Predictions are shown in Mountain Time.
Eruptions cannot be predicted with absolute certainty and estimates are derived from user reports.
GeyserPrediction
GrandGeyserTimes 23:11 ± 1 hour
CastleGeyserTimes Apr 13 @ 10:28 ± 1 hour
DaisyGeyserTimes 22:00 ± 15 minutes
RiversideGeyserTimes Apr 13 @ 02:31 ± 25 minutes

Predictions courtesy of:

GeyserTimes GeyserTimes
NPS National Park Service

(*) Prediction derived from double interval