When Boulder's hail season peaks, why the Front Range is North America's hail capital, where hail hits hardest near Boulder, and how to protect cars, roofs, and gardens.

The meteorology behind Colorado's Marshall Fire of December 30, 2021 — hurricane-force downslope winds, extreme drought, single-digit humidity, and what the red-flag setup teaches Boulder County residents.

When is it safe to hike the Flatirons above Chautauqua? A weather guide to afternoon lightning, sun and heat at elevation, seasonal trail conditions, and reading Boulder's foothills before you go.

When wildfire smoke degrades Boulder's air quality, how to read the AQI, where the smoke comes from, and how elevation and the foothills shape exposure across Boulder neighborhoods.

At 5,430 feet, Boulder's UV exposure runs higher than most US cities. Why altitude, thin air, and snow drive the UV Index to 10+ here, and how to read it season by season.

Twenty Ninth Street is Boulder's open-air mall, so the weather is part of the trip. A season-by-season guide to summer heat and thunderstorms, winter wind and cold, and the best shoulder-season windows.

Why Boulder bans every backyard firework, what July 4th weather brings, and how Stage 1 fire restrictions and dry-grass season shape the Front Range holiday.

Tube to Work Day floats Boulder Creek on June 26, 2026 at peak snowmelt. How to read the flow in CFS, gauge the cold water, and make the Class III safety call.

How Chinook winds form along Colorado's Front Range and why Boulder experiences temperature swings of 60°F or more within 24 hours during foehn events.

Why Boulder's weather differs from Denver's despite the 12 miles between them — elevation, foothills proximity, snowfall, freeze dates, and wind exposure compared.