Severe Weather and Heavy Rain for the Plains and Mid-Atlantic; Building Heat in the West

Severe thunderstorms will remain possible in the Mid-Atlantic through Tuesday. Severe thunderstorms and heavy rain will also be possible in the central/southern Plains on Tuesday and Wednesday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry weather will create Elevated to Critical fire weather conditions in the Four Corners Region. Read More >

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Last Map Update: Tue, Jun 23, 2026 at 3:18:25 am PDT

Watches, Warnings & Advisories

National Weather Service Salt Lake City, UT

National Weather Service San Joaquin Valley, CA

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National Weather Service NWS Flagstaff, AZ

National Weather Service Los Angeles, CA

Extreme Heat Warning

Red Flag Warning

Heat Advisory

Air Quality Alert

Thunderstorms Today and Tonight

Isolated to scattered thunderstorms are expected late this afternoon through tonight, mainly along and south of I-15. While we’re all in dire need of some rain, unfortunately, the main concerns with these storms will be lightning and gusty downburst winds given very dry lower-levels of the atmosphere. These lightning strikes and winds will also yield increased concerns for lightning-started wildfires beneath any storms that develop.

Severe Weather and Heavy Rain for the Plains and Mid-Atlantic; Building Heat in the West

NWS Forecast Office Las Vegas, NV