National Weather Service United States Department of Commerce

Severe Weather Continues Today Across the Eastern U.S.; Very Wet in Hawaii

Severe thunderstorms continue ahead of a cold front stretching from the Deep South to the Mid-Atlantic and Northeast. Damaging winds will be the greatest threat from these storms, although, isolated tornadoes will be possible. Storms may also produce large hail and flash flooding. In the Pacific, a strong trough is bringing very heavy rainfall and the potential for flash flooding to Hawaii. Read More >

Weather Data
Past Weather Data

SnowfallPast Snowfall

 Past Holiday Weather Conditions:

Harrisburg Williamsport
New Years Day Harrisburg Williamsport
PA Farm Show Weeks Day-By-Day Weather for 1917-Present
Normals and Extremes during Farm Show Weeks
Easter Day Harrisburg Williamsport
July 4th
(Independence Day)
Harrisburg Williamsport
Thanksgiving Day Harrisburg Williamsport
Christmas Day Harrisburg Williamsport


 Sunrise Sunset Times:

Sunrise/set times from the US Naval Observatory


Normal Dates of Last Freeze in Spring and First Freeze in Autumn

Seasonal Snowfall Maps

Flood Climatology for Susquehanna Basins

Past Daily Weather Maps On-line (from NWS WPC)


All NWS State College Text Statements/Forecasts: