Updates (see original forecast below)-
Thunderstorms have developed along the foothills to the west of Boulder and Longmont. Storms look to be intensifying quickly and one report of pea-sized hail has already been made from the storm northwest of Nederland.

Thunderstorm Position and Intensity at 4:45pm
THIS AFTERNOON’S THUNDERSTORM FORECAST-
A few thunderstorms are in the forecast for this afternoon and evening!
Denver will see a few thunderstorms, but severe storm development should stay far to the east/northeast of the metro area. Thunderstorms should begin to build around town over the next couple hours and will move to the northeast fairly quickly.

Expected Storm Position and Intensity at 8pm from 20Z HRRR Model Run
Severe Storm Risk- Current models are showing severe storms developing east of DIA and E-470 (picture) with storms continuing to develop and eventually tracking along I-76. Threats from these storms will be large hail, damaging winds, and possibly a tornado.
As always, feel free to ask any questions that you might have.