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Forecast

Glen Mervyn (33.5306°S, 116.0686°E, 116m AMSL) set as my default location ›

  1. My MLA

  2. Current condition

    TODAY
    Possible thunderstorm 16° 25°
    possible thunderstorm
    Chance of rain: 90%
    Likely amount: 10-20mm
    First
    light
    Sunrise Sunset Last light
    Sunrise Sunset
    5:35am WST 6:01am WST 6:56pm WST 7:21pm WST
    NOW
    23.7° Feels Like: 22.7°
    Relative Humidity: 57%
    Dew: 14.9°
    Wind: ESE 13km/h
    Gust: 17km/h
    Rainfall since 9am: 0.0mm
    Pressure:  
  3. Today Weather

    Glen Mervyn
    Now
    23.9°c
    Feels Like:
    21.8°
    Wind:
    ENE 24km/h
    Gusts:
    28km/h
    Humidity:
    68%
    Possible thunderstorm
     
    16°
    Min
    25°
    Max
    Today in Glen Mervyn
    Partly cloudy. High chance of showers. The chance of a thunderstorm. Winds E 25 to 35 km/h. Daytime maximum temperatures in the mid to high 20s.
    Tomorrow
    Possible thunderstorm
    17°
    Min
    25°
    Max
    Partly cloudy. High chance of showers, most likely in the morning. The chance of a thunderstorm. Winds E 20 to 30 km/h turning NE in the afternoon. Overnight temperatures falling to between 15 and 18 with daytime temperatures reaching the mid to high 20s.
  4. Radar

  5. Popup Radar

  6. Warnings

  7. Next 48 Hours


    Next 48 Hours


  8. 7 day forecast

    Today: Partly cloudy. High chance of showers. The chance of a thunderstorm. Winds E 25 to 35 km/h. Daytime maximum temperatures in the mid to high 20s.

    Forecast for Glen Mervyn (33.5306°S, 116.0686°E, 116m AMSL)
      Wed Thu Fri Sat Sun Mon Tue
    Summary Possible thunderstorm Possible thunderstorm Possible thunderstorm Mostly sunny Mostly sunny Mostly sunny Mostly sunny
    Minimum 16° 17° 20° 17° 15° 16° 18°
    Maximum 25° 25° 29° 26° 29° 31° 32°
    Chance of rain 90% 90% 40% 30% 10% 10% 5%
    Likely amount 10-20mm 10-20mm 1-5mm < 1mm < 1mm < 1mm < 1mm
    UV index Extreme Very High Very High Very High Extreme - -
    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 21
    (km/h)
    14
    (km/h)
    14
    (km/h)
    20
    (km/h)
    19
    (km/h)
    16
    (km/h)
    5
    (km/h)
    14
    (km/h)
    14
    (km/h)
    20
    (km/h)
    20
    (km/h)
    20
    (km/h)
    11
    (km/h)
    8
    (km/h)
    Wind direction E E E E NE NNE NW W SE SE ESE ESE E SE
    Relative humidity 74% 64% 90% 77% 69% 53% 79% 57% 75% 47% 64% 43% 66% 39%
    Dew point 15°C 18°C 17°C 20°C 17°C 19°C 18°C 17°C 17°C 17°C 14°C 17°C 17°C 17°C
  9. 28 Day Rainfall forecast

    Glen Mervyn Rain Forecast


    Glen Mervyn 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    26
    HIGH
    27
    HIGH
    28
    LOW
    29
    Mar 1
    2
    3
    4
    LOW
    5
    LOW
    6
    LOW
    7
    8
    9
    LOW
    10
    LOW
    11
    LOW
    12
    LOW
    13
    MEDIUM
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    25
    26
    LOW
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Feb26

    Issue Notes

    The hemispheric long wave pattern has been relatively fast moving in recent weeks. There are six main troughs. Currently the most significant troughs are near the longitudes of South Africa, the southwest Indian Ocean, Western Australia, New Zealand, the southeast Pacific, and the Atlantic Ocean.

    Summary:

    Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 5 March to 9 March, 11 March to 15 March, and 28 March to 1 April. Rain events originating in the tropics and moving south are possible about 6 March to 10 March, and 14 March to 18 March. Over Western Australia the strongest cold fronts should occur about 2 March to 6 March, 6 March to 10 March, and 24 March to 28 March.

    Forecast Explanation

    This forecast is produced by a multi-model ensemble consisting of dynamical atmospheric models, which are forced by the latest observed atmosphere, ocean, land and ice conditions. The models are designed to simulate features of the real atmosphere, including the daily movement of long and short wave patterns in the Southern Hemisphere.

    The future probability of rain in each district is estimated using output from the multi-model ensemble, combined with historical information about the difference between the model forecasts and observed rainfall.

    In this deterministic framework the skill of the forecast tends to decrease with time, however the forecasts are updated daily to provide the latest estimates of rainfall probability out to 28 days.

