Extreme Rainfall in Australia during February 2026

MJO Supports Warm Expansion of the U.S. Pattern
02/25/2026, 8:15 am EST
Rapid Warming of the Pacific Ocean Subsurface in February 2026
03/01/2026, 6:40 am EST
MJO Supports Warm Expansion of the U.S. Pattern
02/25/2026, 8:15 am EST
Rapid Warming of the Pacific Ocean Subsurface in February 2026
03/01/2026, 6:40 am EST
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Climate Impact Company Week 2-4 Outlook

Australia

Issued: Thursday, February 26, 2026

Highlight: Heavy rain pattern eases after Mid-March.

Chart of the day: Percentage of normal rainfall in February so far.

Discussion: Prohibitive rain has drenched Central and South-central Australia in February. Parts of northeastern New south Wales and interior Western Australia were drier than normal.

Week-2 Ahead Forecast valid March 8-15, 2026: Excessive rainfall risk for much of Australia.

Discussion: Graph Cast indicates the wet pattern of February is ongoing the second week of March.

Week-3 Ahead Forecast valid March 15-22, 2026: Heavy rains continue.

Discussion: Mid-March brings a drier and hotter break across the southern half of Australia.

Week-4 Ahead Forecast valid March 22-29, 2026: Areas of wet and hot weather across Southern Australia.

Discussion: Wet weather regenerates over southwestern Western Australia with anomalous heat forecast for western New South Wales.