Denver, Colorado — An unseasonable surge of early-season heat will build across Colorado starting Friday, May 8, pushing temperatures well above normal and increasing risks for travel and outdoor exposure across Denver, Colorado Springs, Fort Collins, Pueblo, and Grand Junction.
According to NOAA’s Climate Prediction Center, temperatures will trend 70–80% above normal through May 14, with the most intense heat arriving Friday afternoon. The peak window runs from 1 p.m. to 7 p.m. Friday and Saturday, when lower elevations and urban corridors heat rapidly under strengthening high pressure.
That heat will translate into immediate impacts. Road surfaces along I-25 and I-70 will heat up during peak afternoon hours, increasing stress on vehicles and raising the risk of tire failures, especially on long grades and mountain approaches. In urban areas like Denver and Colorado Springs, heat buildup on pavement and buildings will push surface temperatures significantly higher.
Limited overnight cooling will add to the strain, particularly along the Front Range where temperatures remain elevated after sunset, reducing relief and increasing exposure risk for outdoor workers and those without reliable cooling.
Dry air combined with heat may also elevate fire risk across western Colorado, especially near Grand Junction and Pueblo where vegetation can dry quickly under sustained warmth.
This is part of a broader expansion of high pressure pushing unseasonable heat across much of the western United States during this period.
Residents should limit outdoor activity during peak afternoon hours, stay hydrated, and avoid prolonged sun exposure. Drivers should check vehicles before extended travel and remain alert for heat-related issues on highways.
The highest risk for heat-related impacts will occur each afternoon between 1 p.m. and 7 p.m. Friday through Sunday.
