The highest odds for a much warmer than normal and much drier than normal October are across the western and central parts of the country.
The lowest 18 sea ice extents on record have all occurred in the last 18 years (2007–2024).
August was 15th consecutive month of record-setting global temperatures, and it brought the second-lowest August sea ice extent in the Antarctic.
There have been plenty of episodes in this season's La Niña Watch. Our blogger recaps what's happened so far and what we can expect in the upcoming months.
Three tropical systems brought heavy rain and wind to the U.S. and its territories in August; it was the fourth-warmest summer on record for the contiguous U.S., and many cities were gripped by record heat.
The highest odds for a much warmer than normal September are in the central West and southern Florida. The highest odds for a much drier than normal September are in the Upper Midwest.
International report confirms record-high greenhouse gases, global sea level, and ocean heat in 2023.
Record precipitation, tornadoes, hurricanes, and wildfires impacted the U.S.; four new billion-dollar weather and climate disasters were confirmed in July.
The dog days of summer have slowed down La Niña's arrival, but odds are still high for an event by fall.
Warmer-than-normal conditions are favored across the U.S. for the last month of meteorological summer. Rain in the East could alleviate drought.