Edited to add: If you're talking about tommorrow, it looks like it's an evening EMH, not morning.
From Waltdisneyworld.com
http://disneyworld.disney.go.com/wdw/calendar/extraMagicHour?id=CalendarExtraMagicHoursPage
Here are the attractions open during Extra Magic Hours:
Magic Kingdom® Park
Mornings:
Buzz Lightyear's Space Ranger Spin, Cinderella's Golden Carrousel, Dumbo the Flying Elephant, "it's a small world", The Many Adventures of Winnie the Pooh, Mickey's PhilharMagic, Peter Pan's Flight, Space Mountain®, Stitch's Great Escape!, Tomorrowland® Indy Speedway
Evenings:
Includes attractions listed above and Big Thunder Mountain Railroad, The Haunted Mansion, The Magic Carpets of Aladdin, Pirates of the Caribbean, Splash Mountain®
Epcot®
Mornings:
Living with the Land, Mission: SPACE®, Soarin', Spaceship Earth, Test Track
Evenings:
Includes attractions listed above and Honey, I Shrunk the Audience, Journey Into Imagination With Figment, Mexico-Gran Fiesta Tour Starring The Three Caballeros, Norway-Maelstrom, The American Adventure
Disney-MGM Studios
Mornings:
Muppet Vision 3-D, Rock 'n' Roller Coaster® Starring Aerosmith, Star Tours, The Twilight Zone Tower of Terror
Evenings:
Includes attractions listed above and The Great Movie Ride, Voyage of The Little Mermaid
Disney's Animal Kingdom® Theme Park
Mornings:
DINOSAUR, Expedition Everest, It's Tough to be a Bug!®, Kilimanjaro Safaris, Pangani Forest Exploration Trail®
Evenings:
DINOSAUR, Expedition Everest, Festival of the Lion King, It's Tough to be a Bug!®, Kali River Rapids, Primeval Whirl®, TriceraTop Spin
Disney's Blizzard Beach Water Park
Mornings:
All attractions will be operational.
Disney's Typhoon Lagoon Water Park
Mornings and Evenings:
All attractions will be operational.