John Mifsud, left, and Zachary Zaia] enjoy fresh snowfall by...

John Mifsud, left, and Zachary Zaia] enjoy fresh snowfall by sledding at Bethpage State Park Golf Course in Bethpage. (Dec. 20, 2009) Credit: Joel Cairo

Hundreds of Long Island schools and organizations announced they're closing Monday, or delaying their opening, after a record weekend snowstorm that left up to 27 inches of snow on the ground.

Schoolkids by the thousands got an additional day to expand snow forts, build a higher snowman and engage in snowball fights.

Many of their parents weren't so lucky, however. Commuters Monday face a potential nightmare of clogged roads and dangerous driving conditions.

>> SCHOOL CLOSINGS: Click here for hundreds of school and organization closings and delays for today and tonight

>> LIVE: Traffic and LIRR conditions | Weather forecast and radar | Breaking news alerts

>> PHOTOS: Latest photos from around LI | Classic LI snowstorms | Send your photos!

>> DIVERSIONS: Going out? Best sledding spots | Staying in? Top 9 of 2009 lists

; Newsday investigation: Housing tax breaks ... A plum 'Out East' spot for tomatoes ... East End lanternfly infestation  Credit: Newsday

Do you qualify for state energy rebate check? ... Street takeover arrests ... Yankee Stadium health warning ... LI schools teaching financial ed

; Newsday investigation: Housing tax breaks ... A plum 'Out East' spot for tomatoes ... East End lanternfly infestation  Credit: Newsday

Do you qualify for state energy rebate check? ... Street takeover arrests ... Yankee Stadium health warning ... LI schools teaching financial ed

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