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High heat and dry air dominate final June numbers on the Front Range

Several 90-degree days are coming next week, then 100s possible by next weekend.

DENVER — June brought Denver thirteen 90-degree days for a total of 14 on the year counting the one in May. We also saw the earliest 100-degree day in history on June 11 (tied with 2013).

It was the third consecutive June, and seventh out of the last eight, where Denver’s average temperature was above 70 degrees. The average is 68.2 degrees. 

That means there was a lot of extra evaporation. And to make matters worse for Denver, only about a half an inch (0.58”) of rain fell in June, well below the average of nearly 2 inches (1.94”).

That means there was a lot of extra evaporation. And to make matters worse for Denver, only about a half an inch (0.58”) of rain fell in June, well below the average of nearly 2 inches (1.94”). 

All of the official weather stations on the Front Range finished June hotter and drier than average, except for Evergreen, which had slightly above average rain. 

Credit: KUSA

The forecast for July is much of the same – just hotter. 

It will likely stay in the upper 80s and low 90s around the Front Range this weekend, with highs during the week approaching the middle 90s. That's slightly above average, but the computer models for next weekend are already grabbing our attention.  

Extreme heat is expected to build up by Friday, July 8. This heat wave could end up being centered over Colorado. The outlook for now shows possible 100-degree temperatures July 8-10.   

High pressure in that spot also means that monsoon moisture would get pushed away from Colorado. So extremely hot and dry.  

The signal in the computer models has been so strong and consistent that there is a high confidence in this forecast even a week in advance. So that should impact the way you plan. 

Strenuous or long duration outdoor activities could become dangerous.

RELATED: Major Colorado heat wave en route: Denver could hit 100 degrees next weekend

RELATED: What the Supreme Court ruling means for climate change mitigation in Colorado

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