Rainy day

Rain does not have to wreck the Dells.

Build the day around one indoor anchor, then add short low-risk stops instead of driving around looking for a miracle.

Indoor waterpark first

If your resort includes a strong indoor waterpark, use it as the anchor instead of abandoning a benefit you already paid for.

Arcades, indoor amusement, museums, shows, and other weather-proof options work best when you commit to one instead of venue hopping.

Bad weather makes traffic and parking more annoying. Finish near the resort or area where you already are.