Dense Fog in San Juan River Basin, Colorado

Dense Fog February 14, 2026 · San Juan River Basin, Colorado

What the National Weather Service wrote

Areas of dense fog developed within the San Juan River Basin during the morning of February 14. The KPSO AWOS at the Stevens-Pagosa Springs Airfield reported about two hours of 1/4-mile visibility due to dense fog following several hours of light to moderate snowfall. No reports of injuries, damages, or fatalities were received.

The wider storm

Following multiple days of rain and snow showers, drier northwesterly flow on the backside of a shortwave trough brought clearer skies on the evening of February 13 into the morning of February 14. With ample surface moisture still in place from the prior days' precipitation and strong radiational cooling from clear skies, dense fog developed across many valleys.

Source: NOAA Storm Events Database, event 1315953. Narratives are written by the National Weather Service forecast office that issued the report.

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