A big warmup is expected to take hold across the eastern United States in the coming days, bringing temperatures that will feel more like midsummer than mid-May. Much of the East Coast, Mid-Atlantic, and Northeast could see temperatures surge well above average as a strong area of high pressure settles over the region.
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A strong ridge of high pressure is migrating eastward over the next few days. That brings it squarely over the southern and central plains by the end of the week.
Highs look to be the worst in the Southern Plains in terms of raw temperatures, closing in on the century mark. Record highs will be likely into early next week.

After a stretch of cooler spring weather, warmer air is expected to spread eastward through the weekend and into next week. High temperatures are forecast to climb into the 80s across many areas, while some cities could approach or even reach 90 degrees for the first time this year.

Major cities along the Interstate 95 corridor, including Washington, D.C., Philadelphia, and New York City, may come close to daily temperature records if the heat intensifies enough. Some locations could end up 20 to 30 degrees warmer than what is typical for this time of year.

The heat is also expected to stick around for several days instead of quickly moving out, making it one of the more significant warm spells so far this spring. Increasing humidity levels may enhance the summer-like feel, especially in the afternoons and evenings.
The unusually warm pattern is expected to continue into next week before cooler air eventually returns. While many people may enjoy the warmer weather, the sudden jump in temperatures could lead to increased energy use and may be difficult for those who are sensitive to heat.
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