According to NWS, the latest 90-degree temperature on record for Phoenix is November 15 set in 1999.
The forecast high is 89 - which would break the record of 87 degrees set back in 1917.It would also be the warmest Thanksgiving on record beating out the 86 degrees we saw back in 1998 and 1904.
Some heat records for a November 21 were set in Los Angeles County Tuesday, including 91 in Burbank, topping the 88 set in 2002; 91 in Woodland Hills, besting the 89 set in 2002; and 74 in Sandberg, compared to 70 in 1995.
The heat wave, which began Wednesday, was expected to begin breaking up Friday.More news: AG Sessions says he 'always told the truth' in describing Russian Federation contacts
Sunshine will warm our afternoon temperatures into the mid-60s, but with light and variable winds, it will feel significantly warmer than it did for our Thanksgiving afternoon. Highs are expected to top 95 in some areas Wednesday and Thursday, especially in the Inland Empire. Forecasters predicted temperatures in the high 80s and mid-90s throughout the Los Angeles area.
The National Weather Service says downtown Los Angeles could reach 90 degrees, a record. The normal average high for this time of the year is 72 degrees. Temperatures will be near record highs with lower 70s along the Front Range.
Thursday's high at Santa Barbara Airport is forecast to be a relatively chilly 83 degrees. The cold air advection continues overnight as temperatures steadily fall through early Thanksgiving morning.
The high-pressure ridge is predicted to weaken over the weekend, and near-normal temperatures should return by Monday, Sirard said.