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[October 07, 2011] (AP) Expect more early season snow showers across the West, while the East will remain under pleasant fall conditions on Friday. A large area of low pressure that has brought rain and snow to most of the western U.S. will slightly advance northeastward and over the northern Rockies throughout the day.

(Click on map for larger image.)

The system will bring rain and high-elevation snow to Wyoming and Montana, while the leading edge of the system will reach into the northern Plains. The system will push a cold front over the northern Plains and into the upper Midwest, which will kick up scattered rain showers. The tail end of this front will reach into the southern Plains, also bringing light rain with it. There is a slight chance that this front could trigger some severe thunderstorms with large hail, strong winds and periods of heavy rains.

In the East, a broad ridge of high pressure remains the dominant weather feature from the Mississippi River, over the Great Lakes and Ohio River Valley, and extends to the Eastern Seaboard. This will create another mild fall day with sunny skies and highs in the 70s and 80s.

In the South, however, onshore flow over Florida and southern Georgia will create warm and humid conditions. This will be favorable for thunderstorm development, some of which may turn severe.

Temperatures in the Lower 48 states Thursday ranged from a morning low of 15 degrees at Mount Washington, N.H., to a high of 98 degrees at Pecos, Texas.

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Online:

Weather Underground: http://www.wunderground.com/

National Weather Service:
http://iwin.nws.noaa.gov/

Intellicast:
http://www.intellicast.com/

[Associated Press article from Weather Underground]