Weather Conditions in Yellowstone: Geyser Fog Observed
Weather Conditions in Yellowstone: Geyser Fog Observed
US · Published Jan 25, 2026
Geyser fog in Yellowstone occurs when hot steam from geysers condenses in cooler air, reducing visibility.
The phenomenon is more common in cooler months due to the greater temperature difference between steam and air.
Visitors should exercise caution in geyser fog, staying on marked paths and monitoring weather forecasts.
Geyser fog: A unique Yellowstone phenomenon
Recent observations in Yellowstone National Park have highlighted a unique weather phenomenon: geyser fog. This occurs when the hot steam emitted from Yellowstone's geysers meets the cooler ambient air, causing rapid condensation and the formation of a dense fog. This fog can significantly reduce visibility, posing challenges for both navigation and sightseeing within the park.
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