GoTriangle will run limited service from 2 to 6 p.m., running a modified Sunday schedule on Routes 100, 300, 400, 700 and 800.
GoCary and GoDurham have suspended service the rest of the day.
GoRaleigh planned to run its regular Monday service schedules. Customers should check goraleigh.org for information about possible detours.
More information about adverse weather plans can be found at gotriangle.org/weather.