Colorado weather: Poor air quality in Denver, flash flood threats in mountains The Denver Post

Denver will warm back up from a rainy and cool weekend, eventually climbing back into the 90s later this week. July ended as the 9th-driest July on record at 0.34 inches of rain recorded at Denver International Airport, despite much of the metro area getting over 1.5 inches of rain.

According to the National Weather Service, Denver will reach 86 degrees under mostly sunny skies on Monday.

There’s a 20% chance of storms in the evening with the increased moisture resulting in an elevated threat of flash flooding in the East Troublesome, Cameron Peak and Williams Fork burn areas.

Smoke will once again create hazy skies as Douglas, Jefferson, Denver, western Arapahoe, western Adams, Broomfield, Boulder, Larimer, and Weld Counties are under poor air quality alerts due to the concentration of ozone and fine particulates. Downtown will drop to 64 degrees overnight.

There’s a 50% chance of thunderstorms in Denver on Tuesday, with a high of 85 degrees. The partly sunny skies will darken in the afternoon, bringing near 20 mph wind gusts and a low of 63 degrees. Heavy rainfall is possible across the foothills and mountains.

Wednesday will top out around 85 degrees in Denver and cool to 60 degrees. There’s a 40% chance of thunderstorms in the afternoon with some clouds in the sky all day.

A heating trend, bringing drier air, will begin Thursday, pushing temperatures back into the 90s by week’s end.

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