You do not have a default location set
To set your location please use the search box to find your location and then click "set as my default location" on the local weather page.

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
    RSS
    Save as my local

    Now in Mount Isa

    Updated at 14:30 EST

    PAST 24 HOURS

    36.5 °C

    Feels like 34.7 °C
    Dew Point
    15.0 °C
    Gusts
    24km/h
    Relative Humidity
    27%
    Pressure
    1015.4hPa
    Wind
    NE 17km/h
    Rainfall
    0.0mm

    Mount Isa

    May Downs

    Carters Bore

    Lake Julius

    Mount Isa Thursday Forecast

    Mostly sunny
    Mostly sunny
    20 °C
    36 °C
    30%
    < 1mm
    Mount Isa for Thursday
    Mostly sunny. Slight chance of a shower in the SW, near zero chance elsewhere. The chance of a thunderstorm in the SE in the afternoon and evening. Winds E/NE 15 to 20 km/h tending E/SE during the afternoon and evening.
    Fire Danger
    Moderate
    DAM LEVELS

  3. forecast_mid_1_ad

  4. Mount Isa 48 HOUR FORECAST

    TEMP WIND RAIN CHANCE

  5. new_weather_m_banner_320x50_mobile

  6. 7 day forecast

    Today: Mostly sunny. Slight chance of a shower in the SW, near zero chance elsewhere. The chance of a thunderstorm in the SE in the afternoon and evening. Winds E/NE 15 to 20 km/h tending E/SE during the afternoon and evening.

    Forecast for Mount Isa (20.7266°S, 139.4943°E, 365m AMSL)
      Thu Fri Sat Sun Mon Tue Wed
    Summary Mostly sunny Late shower Clearing shower Mostly sunny Sunny Sunny Mostly sunny
    Minimum 20° 20° 20° 16° 13° 13° 13°
    Maximum 36° 36° 32° 32° 31° 31° 31°
    Chance of rain 30% 50% 60% 5% 5% 5% 30%
    Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm
    UV index Extreme Extreme Extreme Extreme Very High 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 24
    (km/h)     		19
    (km/h)     		20
    (km/h)     		14
    (km/h)     		21
    (km/h)     		22
    (km/h)     		23
    (km/h)     		21
    (km/h)     		24
    (km/h)     		22
    (km/h)     		28
    (km/h)     		27
    (km/h)     		26
    (km/h)     		24
    (km/h)
    Wind direction ENE ENE NE NNW SSE S SSE S SSE S SSE SSE SE SSE
    Relative humidity 45% 29% 46% 27% 50% 32% 26% 15% 27% 12% 29% 15% 23% 12%
    Dew point 17°C 15°C 17°C 14°C 17°C 13°C 4°C 2°C 3°C -2°C 4°C 1°C 0°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

  8. weather_m_rec_300x250_mobile-2

  9. Tides graph

    There is no current data for Mount Isa

  10. forecast_mid_2_ad

  11. Mount Isa Past 5 Days

    This Month
    Minimum Maximum Rainfall
    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
    Thursday
    Sep 18     		19.1 °C 37.9 °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 37.2° 18/09/2025 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 32.2° Average this month 14.0°
    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

  1. forecast_rhs_1_ad

  2. Warnings

  3. forecast_rhs_2_ad

Copyright Elders