The first day of meteorological winter, which runs from Dec. 1 to Feb. 28, will get your attention with highs more typical of the heart of the season. Temperatures zip back up to mild levels by Saturday but showers dampen much of the day.

The first day of meteorological winter, which runs from Dec. 1 to Feb. 28, will get your attention with highs more typical of the heart of the season. Temperatures zip back up to mild levels by Saturday but showers dampen much of the day.