 26° 30°
    Chance of rain 80% 90% 80% 80% 80% 70% 90%
    Likely amount 10-20mm 20-40mm 5-10mm 10-20mm 5-10mm 1-5mm 1-5mm
    UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme
    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 15
    (km/h)     		13
    (km/h)     		14
    (km/h)     		14
    (km/h)     		10
    (km/h)     		15
    (km/h)     		14
    (km/h)     		20
    (km/h)     		20
    (km/h)     		19
    (km/h)     		18
    (km/h)     		17
    (km/h)     		16
    (km/h)     		13
    (km/h)
    Wind direction NE NE NNE N SSW NNE ENE ENE E E E E E SE
    Relative humidity 86% 74% 93% 87% 93% 77% 93% 81% 95% 83% 93% 75% 88% 73%
    Dew point 23°C 22°C 24°C 23°C 22°C 21°C 21°C 21°C 21°C 21°C 21°C 21°C 23°C 24°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
    6:24am EST 6:47am EST 6:51pm EST 7:13pm EST 12:09am EST 2:13pm EST Waning crescent New moon Mar 29 First quarter Apr 05 Full moon Apr 13 Last quarter Apr 21

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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
    Mar 18     		24.6 °C 30.6 °C
    1.6 mm
    Wednesday
    Mar 19     		22.9 °C 32.7 °C
    1.0 mm
    Thursday
    Mar 20     		24.0 °C 31.7 °C
    7.4 mm
    Friday
    Mar 21     		23.4 °C 34.9 °C
    0.4 mm
    Saturday
    Mar 22     		24.9 °C 32.5 °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 43.1° 05/03/2025 Coldest this month 18.7° 07/03/2025
    Hottest on record 41.9 01/03/2016 Coldest on record 13.1 27/03/1979
    Hottest this year 44.4° 11/01/2025 Coldest this year 15.5° 18/01/2025
    Long term average 34.5° Long term average 21.8°
    Average this month 37.9° Average this month 22.6°
    Hottest March On Record Avg. max. temp. 38.3° 2015 Coldest March on record Avg. min. temp. 18.4° 1981
    Mount Isa rainfall history (20.7266°S, 139.4943°E, 365m AMSL)
    RAINFALL
    Wettest This Month 7.4mm 20/03/2025 Total This Month 12.8mm
    6.0 days
    Long Term Average 68.3mm 5.8 days Wettest March on record 276.6mm 1997
    Driest on record 0.0mm 2005

  13. Mount Isa Year To Date

    Average Rainfall To Mar 283.7mm 24.6 day(s)
    Total For 2025 198.2mm 20.0 day(s)
    Total To This Day 2024 336.8mm 36.0 day(s)
    Wettest Day 75.2mm Feb 7
    Lowest Temperature 15.5°C Jan18
    Highest Temperature 44.4°C Jan11

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  2. Warnings

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