You know a storm is bad when it knocks out the National Weather Service's communications.
The Des Moines office of the NWS has lost all phone communications and has had weather radio broadcasts knocked out for much of the state. That includes the Ottumwa and Lake Rathbun signals.
Officials have not given a time when they believe service will resume and are encouraging people to use alternate means of monitoring weather alerts.
The blizzard hitting Iowa saw its track shift north from what forecasters had expected less than 24 hours before, with snowfall totals near Des Moines among the highest in the state.
A blizzard warning is in effect until 6 p.m. Travel is not advised throughout most of Iowa, including southeast Iowa.