Crew suiting up

Live: Refresh this page for periodic updates and the latest still image from weather monitors (left) and the launch pad (right). Click on the pictures for a larger view. You can also click here to play NASA TV live video in a 2nd smaller window.

Despite building storm clouds, Discovery's crew began suiting up at 7:18 a.m. and will prepare to arrive at the launch pad at 8:18 a.m.

Patches of blue sky showed through, but clouds waited on the horizon around the launch pad.

Some launch milestones:
9:33 a.m. - hatch closes
10:44 a.m. - MMT conducts final "go/no go" poll
11:38 a.m. - launch
11:46 a.m. - main engine cutoff/orbit

IF YOU'RE GOING TO THE LAUNCH

Sign up to get countdown updates sent to your cell phone.

Where to go for the best launch view.

You can also look over our STS-120 launch day extras page.