1.   An onshore flow of moist air will cause scattered rain showers from Washington to California with heavy snow showers across the Cascades and Sierra mountains.

2.   As cold winds from the northeast develop, scattered rain showers near the Great Lakes will turn to snow showers as the front makes steady progress to the Southeast.

3.   A stationary front draped from northern Missouri to New York will be the focus for scattered light rain Tuesday.

4.   But scattered rain showers remained a possibility in Florida.

5.   Cool air and scattered rain will prevail over the Northwestern States while the Southwest is warm with ample sunshine.

6.   Corn futures were mixed, with some support coming from forecasts for scattered rain in planting areas this weekend.

7.   During the afternoon, scattered rain showers will develop, especially over the northern Great Lakes and in the northern Appalachians.

8.   Farther east, scattered light rain will dampen Georgia and the Carolinas.

9.   Forecasters closely monitored the Atlantic waters off Florida for scattered rain showers that would prevent the astronauts from landing.

10.   In the West, clouds, scattered lowland rain and mountain snow will occur from Oregon and northern California to Utah.