21.   High pressure moving into Oregon will bring an end to the strong onshore flow.

22.   Meanwhile, high pressure retreating into the Canadian Maritimes will cause a moist onshore flow in New England bringing ocean clouds inland.

23.   National Weather Service meteorologist Steve Markkanen said the usual summertime onshore flow was redeveloping, meaning temperatures Tuesday should be lower.

24.   Onshore flow will persist in Southern California allowing low clouds and fog to stay inland all day.

25.   Onshore flow will resume over much of the Eastern Seaboard, promoting cool readings and rain in some sections.

26.   Onshore flow in the Pacific Northwest will allow coastal showers and mountain snow showers to persist.

27.   Onshore flow on the Pacific Northwest will promote clouds and showers.

28.   Onshore flow will bring ocean clouds into southeast Florida.

29.   Rains will generally be light to moderate, given that the onshore flow of Pacific moisture is relatively weak.

30.   Rainfalls will be generally light because the onshore flow of Pacific moisture will stay relatively weak at low levels.