Snow will be locally heavy at times, with snowfall rates of 1.0 to 1.5 inches per hour Monday evening.
The accumulating snow will taper off from west to east between 1-3 a.m. Tuesday. Storm snow totals will be 4-8 inches across all of eastern Iowa.
The low is forecast to track across southern Iowa tonight. Once the low is east of the state Tuesday morning, the wind will increase.
A 5-15 mph wind is expected overnight Monday into Tuesday.
Blowing snow doesn't become a major problem until after 7 a.m. Tuesday, as the gusts will be near 35 mph during the day.
Wind chills Tuesday will be 10-20 below zero and drop to 30-40 below Tuesday night.
Wednesday is going to be VERY COLD. High temperatures will be near -6, with a wind chill during the day of 20-35 below zero.