Here’s what time snow is supposed to start falling in central Pa.

After a chance of rain and mild temperatures today, the Harrisburg area is expected to get significant snow on Sunday. It could fall as fast as an inch an hour at some points on Sunday afternoon, the National Weather Service warns.

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Central Pennsylvania, including Dauphin, Cumberland, Perry, York and Lancaster counties, is under a winter storm watch from 7 a.m. to 9 p.m. Sunday. Anywhere from 3 to 7 inches of heavy snow is forecast, the weather service says, and travel could be problematic.

Snow is expected to start around 7 a.m., according to Accuweather, and continue into the night. The Weather Channel is predicting a shorter timeframe for snow showers: from around 11 a.m. to 5 p.m.

Most schoolchildren won’t have to worry about a snow day Monday, the Martin Luther King Jr. holiday. It’ll be sunny but very cold. The start of the week will be bitterly cold, with highs in the low 20s and lows in the single digits.

Live radar over Pennsylvania:

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The forecast for the next few days in central Pennsylvania:

• Today: Rain possible. High 41, low 30.
• Sunday: Snow. High 31, low 13.
• Monday: Sunny. High 23, low 4.
• Tuesday: Partly sunny. High 21, low 5.