TFRs (Temporary Flight Restrictions) and Hot SUAs (Hot Special Use (Restricted)Airspace)

Visible Clouds Satellite

RADAR Loops: WEATHER.COM, ACCUWEATHER or NWS RADAR

NWS RADAR

NWS Java WX Tool

Weather at a Glance

AOPA Weather

DUATS

AWOS's for Pennsylvania

TAFs (Need Java?)

Accu Weather

National Weather Service

AIRNAV