National Weather Service United States Department of Commerce

Active weather pattern Sunday brings threat of wintry weather to several parts of U.S

A few areas of active weather are expected on Sunday. The first will be in the Southwest, where locally heavy rain and mountain snow are possible from California to the Rockies. Farther east, wintry weather is possible over a large portion of the country. Numerous Winter Weather Advisories and a few Winter Storm Warnings are in effect from the southern Plains to New England.
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Current Conditions

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South Williamsport PA

7 Day Forecast

For More Weather Information:

State College, PA Local Forecast Office

This
Afternoon

Snow Chance for Measurable Precipitation 90%

Snow

High: 28 °F

Tonight

Snow Chance for Measurable Precipitation 80%

Snow

Low: 27 °F

Monday

Mostly Cloudy

Mostly
Cloudy

High: 33 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 9 °F

Tuesday

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

High: 32 °F

Tuesday
Night

Freezing Rain Chance for Measurable Precipitation 80%

Freezing Rain

Low: 30 °F

Wednesday

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

High: 45 °F

Wednesday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 23 °F

Thursday

Mostly Cloudy

Mostly
Cloudy

High: 31 °F

Detailed Forecast

  • This Afternoon Snow. High near 28. South wind around 6 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.
  • Tonight Occasional snow showers, mainly before 1am. Low around 27. Calm wind becoming west 5 to 7 mph after midnight. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
  • Monday Mostly cloudy, with a high near 33. West wind 11 to 17 mph, with gusts as high as 24 mph.
  • Monday Night Partly cloudy, with a low around 9. Northwest wind 5 to 10 mph becoming light after midnight.
  • Tuesday Snow likely after 1pm. Cloudy, with a high near 32. Light and variable wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 70%.
  • Tuesday Night Occasional rain or freezing rain, becoming all rain after 1am. Low around 30. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
  • Wednesday Showers likely. Cloudy, with a high near 45. Chance of precipitation is 60%.
  • Wednesday Night A chance of snow. Cloudy, with a low around 23. Chance of precipitation is 30%.
  • Thursday Mostly cloudy, with a high near 31.
  • Thursday Night Partly cloudy, with a low around 7.
  • Friday Mostly sunny, with a high near 29.
  • Friday Night Partly cloudy, with a low around 14.
  • Saturday Mostly sunny, with a high near 39.