As an upper-level ridge slowly moves to the east, it will allow for above average temperatures across most of the nation for at least part of the week. Even some locations in the Southern Tier of the US will experience record-breaking heat. Death Valley, California already reach 110 degrees on Sunday, which is ahead of the typical first day of 110+ degree heat on May 19th.

On Tuesday, record-breaking heat will be possible in the few cities, including in Reno and Ely, Nevada. High temperatures will be up to 35 degrees above average from the interior West through the Central and Southern Plains. Highs will be up to 15 degrees above average for the West Coast, Upper Midwest, Southeast, and the Northeast. The highest of temperatures will be in the desert Southwest and western Southern Plains where highs will approach or even exceed the Century Mark. Meanwhile, the Mid-Atlantic and Carolinas will be experiencing temperatures up to 15 degrees below average due to an upper-level low.




By Wednesday, warmer temperatures will affect the large majority of the country. The only exception will be along the immediate West Coast as well as on the Outer Banks and in the Tidewater of Virginia. The remainder of the Western US and the Central Plains will experience high temperatures as much as 35 degrees above normal. All other areas can generally expect highs of 5 to 15 degrees above the average high for this time of the year. Highs in many areas will be in the 70s, 80s, and 90s.

Now on Thursday, the warmer temperatures will begin to move up the East Coast while a cold front ushers in cooler air to the Northern Plains. Temperatures will also be cooler than normal across much of the Northwest. In the Southwest through the East Coast, highs will remain above average. Most areas in the East will experience highs of 5 to 10 degrees above average while the Southwest is 15 to 35 degrees above average.

Cooler air will continue to seep southward from Canada, allowing for below average temperatures for much of the Northern Tier from the Northwest through northern New England on Friday. Highs will be 10 to 25 degrees below average in the Great Lakes. To the south, conditions will still be above average. The highest temperatures anomalies will be found in the eastern Southwest and western Southern Plains. That’s where highs will be up to 30 degrees above average. The remainder of the area that is forecast to feel the warmer than normal temperatures will be 5 to 15 degrees above average. Highs in the 90s will really become widespread by this time in the Southeast. Some areas may even near 100 degrees while West Texas does reach 100 degrees.

Warmer air will begin to make a comeback this weekend for the West Coast while the cooler air seeps into the Northern Plains through much of New England on Saturday. Temperatures will be the coolest relative to average in the Rockies. In terms of the warmth, temperatures for a large region will be 10 to 20 plus degrees above average from the Southern Plains through the Mid-Atlantic. High temperatures may surge into the 90s as far north as Virginia.




Then on Sunday, the cooler air will retreat from much of the Northeast while remaining persistent in the Rockies and Central Plains. Warmer air will return to the Northern Plains. Meanwhile in the Pacific Northwest and Mid-Atlantic, highs will surge to as much as 30 degrees above average. Highs will likely get into the 90s and even near 100 degrees for the Carolinas up through Washington, DC. This will approach record levels.

A brief cool down may return to the Northeast early-next week before the heat builds back in. Above average temperatures will  remain the major theme for much of the country into next week.

Author

Jackson is Head of Content at WeatherOptics and produces several forecasts and manages all social media platforms. Previously, Jackson forecasted local weather for southwestern Connecticut, founding his website, Jackson's Weather, in the March of 2015. He is currently studying Meteorology and Broadcast Journalism at the University of Miami.

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