The Australia outlook is prohibitively wet for most of the continent. AI models are utilized although dynamic models are agreeable to possible extreme rainfall centered on East-central to South-central Australia over the next 15 days. No change in the 16-20-day forecast as the wet regime continues.

The 7-day percent of normal rainfall observations identify the expected eastward shift of patchy rainfall across parts of Argentina and Brazil. This weekend and early next week, an upper trough spawns heavy rain in East Brazil as the forecast shifts much wetter.

The 30-day percent of normal rainfall observations identify a steady very dry signature centered on Uruguay and vicinity with a patchy wet bias across west and south portions of Argentina plus East Brazil. The 7-day observations are drier except wetter Central Argentina, Northeast Brazil, and parts of Brazil due east of Paraguay.

January 2026 ranked 24th warmest of the 132-year history across the U.S. The month was characterized by prohibitive warmth for much of the month followed by an arctic outbreak later in the month across the East. Despite the chill, Eastern States managed only top 25% coldest January (at best).