We are headed to Yellowstone in a few weeks. In the meantime I have been routinely checking in on Old Faithful. The Park Service website https://www.nps.gov/yell/learn/photosmultimedia/webcams.htm has a number of static webcams around the park that update every 30 secs. and one live streaming webcam that covers a number of geysers and fumaroles, including Old Faithful, in the Upper Geyser Basin. A bit below the Old Faithful shot on the webpage is an eruption predictor that has been pretty accurate (+ / - 10 min.).
After yesterday's cloudy skies and snow, this morning was beautiful- the sky is blue, not a cloud in sight, and the temperature, a crisp 5° F! 
I just caught the 9:13 am (CMT) eruption. There were a few but not many spectators! A bit early and a bit too nippy? The eruption is winding down in the screen capture below. A kid must be at the webcam controls, because the scene keeps jumping around.
