Weather links for Swarthmore:

Clear sky clock for Widener University (Chester, PA; how to read this):

The Clear Sky Clock graphic above uses models from Environment Canada.
Here is the cloud forecast for tonight.
Click the "Play" button to run the animation.
The number with a "Z" in the header of each frame is the UTC, e.g. "22Z" means 22:00 UTC, which is 18:00 EDT / 17:00 EST.

Cloud models for the next twelve hours from UCAR.
(Times are in Universal time [essentially GMT] so to get our local time, subtract 5 hours during standard time, 4 hours during daylight savings time.)

National Weather Service forecast:

Animated Doppler radar.

Satellite IR loop for BWI (or this non-java version).

Satellite visible loop for BWI (or non-java version).

Latest visible image.

Latest infrared image.

Radar from Mt. Holly, NJ., comprehensive local weather commentary (especially good for focused forecasts of winter storms with more local nuance).

Eric Jensen
Last modified: Sept. 9, 2021