Willow Grove Climate Risk Profile

Willow Grove, Victoria· City of Casey· 3801
Medium Risk
Updated June 2026

Willow Grove faces a medium overall climate risk, primarily driven by significant heatwave and moderate flood risks. While coastal risks are negligible, residents should be aware of increasing bushfire potential. Proactive adaptation is recommended to mitigate future impacts.

Overall Risk Score

55/100
Medium

Confidence: Medium

Hazard Breakdown

Flood
6.0
Bushfire
5.0
Heat
7.0
Coastal
1.0

Climate Hazard Breakdown for Willow Grove

increasing

Flood

60/100

Moderate flood risk due to proximity to waterways and potential for flash flooding.

Key drivers:

  • ·Increased rainfall intensity
  • ·Urbanisation leading to increased runoff
increasing

Bushfire

50/100

Moderate bushfire risk due to proximity to vegetated areas and historical fire activity in the region.

Key drivers:

  • ·Warmer and drier conditions
  • ·Increased fuel loads
increasing

Heat

70/100

High heat risk due to increasing frequency and intensity of heatwaves, exacerbated by urban heat island effects.

Key drivers:

  • ·Rising average temperatures
  • ·More frequent extreme heat days
stable

Coastal

10/100

Very low coastal risk due to significant distance from the coast.

stable

Wind

28/100

Moderate wind risk — cold fronts and gusty winds

stable

Storm

32/100

Moderate storm risk — severe thunderstorms

stable

Social

21/100

Moderate social stability

increasing

Energy

35/100

Moderate energy costs — heating and cooling needs

In-Depth Climate Risk Guides for Willow Grove

Detailed Hazard Analysis

heat Risk

70/100

High heat risk due to increasing frequency and intensity of heatwaves, exacerbated by urban heat island effects.

Primary Drivers

  • ·Rising average temperatures
  • ·More frequent extreme heat days

Projections (RCP 4.5)

2030

7.5

2050

8.0

Data source

flood Risk

60/100

Moderate flood risk due to proximity to waterways and potential for flash flooding.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Urbanisation leading to increased runoff

Projections (RCP 4.5)

2030

6.5

2050

7.0

Data source

coastal Risk

10/100

Very low coastal risk due to significant distance from the coast.

Projections (RCP 4.5)

2030

1.0

2050

1.0

Data source

bushfire Risk

50/100

Moderate bushfire risk due to proximity to vegetated areas and historical fire activity in the region.

Primary Drivers

  • ·Warmer and drier conditions
  • ·Increased fuel loads

Projections (RCP 4.5)

2030

5.5

2050

6.0

Data source

What This Means for Property Owners

Insurance Outlook

Moderate increase in premiums expected due to increasing extreme weather events.

Price Impact

Potential for negative impact on property values in higher-risk zones, particularly for flood and heat.

Buyer Checklist

  • 1.Review flood maps and historical flood data for the specific property.
  • 2.Assess proximity to bushland and understand local fire risk.
  • 3.Check for adequate insulation and cooling systems for heatwaves.
  • 4.Inquire about existing flood mitigation measures on the property.
  • 5.Understand local council's climate adaptation plans.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Dandenong Creek
Elevation Range
15-50m
Flood Zone
Low to Moderate

Some areas are susceptible to localised flooding during intense rainfall events, particularly those closer to Dandenong Creek and its tributaries.

View council flood map

Bushfire Evidence

Distance to Bushland
1-3 km
Planning Overlay
Vegetation Buffer Zones
Bushfire Prone Area
Yes

The suburb borders areas with significant vegetation, including parklands and remnant bushland, which pose a bushfire risk, especially during hot, dry, and windy conditions.

Heat Evidence

Avg January Max Temp
26.5°C
Heat Stress Days/Year
8 days

Experiences several days per year above 35°C, with projections indicating an increase in the frequency and severity of heatwaves.

Coastal Evidence

Distance to Coast
65 km
Sea Level Rise Exposure
Very Low
Erosion Risk
Negligible

Historical Climate Events

2011
floodModerate

Significant rainfall led to flash flooding in low-lying areas of the City of Casey, impacting some properties in and around Willow Grove.

Source
2009
bushfireMajor

While the Black Saturday fires did not directly impact Willow Grove, the broader region experienced extreme fire conditions, highlighting the inherent risk.

Source
2014
heatwaveMajor

A prolonged heatwave affected Victoria, with temperatures exceeding 40°C for several consecutive days, placing significant stress on infrastructure and health.

Source
2016
stormModerate

Severe thunderstorms caused localised flash flooding and wind damage across parts of Melbourne's south-east, including areas near Willow Grove.

