Will the dog park be open tonight, coming from out of town would like to let my dogs out to play before going to the hotel.

It's open until sun down, even on holidays.

Yes, it's open until 9 or 10PM. And even though the hours are posted, you can still access the park. The gates are not locked. SWIM but looks almost identical, with the exact same breed & size of dog, & drives the same make/model/year/color of vehicle regularly takes his dog there after the posted closing time when he doesn't make it home from work in time. Just for a half hour or so & not a regular thing. This person thinks worst case, the Draper PD will just point out the closing time & politely ask me, whoops I meant SWIM, to leave.