Dangerous wind chills are forecast in the Madison area both Wednesday night and Thursday night, before temperatures start to moderate and get back to normal readings by Sunday.
The National Weather Service said wind chill values could drop to the 15-20 below range in the overnight hours heading into Thursday and Friday.
A wind chill advisory is issued when values are forecast to drop to 20 below.
Following snow showers Wednesday morning that made for some slippery driving conditions, clouds are expected to clear to sunshine with a high of 11.
27 Storm Track meteorologist Branden Borremans said highs on Thursday and Friday won't get out of single digits, with lows in the single digits below zero Wednesday, Thursday and Friday nights.
Sunshine will dominate the sky every day through Saturday, before clouds move in Saturday night.
Saturday's high of 15 could be doubled to 30 on Sunday, with light snow possible Saturday night into Sunday night.
Madison should see clouds and 28 on Monday but temperatures will drop on Tuesday with a high of 14 under sunny skies, Borremans said.
Sunshine and a high in the upper teens is forecast for next Wednesday.
Tuesday's high in Madison was 10, 17 degrees below normal and 43 degrees below the record high of 53 for Jan. 2, set in 1897.
The low on Tuesday was 7 below, 19 degrees below normal and 15 degrees above the record low of 22 below for the date, set in 1879.
The precipitation gauge at the airport recorded the first measurable snow of 2018, with 0.1 inches falling on Tuesday.
The record snowfall on Jan. 2 was 10.2 inches in 1999.
The snow amounted to a trace of precipitation. The record precipitation (rain and melted snow) on Jan. 2 was 1.74 inches in 1876.
Madison has received 0.73 inches of precipitation during the meteorological winter of December through February, 1.09 inches below normal.
The winter snowfall total is at 3.8 inches, 10.5 inches below normal, and the snow season (July-June) total is at 4.1 inches, 14.3 inches below normal.