Arctic sea ice likely reached its annual minimum extent on September 12, 2026. At 4.60 million square kilometers (1.78 million square miles), the 2026 minimum extent is statistically tied for tenth lo...

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Experts question the need for the proposed amendment, its scientific objectivity, and whether it complies with the strict rules and procedures that are supposed to guide federal government production…

Warmth favored for most of the country, with a little good news for the dry West.

Our current El Niño is not yet the strongest on record, but the atmosphere across the Pacific is already reacting.

International report confirms record-high greenhouse gases, global sea level, and ocean heat in 2025.

Welcome back to a new era of the ENSO blog.

Why she's leery of the term 'super El Niño,' what could still derail the strength of the current event, and why NOAA has adopted a new approach to tracking El Niño and La Niña.