Denver hits 100 degrees for the first time this year

On July 9, 2025, Denver, Colorado was recorded at 100 degrees, marking the first time this year that temperatures reached triple digits. The reading was noted just before 4 p.m. at the National Weather Service monitoring station located in Denver International Airport, matching a previous high temperature record set in 2022 for the same date. The day was designated a First Alert Weather Day due to elevated temperatures encompassing the entire state, which prompted a heat advisory until 9 p.m. that evening. In addition to the record-high afternoon temperature, Thursday morning saw broken records in overnight lows. The low temperature at DIA registered at 73 degrees, surpassing the former record for warm morning temperatures. Strong winds from the east contributed to an unusually warm start for the Front Range areas. Just prior to this warm spell, thunderstorms rolled through the eastern parts of Denver, delivering wind gusts reaching up to 70 mph. More thunderstorms were anticipated later in the day, raising concerns about wind speeds hitting 60 to 65 mph. Looking ahead to the following days, temperatures were expected to decline slightly, with Thursday's highs projected to be in the mid-90s. A cold front was predicted to pass through, bringing Friday's temperatures down into the mid-80s, alongside increased chances of thunderstorms. The I-25 corridor and much of the Eastern plains were under a Level 1 marginal threat for severe weather, escalating to a Level 2 slight risk in southeastern Colorado. This shift in weather patterns highlights the volatility and unpredictability associated with summer weather in the region. The extreme heat and variations in daily temperatures underscore the challenges residents face with climate variability. As summer temperatures continue to rise, understanding weather patterns is crucial for public safety and preparedness. The unusual warmth observed this week serves as a clear reminder of the need to remain vigilant against heat-related hazards, particularly during periods of severe weather forecasts. The combination of high temperatures and the likelihood of thunderstorms necessitates readiness among residents, ensuring that safety measures are taken seriously.