After a relatively unsurprising series of primaries this month , June brings another collection of intraparty contests. More than half of the states will have selected their nominees by the end of the month. Republicans will pick nominees in key Senate races in Mississippi , Iowa and South Dakota. Down the ballot, House primaries in several open seats will likely determine the future members of Congress from both parties.
Here is Roll Call’s comprehensive look at watch to watch in June. Bookmark this page, and check out our primary map for results from past primaries. June 3 With primaries in eight states, this date marks the busiest night of the cycle.