Welcome to Geyser Watch

An Online Field Journal - part of YellowstoneNaturalist.com

Watching water go the other way…

as well as many more not-quite-so-exciting thermal features of Yellowstone.

Take a virtual walk

on the boardwalks around Old Faithful Geyser and Geyser Hill.

Start the Tour

THE LATEST NEWS:

(updated on 10 June 2016)

  • Fan and Mortar Geyser is still active about every 6(ish) days – 5 to 9 days is the recent range.
  • A small unnamed geyser next to Green Spring at Black Sand Basin (Also Known as BSB-2) is active this spring, but isn’t being reported very often right now.
  • Mugwump Geyser is active – located in Three Sister’s Spring.

If you do witness a rare eruption, I’d also like to hear from you.

News from Yellowstone Naturalist:

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    NOAA Weather

    Yellowstone Lake, WY

    Last Updated on Dec 10 2016, 12:56 am MST

    Current Conditions:

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    Temp: 26°F

    Wind: Variable at 4mph

    Humidity: 88%

    Windchill: 20°F

    Your 5-Day Forecast at a Glance

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