Denver weather: Scorching temperatures with a heat advisory and air quality alert Monday
Denver residents will see temperatures climb on Monday, approaching record heat. Be sure to bring a water bottle with you when you go out today.
Meteorologists with the National Weather Service in Boulder said Monday is expected to be sunny and hot, with a high of 97. That’s about 3 degrees cooler than the record high for July 13 in Denver, which was set in 2003, according to weather service archive data.
Mostly quiet weather expected tomorrow, with a few isolated thunderstorms possible for Park County and the Palmer Divide. Temperatures expected to reach up to the mid 90s again for much of the plains. Stay cool and hydrated out there! #COwx pic.twitter.com/OKiEYDtzJI
— NWS Boulder (@NWSBoulder) July 12, 2026
A heat advisory is in effect on Monday starting at 10 a.m. along most of the Front Range urban corridor from Douglas County in the south to Larimer County, and east to Weld, Adams and Arapahoe counties and Western counties Broomfield and Boulder.
According to the National Weather Service, the heat risk is at a level 3, which may affect anyone without cooling and hydration, as well as certain health systems and industries.
The National Weather Service advises residents to reduce risk and duration of outside work, take frequent breaks in shaded or air-conditioned areas, and to drink plenty of water.
🌡️THE HEAT IS ON🥵
— NWS Boulder (@NWSBoulder) July 12, 2026
As temperatures stay hot for the entire week ahead, here are some best practices to keep in mind. #COwx
💦Stay hydrated
🌳Seek shade
🚗Check the back seat
✅Check on the elderly, pets, or those without AC
🚫Avoid strenuous activities during heat of the day pic.twitter.com/CwR4U4cjCb
An Ozone Action Day Alert for Denver and most of the Front Range urban corridor from Douglas County in the south to Larimer County in the north and east to Weld, Adams and Arapahoe counties and Western counties Broomfield and Boulder. It is in effect until 4 p.m. Monday.
The National Weather Service said to expect breezy conditions in the afternoon, with south winds between 10-17 mph, picking up to as high as 28 mph in the late afternoon and evening.
Temperatures are expected to cool off only a little bit Monday night with lows reaching 67 degrees and light wind gusts.
The National Weather Service said to expect hot temperatures to remain this week, with highs in the mid-90s all week long.