📮 Dalby postcode: 4405

Flood Risk in Dalby, QLD: 2026 Assessment

Dalby, Queensland· Western Downs Regional· 4405
Dalby faces a moderate risk of flooding due to its location on the Condamine River floodplain. Intense rainfall events can cause the river to swell, inundating low-lying areas.Updated 2 Apr 2026

Flood Risk Score

6.5/10

Dalby faces a moderate risk of flooding due to its location on the Condamine River floodplain. Intense rainfall events can cause the river to swell, inundating low-lying areas.

Key Facts

Flood Risk
Dalby faces a moderate risk of flooding due to its location on the Condamine River floodplain. Intense rainfall events can cause the river to swell, inundating low-lying areas.
Trend
increasing
Suburb
Dalby, QLD
Overall Risk
Medium
Postcode
4405
Region
Coastal QLD
Median property value
$675,000
Dominant hazard
extreme heat (6/10)
Highest high-risk exposure
18.1% of land (tropical cyclone)

Flood Risk Analysis

Dalby, located in Queensland, has a notable flood risk profile based on available data including proximity to waterways, elevation, and historical flood events. The Bureau of Meteorology (BOM) maintains river height and flood warning data for catchments across Queensland.

Historical flood events have impacted residential and commercial areas in Dalby.

Dalby faces a moderate risk of flooding due to its location on the Condamine River floodplain. Intense rainfall events can cause the river to swell, inundating low-lying areas.

For a comprehensive property-specific flood assessment including address-level elevation data, flood overlay mapping, and insurance cost estimates, use the ClimateNest full analysis tool. General suburb data cannot replace a site-specific evaluation.

Dalby sits within ClimateNest's suburb-level hazard model for flood risk. 9.6% of the suburb's land area is mapped in high-risk flood zones and 78% in moderate-risk zones, based on the national hazard overlay. Exposure at this scale varies street by street, which is why an address-level check matters before you buy or insure a specific property in Dalby.

On ClimateNest's 0–10 suburb hazard index, Dalby scores 5 for flood risk — a moderate exposure relative to the Australian suburb range. For comparison, properties in Dalby can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Dalby located in Coastal QLD (postcode 4405), is a Queensland suburb tracked by ClimateNest. The suburb's median property value is $675,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Dalby.

Across the six hazard axes ClimateNest models, the dominant climate risk in Dalby is extreme heat (score 6/10), with moderate exposure. Insurance signals for the suburb point to premiums rising significantly (+40% by 2030). These suburb-level signals help prioritise which properties need the closest look — the actual risk of any single home can only be confirmed with an address-level report.

Whether you are buying, selling or renovating in Dalby, extreme heat is the hazard to weigh first. Local council planning controls, state hazard mapping and lender climate policies each reference this kind of suburb-level signal, and property decisions in Dalby are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayCondamine River
Elevation Range300-350m
Flood Zone ClassificationAreas adjacent to the Condamine River are designated as flood zones.

Historical Events

2012
Moderate

Moderate flooding occurred along the Condamine River, affecting low-lying areas and causing some road closures.

2011
Major

The Condamine River experienced major flooding, inundating parts of Dalby and causing significant damage to property and infrastructure.

Adaptation & Mitigation Actions

Upgrade Flood Defenses

Near-term

Invest in infrastructure improvements to mitigate flood risk, such as levees, improved drainage systems, and flood-resistant building designs.

Est. cost: High

Develop Heat Action Plan

Immediate

Implement a heat action plan to protect vulnerable populations during heatwaves, including establishing cooling centers and providing public awareness campaigns.

Est. cost: Medium

Improve Water Management

Near-term

Implement water conservation measures and explore alternative water sources to ensure water security during droughts.

Est. cost: Medium

Enhance Bushfire Preparedness

Long-term

Implement bushfire mitigation strategies, such as vegetation management and community education programs, to reduce the risk of bushfires.

Est. cost: Low

Council & Emergency Services

Western Downs Regional Council
Emergency Services

Data last updated: 2 April 2026

Explore Dalby Risk Reports

Frequently Asked Questions

Is Dalby at risk of flooding?

Based on available data, Dalby has a notable flood risk profile. Flood risk varies by address — check your specific property for precise flood zone mapping and elevation data with ClimateNest.

What flood insurance costs can I expect in Dalby?

Insurance costs for flood cover in Dalby depend on the property's flood zone classification, elevation, and proximity to waterways. ClimateNest provides address-level insurance cost estimates based on your property's specific hazard exposure.

Does flood risk affect property values in Dalby?

Yes, flood risk can affect property values in Dalby. Properties in mapped flood zones may experience lower buyer demand, reduced valuations, and higher insurance costs. Lenders increasingly assess flood exposure as part of mortgage risk evaluation.

How does elevation affect flood risk in Dalby?

Elevation is a critical factor in flood risk. Properties at higher elevations within Dalby typically have lower flood exposure than those near waterways or in low-lying areas. Address-level elevation data combined with BOM flood mapping provides the most accurate picture.

What are the main climate risks in Dalby?

ClimateNest's suburb model rates Dalby's dominant climate risk as extreme heat at 6/10 on a 0–10 index, followed by damaging wind (6/10) and severe storm (6/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Dalby.

What share of Dalby is exposed to high tropical cyclone risk?

ClimateNest's hazard overlay maps 18.1% of Dalby in high-risk zones for tropical cyclone, with a further 63.8% in moderate-risk zones. Suburb-level exposure is not uniform — individual properties can differ from these averages, so an address-level check is recommended.

Is Dalby Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Dalby, Queensland, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

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