More Weather (and not the good kind)

The two words we don't want to hear anymore in Wisconsin — polar vortex — are being used this week once again.

The cold air mass that usually hangs closer to the Arctic is plunging south, putting Wisconsin and a good part of the eastern U.S. into frigid temperatures at least through Sunday.

Temperatures will be about 20 degrees colder than normal. Highs in Madison for the last week of February are in the mid-30s and lows are in the upper teens.

About the only good thing in the National Weather Service forecast is that there should be plenty of sunshine and very little snow.

The day-to-day outlook in Madison:

• Monday night: A 30 percent chance of snow before 2 a.m. Tuesday, low around 6, wind chills in the 0 to 5 below range.
• Tuesday: Mostly sunny, high near 15.
• Tuesday night: Partly cloudy, low around 11 below, wind chills in the 0 to 10 below range.
• Wednesday: Mostly sunny and cold, high near 8. Winds 10 to 20 miles per hour with gusts up to 30 mph.
• Wednesday night: Mostly clear, low around 3 below.
• Thursday: Sunny and cold, high near 7.
• Thursday night: Partly cloudy, low around 12 below.
• Friday: A 20 percent chance of snow, partly sunny, high near 11.
• Friday night: Mostly cloudy, low around 4 below.
• Saturday: Partly sunny, high near 12.
• Saturday night: A 20 percent chance of snow, mostly cloudy, low around 2 below.
• Sunday: A 30 percent chance of snow, mostly cloudy, high near 15.