I copied this from the MOJAM Facebook page, since some/a lot of folks don't do facebook (me included), but the MOJAM page is public so you can see it w/o being a member of facebook.
MO-Jam 2020
As of today (5-10-2020), MO-Jam is still a go. The park has shut everything down through June 7. They will re-evaluate the situation at the next board meeting, the first week of June. We hope we will have a solid answer then.
Until then, stay safe and healthy.
Thanks.