  10. 12 Month Rainfall Forecast

    Glen Mervyn Rain Forecast


    Glen Mervyn 12-month Rainfall Forecast
    Feb
    Mar
    Apr
    May
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec
    Jan
    2020
    2021
    2
    5
    6
    5
    5
    6
    6
    7
    3
    7
    7
    8
    10
    5
    0
    1
    2 - 3
    4 - 7
    8 - 9
    10
    Well below normal
    Below normal
    Near normal
    Above normal
    Well above normal

    Issue Notes - Issued Feb 12

    ENSO status: Neutral IOD status: Neutral SAM status: Trending neutral Sea surface temperatures (SSTs) across the equatorial central Pacific remained stable throughout January with the Nino3.4 index registering a value of 0.4 as per December. On the other hand, the Southern Oscillation Index (SOI) recorded a value of 1.3 in January. The current outlook suggests warmer than average SSTs will persist across the equatorial Pacific Ocean through the austral autumn, cooling even further by mid 2020. Six out of eight international models continue to maintain a warmer than average equatorial Pacific Ocean through the first half of the year, none of these reaching El Nino thresholds. To the west of Australia, the Indian Ocean Dipole (IOD) remains neutral, which is what you will expect for this time of the year. All six international models maintain neutral IOD values until the austral winter, with indications we could see another positive event late winter/spring. However, the skill of the models is low at this time of the year. In terms of rainfall across Australia, the current outlook favours average-to-below average rainfall for parts of inland NSW and Qld for the end of summer and autumn. This however, excludes any extreme weather events such as tropical cyclones or East Coast Lows. Across the north, the North Australian Monsoon (NAM) had its latest onset on record in early February at Darwin (by its technical definition) with the current prognosis suggesting another below average wet season for northern Australia. The northern half of the country however, could see a wet end to the wet season compared to the season thus far. Looking further ahead, with no significant signature from ENSO, there are no significant climate drivers tilting the balance towards a drier or wetter end of autumn/winter.

  11. Long range rainfall forecast

    Glen Mervyn Rain Forecast


    Glen Mervyn 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    26
    HIGH
    27
    HIGH
    28
    LOW
    29
    Mar 1
    2
    3
    4
    LOW
    5
    LOW
    6
    LOW
    7
    8
    9
    LOW
    10
    LOW
    11
    LOW
    12
    LOW
    13
    MEDIUM
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    25
    26
    LOW
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Feb26

    Issue Notes

    The hemispheric long wave pattern has been relatively fast moving in recent weeks. There are six main troughs. Currently the most significant troughs are near the longitudes of South Africa, the southwest Indian Ocean, Western Australia, New Zealand, the southeast Pacific, and the Atlantic Ocean.

    Summary:

    Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 5 March to 9 March, 11 March to 15 March, and 28 March to 1 April. Rain events originating in the tropics and moving south are possible about 6 March to 10 March, and 14 March to 18 March. Over Western Australia the strongest cold fronts should occur about 2 March to 6 March, 6 March to 10 March, and 24 March to 28 March.

    Forecast Explanation

    This forecast is produced by a multi-model ensemble consisting of dynamical atmospheric models, which are forced by the latest observed atmosphere, ocean, land and ice conditions. The models are designed to simulate features of the real atmosphere, including the daily movement of long and short wave patterns in the Southern Hemisphere.

    The future probability of rain in each district is estimated using output from the multi-model ensemble, combined with historical information about the difference between the model forecasts and observed rainfall.

    In this deterministic framework the skill of the forecast tends to decrease with time, however the forecasts are updated daily to provide the latest estimates of rainfall probability out to 28 days.

  12. Popup - Daily historical

  13. Past 5 Days

    Glen Mervyn Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Saturday
    Feb 22
    18.1 °C 22.2 °C
    1.0 mm
    Sunday
    Feb 23
    18.5 °C 27.3 °C
    2.6 mm
    Monday
    Feb 24
    18.3 °C 23.2 °C
    0.0 mm
    Tuesday
    Feb 25
    18.3 °C 27.9 °C
    3.8 mm
    Wednesday
    Feb 26
    16.5 °C -
    0.0 mm
    Legend
  14. Almanac

    Almanac


    Glen Mervyn minimum temp history (33.5306°S, 116.0686°E, 116m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 39.7° 05/02/2020 Coldest this month 4.9° 01/02/2020
    Hottest on record 41.3 03/02/2007 Coldest on record 4.2 18/02/2007
    Hottest this year 40.0° 27/01/2020 Coldest this year 2.8° 04/01/2020
    Long term average 30.8° Long term average 13.9°
    Average this month 31.2° Average this month 15.0°
    Hottest February On Record Avg. max. temp. 32.5° 2015 Coldest February on record Avg. min. temp. 12.1° 2005
    Glen Mervyn rainfall history (33.5306°S, 116.0686°E, 116m AMSL)
    RAINFALL
    Wettest This Month 3.8mm 25/02/2020 Total This Month 8.6mm
    7.0 days
    Long Term Average 10.6mm 3.7 days Wettest February on record 89.6mm 2017
    Driest on record 0.0mm 2014
  15. Popup - Radar

    Weather Radar for WA

  16. Year to Date

    Glen Mervyn Year To Date

    Average Rainfall To Feb 30.1mm 7.1 day(s)
    Total For 2020 9.8mm 8.0 day(s)
    Total To This Day 2019 9.0mm 5.0 day(s)
    Wettest Day 3.8mm Feb25
    Lowest Temperature 2.8°C Jan 4
    Highest Temperature 40.0°C Jan27
  17. Popup - Monthly historical

  18. Climatology

    Climate History

    Glen Mervyn Climatology

    Long-Term Averages
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
    Mean Max (°C) 30.8 30.8 28.2 23.8 20.0 17.3 16.2 17.1 18.3 21.7 25.4 28.4 23.3
    Mean Min (°C) 13.5 13.9 12.0 8.9 6.2 4.4 3.8 4.7 5.5 7.5 9.8 11.4 8.5
    Mean Rain (mm) 19.5 10.6 18.4 41.1 94.4 110.3 126.1 115.4 96.5 40.8 28.9 22.4 714.5
    Mean Rain Days 3.4 3.7 5.1 9.6 13.8 15.7 19.4 18.9 17.0 11.6 7.7 5.9 118.1