
Warmest March on Record in U.S.
04/08/2026, 3:07 pm EDT
U.S. Week 2-4 Outlook: The National Pattern Cools Off and Turns Wetter
04/13/2026, 12:01 pm EDT
Climate Impact Company Week 2-to-4 South America Outlook
Issued: Friday April 10, 2026
Headline: Wet pattern in Brazil abates early May.
Chart of the day: The 7-day percent of normal rainfall observations.

Discussion: During the past 7 days, heavy rain has pounced on Northern Argentina while very dry weather has affected Central Argentina and East Brazil.
Week-2 Valid April 19-26, 2026: Heavy rains Brazil.


Discussion: The outlook features heavy rain across much of Central Brazil to Northwest Argentina while Southeast Brazil is dry and hot.
Week-3 Valid April 26-May 3, 2026: Rains shift into Northeast Brazil.


Discussion: The wet pattern in Brazil moves into the northeast region. Elsewhere shifts drier. Hot weather risk continues Southeast Brazil.
Week-4 Valid May 3-10, 2026: Wetter Argentina/drier Brazil pattern change.


Discussion: A pattern change is indicated as Brazil shifts much drier and wet weather returns to northern/northeastern Argentina.
