IDW13170
Australian Government Bureau of Meteorology
Western Australia

Central Wheat Belt District Forecast
Issued at 6:48 pm WST on Saturday 20 December 2025
for the period until midnight WST Wednesday 24 December 2025.

Warning Information
For latest warnings go to www.bom.gov.au, subscribe to RSS feeds, call 1300 659
210* or listen for warnings on relevant TV and radio broadcasts.

Weather Situation
A ridge will develop across much of southern WA on Sunday, while a trough lies
across the Interior. A weak front will brush the south coast on Monday,
followed by the west coast trough returning by Tuesday.

Forecast for the rest of Saturday 20 December
Clear. Winds southeasterly 20 to 30 km/h.

Forecast for Sunday 21 December
Sunny. Winds southeasterly 20 to 30 km/h. Overnight temperatures falling to
between 8 and 12 with daytime temperatures reaching around 30.

Dalwallinu          Sunny.                          Min 12      Max 31  
Merredin            Sunny.                          Min 10      Max 29  
Northam             Sunny.                          Min 11      Max 30  
Southern Cross      Sunny.                          Min 10      Max 29  

Fire Danger: 
Karroun: High
Lockwood: High
Mortlock: High
Avon: High

Sun protection 7:40am to 4:30pm, UV Index predicted to reach 14 [Extreme]

Forecast for Monday 22 December
Sunny. Winds southeasterly 20 to 30 km/h. Overnight temperatures falling to
between 11 and 16 with daytime temperatures reaching the low to mid 30s.

Dalwallinu          Sunny.                          Min 15      Max 34  
Merredin            Sunny.                          Min 13      Max 32  
Northam             Sunny.                          Min 14      Max 33  
Southern Cross      Sunny.                          Min 13      Max 32  

Forecast for Tuesday 23 December
Sunny. Winds southeasterly 20 to 30 km/h turning easterly 25 to 35 km/h during
the morning. Overnight temperatures falling to between 13 and 19 with daytime
temperatures reaching the low to high 30s.

Dalwallinu          Sunny.                          Min 19      Max 37  
Merredin            Sunny.                          Min 14      Max 35  
Northam             Sunny.                          Min 15      Max 36  
Southern Cross      Sunny.                          Min 15      Max 34  

Forecast for Wednesday 24 December
Sunny. Winds easterly 25 to 35 km/h. Overnight temperatures falling to between
15 and 22 with daytime temperatures reaching 33 to 38.

Dalwallinu          Mostly sunny.                   Min 22      Max 38  
Merredin            Sunny.                          Min 19      Max 36  
Northam             Sunny.                          Min 18      Max 38  
Southern Cross      Sunny.                          Min 17      Max 34  

The next routine forecast will be issued at 1:30 am WST Sunday.

* Calls to 1300 numbers cost around 27.5c incl. GST, higher from mobiles or
public phones.


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