A WINTER WEATHER ADVISORY is in effect until noon Wednesday.
Tonight: The sky will be clear for a few hours before clouds move back in by midnight. Freezing drizzle and light snow will move into eastern Iowa around 2-4 AM. The roads will become slick overnight. Allow extra travel time. Snow amounts will be less than 1” with many locations less than 0.5” along and north of Highway 20. Some freezing drizzle will be mixed in at times. From about Highway 20 to I-80 is the area that has the best chance for freezing drizzle to accumulate. A couple hundredths of an inch ice is possible. Temperatures drop into the teens and low 20s with a light east wind.
Wednesday: Freezing drizzle and light snow will taper off around 8 AM. The roads will be slick for the morning commute. Again, allow extra travel time. The wind is light in the morning, by the afternoon the wind increases from the NW with gusts to 25 mph. Temperatures warm into the upper 20s north and upper 30s south.
Wednesday Night: The sky is mostly clear. The wind gradually diminishes during the evening and becomes light overnight. It is a cold night with lows from -5 north to 5 south.
Thursday: Plenty of sunshine with a light wind and highs in the teens.
Friday: Snow begins sometime in the morning and will continue through the day. There could be a little bit of rain mixed in across southern Iowa. Still early to get specific on this storm. It will be a breezy day with highs near 30. Snow continues through the night Friday.
Saturday: Snow ends by noon. Several inches of snow are possible with this storm. Highs are near 20 and the wind is strong (gusts to 40 mph) from the northwest causing blowing and possibly drifting snow.
Sunday through Tuesday: Dry and very cold with highs in the single digits and lows from 5 to 15 below zero. Coldest morning is Tuesday morning.