The warnings are issued by the NWS "when a significant combination of hazardous winter weather is occurring or imminent." ...

Snow can disrupt travel and lead to hazardous driving conditions. Freezing temperatures may present health risks, especially ...

Wednesday: Snow likely through the day, with highest accumulation in southern Iowa. High around 16F. Winds NE at 10 to 15 mph ...

The City of Des Moines is asking drivers to stay off the roads, if at all possible, until plows clear the snow.