UPDATED WEATHER ALERT: Bucks County's Hour-by-Hour Forecast of 'Steady, Accumulating' Snow

The snow is coming down and will likely keep falling in Bucks County until about 7 p.m., the National Weather Service said. Snowfall could be heavy at times through the afternoon.

Expect temperatures below zero overnight as winds pick up, forecasters say.

Snow accumulation predictions range from a total of 4 to 8 inches throughout the Philadelphia region, with the heaviest amounts along the I-95 corridor, according to forecasters with NBC10.

Numerous accidents were reported throughout the Philadelphia area. Click here to find out more.

PennDOT is urging motorists to avoid unnecessary travel and has reduced speed limits to 45 mph on several highways in the Philadelphia region, including:

• Interstates 76, 95, 476, 676
• U.S. Routes 1, 30, 202, 422
• State Routes 63, 100 Spur and 309.

Here’s an hour by hour forecast for the region:

Thursday afternoon: Snow, heavy at times

Thursday evening: Snow tapers off but continues to fall lightly

Thursday night: Snow ends, skies will clear overnight. It will get cold, with lows in the single digits

Here’s a look at the weather over the next three days:

Friday: Sunny, with a high near 26. Wind chill values as low as -5.

Friday night: Mostly clear, with a low around 8.

Saturday: Mostly sunny, with a high near 35.

Saturday night: Mostly cloudy, with a low around 22.

Sunday: Partly sunny, with a high near 40.

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