Temperature Extremes

Sizzling Start to Summer
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Sizzling Start to Summer

The eastern United States sweltered under high heat and humidity in late June 2025, breaking temperature records across the Midwest and Northeast.

Published Jun 25, 2025

Image of the Day Heat Temperature Extremes

Winter Arrives Early in Lesotho and South Africa
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Winter Arrives Early in Lesotho and South Africa

A powerful weather system brought heavy snow to southern African mountains, plus high winds and flooding to the lowlands.

Published Jun 12, 2025

Image of the Day Land Severe Storms Snow and Ice Temperature Extremes

Record Heat in Northwest European Waters
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Record Heat in Northwest European Waters

Unusually warm sea surface temperatures lingered for months in the waters around the U.K. and Ireland in spring 2025.

Published May 30, 2025

Image of the Day Heat Temperature Extremes

Spring Heat Wave in Iceland
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Spring Heat Wave in Iceland

Temperatures soared across the island during an early, widespread, and long-lasting hot spell.

Published May 29, 2025

Image of the Day Heat Temperature Extremes

Late-Autumn Storm Lashes New Zealand
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Late-Autumn Storm Lashes New Zealand

Wintry conditions swept across the mountains, while destructive wind and flooding hit some of the country’s largest cities.

Published May 5, 2025

Image of the Day Severe Storms Remote Sensing Temperature Extremes