Record-breaking heat wave hits West Coast

CBS News
March 18, 2026
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2 min read

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The Bottom Line

The West Coast is experiencing record-breaking winter heat; some cities have issued high-alert warnings.

How This Affects You

Unusually hot winter temperatures may strain power grids and affect water supplies in West Coast cities on high alert.

AI Summary

The West Coast is experiencing unusually warm winter temperatures that have prompted high alert status in several cities. The warm-up has brought conditions more typical of summer months rather than the season's normal winter patterns. Such extreme temperature swings can strain power grids, increase wildfire risk, and disrupt ecosystems adapted to seasonal norms. The situation underscores growing concerns about temperature volatility affecting the region, which has faced severe drought and fire seasons in recent years. Authorities are monitoring the situation as residents adjust to the anomalous conditions.

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