National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. this weekend

A Pacific storm system will continue to impact the Pacific Northwest through late Sunday. Heavy rainfall could lead to flash flooding, river and small stream flooding, as well as mudslides and debris flows, especially over burn scars. At higher elevations, strong winds and heavy snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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Current Conditions

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Philadelphia PA

7 Day Forecast

For More Weather Information:

Philadelphia, PA Local Forecast Office

Tonight

Partly Cloudy

Partly
Cloudy

Low: -2 °C

Monday

Chance Rain/Sleet Chance for Measurable Precipitation 40%

Chance
Rain/Sleet

High: 4 °C

Monday
Night

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

Low: 3 °C

Tuesday

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

High: 11 °C

Tuesday
Night

Rain Chance for Measurable Precipitation 90%

Rain

Low: 9 °C

Wednesday

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

High: 17 °C

Wednesday
Night

Heavy Rain Chance for Measurable Precipitation 90%

Heavy
Rain

Low: 7 °C

Christmas
Day

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 11 °C

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 2 °C

Detailed Forecast

  • Tonight Partly cloudy, with a low around -2. Calm wind.
  • Monday A slight chance of rain and sleet before noon, then a chance of rain. Increasing clouds, with a high near 4. Northeast wind 8 to 10 km/h. Chance of precipitation is 40%. Little or no sleet accumulation expected.
  • Monday Night A chance of rain. Cloudy, with a low around 3. East wind around 11 km/h. Chance of precipitation is 50%. New precipitation amounts between 2.5 and 5 mm possible.
  • Tuesday A chance of rain. Cloudy, with a high near 11. East wind around 11 km/h. Chance of precipitation is 50%. New precipitation amounts between 1 and 2.5 mm possible.
  • Tuesday Night Rain. Low around 9. East wind around 11 km/h. Chance of precipitation is 90%. New precipitation amounts between 5 and 7.5 mm possible.
  • Wednesday Rain. The rain could be heavy at times. High near 17. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 cm possible.
  • Wednesday Night Rain. The rain could be heavy at times. Low around 7. Chance of precipitation is 90%.
  • Christmas Day A chance of showers. Partly sunny, with a high near 11. Chance of precipitation is 30%.
  • Thursday Night Partly cloudy, with a low around 2.
  • Friday Mostly sunny, with a high near 9.
  • Friday Night Partly cloudy, with a low around 3.
  • Saturday Mostly sunny, with a high near 9.
  • Saturday Night Partly cloudy, with a low around 1.
  • Sunday Mostly sunny, with a high near 4.