Philadelphia

Heavy Rain, Temperature Drop, Wintry Mix and Snow Expected This Week

After a warm and rainy Tuesday, we'll see a big drop in temperatures and a wintry mix over the weekend.

After a rainy and warm Tuesday we’re in for a big drop in temperatures and possible snow over the weekend. NBC10 First Alert Weather chief meteorologist Tammie Souza has the forecast.

Get ready for a roller-coaster week of weather; first the warm, then the cold. An unseasonably warm day Tuesday, but it won’t last. By the weekend we’ll get a real taste of winter-like cold and even a chance of a wintry mix coming in over the weekend.

Tuesday will be cloudy all day, but thanks to a warm southerly flow, temperatures rise into the low 60s in the afternoon. Rain moving ahead of a cold front will cross the entire area later in the afternoon and night.

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The passage of the cold front will usher in an extended period of unseasonably cold weather.
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Thanks to falling temperatures overnight, Supermoon fans saw the moon through areas of thick fog Monday morning.
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This view from the Comcast Center in Center City showed the fog beginning to dissipate during the morning.
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Skies will be sunny for the balance of Monday, warming us above the normal high temperature of 49 degrees.
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After reaching into the 50s Monday afternoon, clouds return Monday night, helping to keep temperatures in the 40s.
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The sun takes a break Tuesday. We'll start the day with temperatures in the 40s and 50s and some scattered light rain showers.
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In spite of the clouds and showers, a southerly flow will lead to quite a warm-up Tuesday.
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Temperatures will warm to near 60 degrees late in the day Tuesday, with some areas of rain.
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The warmest air will come through during the evening just before a cold front sweeps through the region. Steady rain and some heavier downpours will accompany the front.
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The passage of the cold front will usher in an extended period of unseasonably cold weather.
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It will be cold enough at the end of the week for snow and with a system off the East Coast, some snow showers are a possibility as we head into the weekend.
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Snow or not, it's likely to turn even colder next week.

The warm temperatures won’t last long, however. A sharp cold front will pass our area early Wednesday morning and temperatures will fall into the 40s with skies clearing in the afternoon.

Wednesday’s cold air will stick around for another 10 to 14 days with highs in the 30s and 40s, well below the average. 

By Friday night, we could see snow flurries or light snow showers while a wintry mix of rain and snow is possible later Saturday.

"There is a chance of some flurries Friday evening, maybe even some light snow showers," NBC10 First Alert Weather meteorologist Bill Henley said. "A dusting at the most in the few neighborhoods that will see it. It's not a big storm system for Friday and we may not see any of that Friday."

On Saturday points south and east of Philadelphia could be more likely to see wet weather.

"Late in the day there is a chance we will some showers, rain and snow showers are possible," Bill said. "But if temperatures are above freezing we are not looking into much, in terms of accumulation, if anything."

A chance of flurries early Sunday morning, then conditions will clear with temperatures in the upper 30s.

Back to the 40s Monday and next Tuesday, then after that, you’ll need to bundle up even more. We’re in for an even colder Arctic blast late next week with morning temperatures in the teens and 20s and highs only in the 30s. Stay with the NBC10 First Alert Weather team to get the latest updates.  

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