All the ingredients are coming together for Sunday’s winter storm. In the meantime, a brief warm up, and a smaller, weaker snow system will move in Friday night and Saturday. A Winter Storm Watch is in place for all of central Indiana. The Watch will likely be upgraded to a Winter Storm Warning bu Saturday.
Mostly clear and slightly warmer. High temperatures will top out around 30 degrees. Partly cloudy skies with clouds on the increase through evening.
Light snow possible. Less than an inch of snow accumulation is expected. Low around 28.
Slightly warmer. Highs in the mid to upper 30s. Mostly cloudy skies. Snow showers may begin late Saturday evening and continue overnight. Some sleet may mix in.
Snow will be likely for most of the day. Our big winter system is expected to arrive in 2 waves. The first wave will arrive from Sunday morning and continue through early afternoon. Snow accumulation is expected but some sleet may mix in, especially south of Indianapolis. Highs in the upper 20s with lows around 10 degrees. Winds will be brisk, around 10 to 20 mph.
The second wave arrive late Sunday evening and heavier snow is likely. Almost all locations will switch to all snow by Sunday night and snow will continue through early Monday morning.
Snow totals of 6 to 10 inches are likely, with some locally higher totals up to 12″. Areas south of Indianapolis will have slightly lower totals of 4 to 8 inches, due to some sleet mixing in with the snow.
Some linger snow showers should wrap up Monday morning. Temperatures will likely continue to drop throughout the day. Highs in the low 20s with lows around 5 degrees.
Partly cloudy skies will continue for most of next week, and despite the very cold temperatures, gradual warming will ensue for the end f the week and weekend. Highs will move from the 20s to 40s. Overnight lows will warm from the single digits to the upper 20s.