Enter your search query in the box below.

Lyons, Colorado Weather

Lyons, Colorado — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for Lyons, Boulder County.

🌡️ Current Conditions
Loading current conditions…
24-Hour Forecast
Loading hourly forecast…
Current Conditions Detail
Loading detail…
7-Day Forecast
Loading 7-day forecast…
✈️ Aviation Weather

Flight conditions near Lyons — sourced from the FAA Aviation Weather Center. Nearest reporting station: locating…

Loading aviation data…
🌿 Air Quality
Loading air quality data…
NWS Extended Forecast
Loading NWS forecast…
📡 Precipitation Radar

Live animated radar for Lyons and surroundings — RainViewer.

Loading radar…
🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

🌙 Astronomy
Calculating…

About Lyons, Colorado

Lyons unfolds at the confluence of two rushing rivers, the Big Thompson and the South St. Vrain Creek, where the foothills of the Rocky Mountains begin their dramatic ascent. It lies 9.8 miles west-north-west of Longmont, CO (from Longmont, CO: bearing 294°T), and is situated 9.9 miles north-north-west of Niwot. The landscape here is a study in contrasts: sun-baked plains give way to the cool, pine-scented air of the mountains, their jagged peaks often dusted with snow even in the warmer months. Cottonwood trees, their leaves a vibrant green in spring and a blazing gold in autumn, line the riverbanks, their roots anchoring the earth against the powerful currents. The sky above Lyons is a vast canvas, often a brilliant, impossible blue, but capable of darkening with sudden, dramatic thunderstorms that sweep down from the high country, leaving the air cleansed and the scent of ozone lingering. The character of Lyons is deeply tied to its history as a gateway to the Rockies and its early days as a quarry town. For decades, the distinctive pink granite quarried from the surrounding hills was shipped across the country, forming the foundations of buildings and monuments. Though the quarries are largely silent now, the legacy of that hard-won industry still hums beneath the surface, a quiet testament to the resilience of the people who settled this rugged land. Today, Lyons thrives on a different kind of energy, a blend of outdoor recreation and a burgeoning arts scene, drawing musicians, artists, and adventurers to its welcoming embrace. The pace of life here feels attuned to the rhythm of the rivers, a gentle flow that encourages a deep appreciation for the raw, untamed beauty of its mountain setting.

LocationLyons, Boulder County, Colorado
Coordinates40.224708°N, 105.271378°W
TimezoneMountain Time (America/Denver)
ZIP Code(s)80540
Area Code303, 720
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service