Winter Weather Advisory in effect for Philadelphia Monday; 2-5 inches of snow possible in the city

A significant winter storm is on the way, set to impact the Delaware Valley with its first measurable snowfall of the season.

A Winter Weather Advisory goes into effect for Philadelphia at 1 a.m. Monday, while a Winter Storm Warning impacting much of South Jersey and Delaware also goes into effect early tomorrow morning.

ALERTS

Winter Weather Advisory

When: 1 a.m. until 10 a.m. Monday

Where: Northwest Burlington County, Ocean County, western Chester County, eastern Montgomery County, Philadelphia

What: Accumulating snow across the area. 2-5 inches of snow possible in Philadelphia, 2-4 inches likely in the suburbs

Impacts: Snow-covered roads, treacherous to dangerous and long morning commute, some school closings likely, air travel and rail disruptions, need to plow or shovel.

Winter Storm Warning

When: 1 a.m. Monday until 1 a.m. Tuesday

Where: New Castle County, Cape May, Cumberland County, Salem County, Atlantic County

What: Accumulating snow across the area, most likely 4-7 inches in South Jersey; 6-9 inches possible at the shore and Delaware

CURRENT TIMING

• 3-5 a.m.: Snow develops across southern Delaware, Cape May and Cumberland counties 
• 5-7 a.m.: Snow spreads across Philadelphia, I-95 corridor, Pennsylvania counties, all of Delaware, and South Jersey. **Lehigh Valley, Berks, Poconos, upper Buck and upper Montgomery counties see very little accumulating snow.
• 7-11 a.m.: Steady snow over Philadelphia and I-95 corridor. **Bands of heavy snow from central Delaware to Atlantic City.
• 11 a.m.-1 p.m.: Snow slowly tapers off across Philadelphia and Southeast Pennsylvania. **Steady snow continues over Delaware and South Jersey. 
• 1 p.m.- 3 p.m.: Snow tapers off across the entire area. 
• 3 p.m.- 9 p.m.: Winds increase and there will be blowing and drifting snow. Possible visibility issues. 
• 9 p.m. -Midnight: Trailing batch of snow crosses Delaware and South Jersey.

**Everything stays frozen or re-freezes. Stairways, stoops, walkways, and roads will be very slippery.

SNOW TOTALS

• 5-9″ band of heaviest snow across the southern half of Delaware and through Cape May, Atlantic, and Cumberland counties in South Jersey. **Toward the end of the snowfall there may be some mixing over southern Delaware and far South Jersey.
• 3-5″ band over Lower Chester County in Pennsylvania, New Castle County in Delaware. Salem. Eastern Gloucester and Atlantic counties in South Jersey.

• 2-4″ band over Chester, Delaware, all or half of Philadelphia, and lower Mongomery counties in Pennsylvania. Upper Gloucester, Camden, and Burlington counties in South Jersey.

• 1-3″ band over Berks, upper Montgomery, western Burlington counties.

• Trace to 1″ band over Bucks, Lehigh Valley, Mercer and Poconos. This will be the area with little snow.

**If track shifts north the bands and totals will shift more northward.

**If track shifts farther south the bands and totals will shift southward.

**This will be a lighter snow. Good for snowmen and snowball fights.

SUNDAY

• Mostly sunny, cold, and windy. High 34 (wind chill in the 20s)

EXTENDED FORECAST

• Dry Tuesday-Friday. Watching another possible storm for next weekend.

**Cold pattern continues through mid-late January with 30s for daytime highs and 20s for overnight lows.

Here’s your 7-day forecast:

Sunday: Blustery Day. High 35, Low 23.

Monday: NEXT Alert: snow. High 30, Low 27.

Tuesday: Windy and frigid. High 32, Low 21.

Wednesday: Partly cloudy. High 34, Low 25.

Thursday: Mostly sunny. High 36, Low 21.

Friday: Mostly sunny. High 38, Low 22.

Saturday: Partly cloudy. High 38, Low 27.

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