What is a good group rain-cancellation policy for splash pad events?

Rain cancellation policies for group splash pad events should be set in writing well in advance. Decision rules: light rain — proceed; thunder or lightning — do not proceed (splash pad will close anyway); heavy continuous rain — cancel because cold wet weather is miserable for kids; temperatures below 70 F — cancel because pad water will be cold and many pads automatically close. Decision time: 7 AM morning of for a 10 AM event. Communication: post the call on the group's primary channel (text chain, email, Facebook group) at decision time and again at 8 AM with confirmation. Backup plans: have two prearranged options — an indoor option (children's museum, library story time, indoor playground) and an outdoor sheltered option (picnic shelter at a different park with playground). Refunds: most parks departments will issue rain-check rebookings for shelter rentals if you call within 24 hours; some will partial-refund for events where pad operation was the sole purpose. Communicate the refund situation clearly to your group and host the rain-check date when possible.