Source

Climate Outlook to 2050

Projections based on CSIRO and BOM climate modelling. Scenario: RCP 4.5

HazardToday20302050
flood606.3(+0.3)6.5(+0.5)
bushfire505.2(+0.2)5.4(+0.4)
heat707.6(+0.6)8.0(+1.0)
coastal101.01.0

By 2030, Willow Grove is projected to experience a moderate increase in overall climate risk, driven primarily by more frequent and intense heatwaves. Flood and bushfire risks are also expected to rise slightly.

CSIRO Climate Projections

Adaptation Recommendations

Enhance Urban Drainage Systems

Near-term

Invest in upgrading stormwater infrastructure to better manage increased rainfall intensity and reduce flash flooding risks.

Est. cost: $500k - $2M

Learn more

Promote Heat-Resilient Building Design

Near-term

Encourage or mandate building designs that incorporate passive cooling, improved insulation, and green roofs to mitigate urban heat island effects.

Est. cost: $5k - $20k per dwelling

Learn more

Develop Community Bushfire Preparedness Plans

Immediate

Work with local communities to develop and practice bushfire survival plans, including evacuation routes and communication strategies.

Est. cost: $10k - $50k

Learn more

Increase Green Space and Tree Canopy

Long-term

Expand and maintain green spaces and tree canopy cover to reduce ambient temperatures, improve air quality, and manage stormwater runoff.

Est. cost: $1M - $5M

Learn more

Water Conservation Measures

Near-term

Implement water-sensitive urban design and promote water conservation practices among residents to manage potential water scarcity during dry periods.

Est. cost: $50k - $200k

Learn more

About Willow Grove's Climate Risk Profile

Willow Grove, located within the City of Casey in Victoria, presents a mixed climate risk profile for its residents. The suburb is classified as having a medium overall climate risk, with specific hazards demanding attention. The most significant concern is the elevated risk of heatwaves, projected to become more frequent and intense due to Victoria's changing climate. This is compounded by the potential for moderate flood events, influenced by increased rainfall intensity and the effects of urbanisation on runoff patterns.

Bushfire risk, while currently moderate, is also on an upward trend. Proximity to vegetated areas and the general increase in dry conditions across the region contribute to this growing concern. Residents in bushfire-prone interfaces should remain vigilant and prepared. Conversely, Willow Grove is situated far enough inland to have a negligible risk from coastal inundation and sea-level rise, offering a degree of protection from this specific climate impact.

The suburb's development and infrastructure play a role in its climate vulnerability. While urbanisation can sometimes exacerbate flood and heat risks, it also provides opportunities for implementing resilient design and infrastructure. Understanding the specific local context, such as drainage systems and green space management, is crucial for effective adaptation planning.

Looking ahead, climate projections indicate a worsening of heatwave conditions and a continued increase in flood and bushfire risks. These trends necessitate a proactive approach to adaptation, focusing on building resilience within the community and infrastructure. By understanding these risks and implementing appropriate measures, Willow Grove can better prepare for the challenges of a changing climate.

Data sources: Bureau of Meteorology (BOM) · CSIRO · Country Fire Authority (CFA) · City of Casey Council · Geoscience Australia · Victorian State Emergency Service (SES)

Local Government Resources

Frequently Asked Questions

What is the likelihood of my property in Willow Grove flooding?

Flood risk varies across Willow Grove. Properties closer to Dandenong Creek and in lower-lying areas have a higher risk. It's recommended to check the City of Casey's flood maps and consider the specific elevation and drainage of your property.

How close is Willow Grove to major bushfire zones?

Willow Grove is adjacent to vegetated areas and parklands, placing it within a bushfire-prone region. While not directly in the most severe zones, the risk increases during hot, dry, and windy conditions. Always refer to the CFA for current fire danger ratings and advice.

Are heatwaves a significant concern for Willow Grove residents?

Yes, heatwaves are a significant and growing concern. Projections show an increase in frequency and intensity. Residents should ensure their homes are well-insulated and have adequate cooling, and be aware of heatwave health advice.

What can I do to protect my home from climate risks in Willow Grove?

For flood risk, ensure good drainage and consider flood barriers if necessary. For bushfire, maintain defensible space around your property. For heat, improve insulation and ventilation. Community preparedness plans are also vital.

Does the City of Casey have a climate change action plan that affects Willow Grove?

Yes, the City of Casey has a Climate Change Action Plan that outlines strategies to reduce emissions and adapt to climate impacts across the municipality, including Willow Grove. This plan focuses on areas like renewable energy, sustainable transport, and resilience building.

What are the main drivers of the increasing flood risk in Willow Grove?

The increasing flood risk is driven by more intense rainfall events due to climate change, combined with the effects of urbanisation which increases impervious surfaces and reduces natural water absorption, leading to higher runoff.

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What A$69 could save you from

$7.2B
2022 insured disaster losses*
$300B+
climate risk to property by 2050*
30-120%
insurance premium increases in high-risk areas*

*Industry sources: ICA, APRA, RBA

Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections