Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

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Last Map Update: Tue, Jun 30, 2026 at 9:32:34 am PDT

Watches, Warnings & Advisories

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Gale Warning

Small Craft Advisory

Hazardous Seas Warning

The Week Ahead

Local frost/freeze concerns east of the Cascades

An upper trough remains in place through midweek, which will keep temperatures below seasonal norms. This trough will recede steadily, which will allow for slow and steady warming. Energy moving around the trough looks to bring breezy afternoon and evening winds. A weak ridge could bring temperatures about 5 degrees above normal for the holiday weekend.