National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. on Saturday

Another Pacific system will impact the West Coast today. Heavy rainfall could lead to flash flooding, river and small stream flooding as well as mudslides and debris flows, especially over burn scars. Strong winds and heavy elevation 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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Mount Oliver PA

7 Day Forecast

For More Weather Information:

Pittsburgh, PA Local Forecast Office

This
Afternoon

Cloudy

Cloudy

High: 30 °F

Tonight

Cloudy

Cloudy

Low: 25 °F

Sunday

Mostly Cloudy

Mostly
Cloudy

High: 38 °F

Sunday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 28 °F

Monday

Mostly Cloudy

Mostly
Cloudy

High: 46 °F

Monday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 39 °F

Tuesday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 56 °F

Tuesday
Night

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

Low: 45 °F

Wednesday

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

High: 52 °F

Detailed Forecast

  • This Afternoon Cloudy, with a high near 30. Calm wind.
  • Tonight Cloudy, with a low around 25. Calm wind.
  • Sunday Mostly cloudy, with a high near 38. Light west wind.
  • Sunday Night Mostly cloudy, with a low around 28. East wind 3 to 6 mph.
  • Monday Mostly cloudy, with a high near 46. Southeast wind 7 to 11 mph.
  • Monday Night A slight chance of showers after 10pm. Cloudy, with a low around 39. Chance of precipitation is 20%.
  • Tuesday A chance of showers after 4pm. Cloudy, with a high near 56. Chance of precipitation is 30%.
  • Tuesday Night Rain likely. Cloudy, with a low around 45. Chance of precipitation is 70%.
  • Wednesday Rain likely. Cloudy, with a high near 52. Chance of precipitation is 70%.
  • Wednesday Night A chance of rain and snow showers. Cloudy, with a low around 34. Chance of precipitation is 50%.
  • Christmas Day A chance of snow showers. Cloudy, with a high near 35. Windy. Chance of precipitation is 30%.
  • Thursday Night Mostly cloudy, with a low around 29. Breezy.
  • Friday Mostly cloudy, with a high near 41.