Denver, Colorado – A mix of dangerous heat, severe thunderstorms, and worsening air quality could make Tuesday afternoon a rough ride across metro Denver and the Front Range.
According to the National Weather Service in Boulder, scattered thunderstorms will fire up after 2 p.m. Tuesday along the I-70 corridor and foothills, including South Park and areas west of Denver. These storms could produce brief heavy rain, wind gusts over 40 mph, and small hail. The strongest cells may trigger localized flooding in poor drainage zones.
Meanwhile, a Summer Ozone Action Day Alert remains in effect until 4 p.m. Tuesday for Denver, Boulder, Jefferson, Arapahoe, and six other counties. Ground-level ozone may spike to unhealthy levels for sensitive groups, especially near Golden and Lakewood. Residents with asthma or heart/lung conditions should avoid outdoor exertion.
Wednesday heats up with highs near 93°F and mostly sunny skies. Expect dry, breezy summer conditions before storm chances return Thursday afternoon and linger into the holiday weekend.
Here’s your extended July 4th weekend forecast for Denver:
- Wednesday, July 2: Sunny, hot, high near 93°F
- Thursday, July 3: Mostly sunny, then storms possible late, high near 92°F
- Friday, July 4 (Independence Day): Isolated PM storms, otherwise hot and mostly sunny, high 89°F
- Saturday, July 5: Scattered afternoon storms, high 89°F
- Sunday, July 6: Continued storm chances, high near 90°F
