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Pacific Northwest to Join the East Coast in Unseasonable Heat

Christy Bowen

2 hours ago
Climate Central temperature anomaly map for June 12, 2026, showing maximum temperature departures from the 1991–2020 normal across the United States, with deep red and dark red shading indicating temperatures running 10 to 25+ degrees above average across the West Coast, Pacific Northwest, and much of the eastern U.S.
A Climate Central temperature anomaly map shows much of the U.S. running well above normal on June 12, 2026, as record heat grips both the East Coast and the building heat dome targets the Pacific Northwest. (Climate Central)

The East Coast will not be the only part of the country roasting in the days ahead. A heat wave is also starting to spread across the Pacific Northwest. Read on for a closer look at just how toasty it will get in various parts of the U.S. as the weekend approaches.

Record-Breaking Temperatures Persist Through the Weekend Along the East Coast

Record heat is forecast to hit the eastern U.S. for the next few days. Right on the heels of the East Coast heat wave, the Pacific Northwest will also get in on the unseasonable warmth.

Heat advisories have been issued for a large swath of the Midwest and the East. A number of the nation's largest metro areas are under some degree of heat alert, including New York City, Philadelphia, Baltimore, and Raleigh. The National Weather Service (NWS) issues heat advisories when the combination of heat and humidity may be dangerous to those with underlying health conditions. This is the lowest level of heat alert used by the NWS.

The mercury began to rise on Thursday across much of the eastern half of the U.S. Daily record highs could fall in the next few days from Georgia to New England as the heat builds.

Widespread readings in the 90s will be the norm for millions of Americans heading into the weekend. The 90-degree readings may creep as far as Vermont. For instance, Boston is forecast to see highs near 90 degrees on Friday, Saturday, and Sunday. Saturday will likely feel the warmest, thanks to the most sunshine expected on this day.

Climate Central average high temperature forecast map for June 12–14, 2026, based on NOAA GFS model data, showing widespread temperatures in the 80s, 90s, and 100s across the contiguous United States, with the deepest red shading concentrated across the Southwest, South, and Southeast where triple-digit heat is forecast
A Climate Central temperature forecast map shows the scope of the heat event from June 12–14, 2026 — with near-record and record highs in the 90s and 100s blanketing much of the country from coast to coast. (Climate Central)

Temperatures that climb into the triple digits are possible for portions of the Carolinas and Virginia. Places such as Raleigh could see one of its earliest 100-degree days on record if this forecast comes to fruition. The earliest recorded date at this threshold happened in 1895 when the temperature reached 100 degrees.

The heat wave is predicted to peak on Friday. However, the hot and muggy weather is forecast to persist through the weekend, bringing the chance of more record temperatures in southern parts of Virginia and down into the Carolinas. Forecasters are also warning that the increase in humidity will help to fuel scattered thunderstorms at times this weekend in the eastern two-thirds of the country.

The temperatures will begin to return to more seasonable levels on Sunday in the interior portions of the Northeast as a strong cold front pushes in from the Plains states. The rest of the East Coast will see the relief by Monday, while the Southeast may need to wait until Tuesday. Places such as New York City will tumble from highs in the low 90s on Friday and the weekend to a top reading of 80 degrees on Monday. By Tuesday, the mercury will struggle to climb out of the mid 70s.

Tags

east coast heatpacific northwest unseasonable warmthweekend forecast calls for more heat

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