A large part of the nation will have no trouble viewing tonight's Leonid meteorshower. High pressure will promote clear skies from the Southwest to thenorthern Plains, as well as across most of the Northeast. Skies will also startoff clear tonight across the Southeast, but residents may encounter someobstructions with the arrival of clouds late. A storm system will create poorviewing conditions across the central Plains, Ohio Valley and central GulfCoast states. The same can be said for the Northwest.Tonight's meteor shower will get underway at 4 a.m. EST. NASA is expecting 20to 30 meteors across the Americas. The most brilliant display will take placeacross Asia, early Wednesday morning local time, where 200 to 300 meteors perhour will streak through the sky.

Story by AccuWeather.com Senior Meteorologist Kristina Pydynowski