100-plus temperatures are on the horizon

Enjoy these unseasonably cool days while you can because triple-digit heat is bearing down on the Rogue Valley.

The National Weather Service is predicting highs to raise significantly each day over the coming days, with daytime temperatures climbing to as high as 108 by early next week.

"We are just about done with the cooler weather," said meteorologist Chuck Glaser. "It is going to start warming up and stay pretty hot."

Highs are set to crack the 90s by Thursday and could nudge into the triple digits by week's end.

"It's on Monday and Tuesday that we expect to see the real heat," Glaser said.

The weather service is calling for a high of 106 on Monday and 108 on Tuesday, which would tie the high temperature record.

So far, the summer has been unseasonably cool, with temperatures hovering in the 70s and low 80s during the day.

"Since June 10, we've been in a cool-weather pattern and that's going to end," Glaser said.

It's still too far out to predict temperatures for the Fourth of July, but Glaser said he expects highs to remain in the 90s for the holiday.

"The normal highs for July 4th are around 88 and I think we will be above that," Glaser added.

The cool nights also are coming to an end, with lows expected to stay in the upper 60s after dark.

"It won't allow things to cool at night," Glaser said. "It will make the heat even worse."

The storms that crept in over the past week did not bring a significant amount of rain to the Rogue Valley. The area notched less than an inch of rain for the week, despite the heavy cloud cover that blocked the sun for several days in a row.

Oregon Department of Forestry crews are eyeing the coming temperatures and expecting wildland fires to increase as the heat tops 100 degrees.

"It's been a pretty alarming turnaround from the 70s to 100 degrees," ODF spokesman Brian Ballou said. "It's definitely got our attention. But we are prepared for it."

ODF crews spent Tuesday mopping up a stubborn wildland fire that burned just east of Eagle Point over the weekend.

Ballou said the recent rains were not nearly enough to dampen the chances of forest fires when temperatures reach 100 degrees.

"The rain will have no meaningful effect on fire season," Ballou said. "The forests are dry and there is a large likelihood that we'll see some fires next week. Based on what we've already seen, we could end up with some significant fire activity soon."

Reach reporter Chris Conrad at 541-776-4471 or cconrad@mailtribune.com.

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