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.
Flight conditions near Lyons. Data source: locating…
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.
Live animated radar for Lyons and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Lyons, Boulder County, Colorado |
| Coordinates | 40.224708°N, 105.271378°W |
| Timezone | Mountain Time (America/Denver) |
| ZIP Code(s) | 80540 |
| Area Code | 303, 720 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Lyons, Colorado Weather Page
This page provides live weather conditions and forecasts for Lyons, Colorado, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Lyons includes coordinates 40.224708°N, 105.271378°W, situated in Boulder County. ZIP code 80540. Telephone area code: 303, 720. Timezone: Mountain Time (America/Denver).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.
