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Excessive Heat in San Bernardino County-upper Colorado River Valley, California
Excessive Heat June 18, 2025 – June 19, 2025 · San Bernardino County-upper Colorado River Valley, California
What the National Weather Service wrote
Extreme Heat Warning criteria were reached on two straight days.
The wider storm
Another dome of high pressure passed over the Mojave Desert, triggering another round of dangerously hot temperatures.
Source: NOAA Storm Events Database, event 1274229. Narratives are written by the National Weather Service forecast office that issued the report.
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