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Heat advisory extended through Thursday

Little relief is expected at night, with lows only in the mid to upper 70s. If you need a cool place to stay, public places such as local senior centers, libraries and malls are good options.

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Today, the heat dome begins to bake the Great Plains.

– Limit outdoor activities to early morning or evening.

To beat the heat, stay in air conditioned buildings as much as you can.

The high Thursday is expected to climb to 97 degrees, with a heat index of 107 degrees. Temperatures in New York City should rise into the low 90s this weekend, according to the NWS – though Weather.com predicts a high of 97 degrees Fahrenheit on Saturday. Although temperatures may fall shy of record levels, the long duration of the event will take its toll.

Environment Canada said in its own heat warning that there are multiple signs someone could be struggling with heat exhaustion. Add in the humidity and it will feel more like 107 degrees.

With excessive heat occurring over multiple days and nights, the weather service has issued the warning to alert people to the potential health risk to children, the elderly, those with medical conditions and pets. If you do not have access to air conditioning in your home, the City of Peoria opens several cooling centers to the public during excessive heat.

We will remain under the eastern edge of a high pressure ridge and that will bring more extreme heat for the rest of the week.

– Wear loose, lightweight, light-colored clothing.

In Phoenix, Arizona the agency predicts highs of 111 degrees Thursday, 112 degrees Friday, and 111 degrees Saturday.

The Salina area, and areas to the north and east are under an excessive heat warning through Friday.

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I’ve included our Temp Tracker graphic that shows both the actual temperature, and respective heat index value for different times during the day.

Dangerous heat to swell from central US midweek to East Coast by the weekend