No sign so far that this show will be postponed.
From the MSG website:
http://www.thegarden.com/event...uce-springsteen.html
Madison Square Garden rarely cancels or postpones events due to inclement weather. Please be advised that tickets for all events are sold on a non-refundable, non-exchangeable basis. This stipulation is clearly marked on each ticket. Should a decision be made to cancel or postpone an event, this information will be posted immediately on our website, www.thegarden.com as well as on our main information telephone line at 212-465-6741.
Please continue to check our website and call 212-465-6741 for the latest, up-to-the-minute information.
Sincerely,
The Madison Square Garden Company