(Des Moines) The intense push of cold air sweeping through the state sent temperatures plummeting late last week and may be here to stay for a while.
BrookeHagenhoff, with the National Weather Service in Des Moines, says there is a slight signal in the long-range forecast for some moderating temperatures.
The average high for this time of year is 40 degrees; the average low is 28 degrees.
