Forecasters don’t have the high dipping below 100 until Wednesday, when a weak system may bring cooler air. Highs will remain in the 90s, though.

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All the talk about breaking records is starting to sound like, well, a broken record, with unusually hot and dry conditions persisting through the holiday weekend.

Yakima likely will see a fairly recent record fall — the longest streak of days topping 100 degrees.

“The record is eight days and that was set starting July 19, 2013. The current streak is seven days, including (Thursday),” said Marilyn Lohmann, duty forecaster with the National Weather Service at Pendleton, Ore.

“We’re predicting 106 (today), 102 for Saturday, then 100,” she added. “It’s a pretty good bet that the record will at least be tied if not broken.”

Forecasters don’t have the high dipping below 100 until Wednesday, when a weak system may bring cooler air. Highs will remain in the 90s, though.

The Weather Service issued two familiar warnings on Thursday as people continued to plan for events that traditionally happen outdoors and involve flammable materials.

A heat advisory means that forecasters expect a period of hot temperatures. The Weather Service warns that “very hot conditions” will persist across the interior Northwest through the rest of the week.

The advisory for the foothills of the Northern Blue Mountains of Oregon, the Kittitas and Yakima valleys and the foothills of the Blue Mountains of Washington is in effect until 8 tonight.

“Strong high pressure will continue over the Pacific Northwest through (today). As a result, high temperatures will continue to be very hot,” it notes.

Highs are predicted to reach 106 degrees this afternoon, with the hottest part of the day occuring between 2 and 6 p.m. Overnight lows will dip in the mid- to upper-60s.

That high temperature is unusual for so early in the summer, Lohmann said. Previous records of successive days topping 100 degrees usually occurred in late July and August.

“The eight- to 14-day outlook still shows us slightly above normal temperatures,” she added. “Climatologically, our high should be mid- to upper-80s this time of year.

“It can’t last forever, but it sure feels that way.”

The Weather Service’s red flag warning issued for the Kittitas Valley from 3 to 9 p.m. today means that critical fire weather conditions “are either occurring or will shortly.”

“A combination of strong winds, low relative humidity and warm temperatures will create extreme fire growth potential,” the organization said.

The strongest winds will focus down the Kittitas Valley, the Weather Service said. But the Wenatchee Valley could be breezy, too.

Emergency response officials have warned of the fire danger for days. And while many public fireworks displays are still on for Saturday, officials have urged extreme restraint for civilian displays.

Burn bans are in place in Yakima, Klickitat and Kittitas counties. Lands under control of the state, such as Fish and Wildlife areas, are also under bans.

In addition to open flames, fireworks are banned on all unincorporated Yakima County land, as well as state and federal lands.

The holiday weekend alone can bring more cases to hospital emergency departments.

Shannon Dininny, communications specialist for Yakima Valley Memorial Hospital, said medical personnel have seen some heat-related cases, but most involve people with chronic health conditions, such as heart disease.

She urged those working outdoors to do so earlier in the day, if possible, and suggested that people keep a closer eye on those who are most susceptible to the heat. She also stressed caution and common sense.

“Our big concern is getting the education out there,” she said.