Science ❯ Earth Sciences ❯ Atmospheric Science ❯ Weather Systems

Moisture Dynamics

Monsoon Pause Gives Way to Extreme Heat Watch for Las Vegas Valley

A Pacific low briefly pushed monsoonal moisture into the region ahead of a rapid return to dangerous triple‑digit temperatures.

NWS Warns of Likely Overnight Flash Flooding as Heat Dome Builds for Midweek

Persistent Heat Dome Envelops Eastern U.S., Leaves 80 Million Facing Extreme Heat