Mojave National Preserve

High pressure ridge drives record heat in western USA

A ridge of high pressure over the western United States is bringing unusually hot and dry conditions, with record temperatures expected from May 30 to 31, 2025. The hottest areas include southern Nevada, southeast California, and northwest Arizona. Cooler air and possible light rain from a Pacific cold front and Tropical Storm Alvin are forecast to arrive by early June.

Water logging at Las Vegas airport.

Flash flooding in Las Vegas Valley leaves man missing as storm breaks rainfall records

A powerful storm system drenched Southern Nevada on May 6, triggering flash flood warnings, airport delays, and a swift-water rescue in Henderson after a man was swept into a wash and disappeared. Rainfall totals shattered multiple records across the Las Vegas Valley, with Harry Reid International Airport logging the highest May rainfall in over five decades.

satellite image of nevada us at 1600 utc on october 16 2024 f

Red Flag Warning issued for parts of central and northeastern Nevada

The National Weather Service has issued a Red Flag Warning across parts of central and northeastern Nevada, effective from 11:00 LT to 20:00 LT on Wednesday, October 16, 2024, warning of dangerous fire weather due to strong winds and low humidity.

Excessive Heat Warnings in effect for California, Nevada and Arizona

Excessive Heat Warnings in effect for California, Nevada and Arizona

Record-breaking heat is forecast across the southwestern United States on June 6 and 7, 2024, with Excessive Heat Warnings in effect for nearly 20 million people — from California and Nevada to Arizona. Las Vegas has reached 43.3 °C (110 °F) at 14:11 LT today, tying the record for the earliest 110 °F day.