Story perspectives

Historic March Heat Wave Causes Record Highs and Concerns

3/19/2026

Summary

Story summary

A historic March heat wave grips the western United States, bringing record warmth to several cities.
San Francisco marks its hottest March in more than 20 years, with daily highs near 90°F.
Phoenix is forecast to exceed 100°F, a temperature typically seen in early May.
Las Vegas may record its earliest triple-digit temperatures.
Colorado snowpack is at its lowest in decades, raising concerns about water shortages and potential lawn-watering restrictions.

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Story summary

A historic March heat wave grips the western United States, bringing record warmth to several cities.
San Francisco marks its hottest March in more than 20 years, with daily highs near 90°F.
Phoenix is forecast to exceed 100°F, a temperature typically seen in early May.
Las Vegas may record its earliest triple-digit temperatures.
Colorado snowpack is at its lowest in decades, raising concerns about water shortages and potential lawn-watering restrictions.