passengers will pass through airport security over a 10-day stretch and if you're planning on bringing food for the family... >> they say if you can spill it, spray it, spread it, pour it, or pump it, it should go in your keecked luggage. but, otherwise, solid foods can 't through checkpoint. >> reporter: but clearing security may be the last of your worries if the weather doesn't cooperate. adriana diaz, cbs news, chicago. >> o'donnell: let's get the forecast now from wcbs's lonnie niinn. all right, lonnie, is the weather bad enough that some may use it as an excuse to stay away from their relatives? >> you know, you can always blame it on the weather, i suppose, norah. there's always that one uncle, right? taking a peek here at what the systems look like right now. we have an exiting system around the northeast. but that one is leaving right now. this system around the tennessee valley will be moving in by sunday. so take a look at it. it's going to be such a mess for the weekend, especially for sunday. not saturday, but sunday. it's wet. you've got snow in the higher elevations of northern new england, and the winds are blowing as well. there will be travel delays. .hen we start looking at this area around billings, montana on agnday.