Apparently the ruling will take effect in 21 days. Also, as in Massachusetts, it is difficult to amend the Iowa Constitution. The process takes the approval of two sessions of the legislature and a vote of the people. Thus, this ruling cannot be immediately overturned by voters as folks did with Proposition 8 in California.
The office of the county attorney who defended the same-sex marriage ban has said that they will not ask for a rehearing. Meanwhile, legislative leaders in Iowa are praising the ruling and adding:
When all is said and done, we believe the only lasting question about today’s events will be why it took us so long.Law Dork summarizes the ruling.
Law Dork updates the news and includes links to other takes on the ruling.
Here's the ruling.