National Weather Service United States Department of Commerce

A Wintry Mix of Precipiatation Will Cross the Great Lakes Thursday

Light to moderate precipitation will spread from the Great Lakes and Ohio Valley to the northeast and mid-Atlantic states Thursday and Friday. The unusually warm temperatures over the Great Plains will come to an end. The southwest and four corners states will become increasingly wet Thursday and Friday.
Read More...

Hazardous Weather Conditions

Current Conditions

En Español

Share |

South Williamsport PA

7 Day Forecast

For More Weather Information:

State College, PA Local Forecast Office

Today

Snow Chance for Measurable Precipitation 80%

Snow

High: 29 °F

Tonight

Snow Chance for Measurable Precipitation 100%

Snow

Low: 26 °F

Friday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 26 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 3 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 19 °F

Saturday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 6 °F

Sunday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 23 °F

Sunday
Night

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 13 °F

Monday

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: 22 °F

Detailed Forecast

  • Today Snow, mainly after 1pm. High near 29. Calm wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
  • Tonight Snow, mainly before 4am. Low around 26. South wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
  • Friday A chance of snow showers, mainly before noon. Mostly cloudy, with a high near 26. Wind chill values as low as zero. Northwest wind 10 to 18 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
  • Friday Night Partly cloudy, with a low around 3. Wind chill values as low as -8. Northwest wind 9 to 17 mph.
  • Saturday Mostly sunny, with a high near 19. Northwest wind around 7 mph becoming west in the afternoon.
  • Saturday Night Mostly cloudy, with a low around 6.
  • Sunday A chance of snow. Cloudy, with a high near 23. Chance of precipitation is 50%.
  • Sunday Night Snow likely. Cloudy, with a low around 13. Chance of precipitation is 60%.
  • Monday Snow likely. Mostly cloudy, with a high near 22. Chance of precipitation is 60%.
  • Monday Night Mostly cloudy, with a low around 0.
  • Tuesday Mostly sunny, with a high near 16.
  • Tuesday Night Partly cloudy, with a low around 2.
  • Wednesday Partly sunny, with a high near 22.