Princeton University has procedures for when to delay opening or closing during severe weather. The University makes decisions based on the best available information.

A detailed FAQ is available to help you navigate the decision-making process around severe weather delays and closings, as well as get the most up-to-date information. 

The Weather Team communicates decisions about delays or closures in several ways – note that communications about morning decisions are posted or sent by 6:00 am:

• InsidePrinceton – If there are any closures or delays, the campus status will be found at InsidePrinceton. Please note that closure information will no longer be posted on the University homepage.
• TigerAlert – All faculty, staff, and students receive an e-mail and text message. Individuals may choose to receive a phone call by setting their preferences in TigerAlert via the portal. See TigerAlert User Portal Registration for instructions. 
• TigerSafe app – Receive push messages on your mobile device. Download the TigerSafe app from the iOS or Android app store or go to the TigerSafe page for information. Anyone, including those without a campus NetID or affiliation, can download the app and receive messages.
• SNOW line – As of winter 2023-2024, the 258-SNOW number will no longer be actively updated. Instead, individuals should look to get information on any weather-related closures via TigerAlert, InsidePrinceton, and/or the TigerSafe app.

If the University is open and operating, notifications will not be sent via these platforms. 

See the FAQs for Severe Weather Delays and Closings for more information.