The nation's weather

AP News
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Posted: Jul 29, 2012 4:49 AM
The nation's weather

Active weather continues Sunday along the East Coast while showers and thunderstorms persist in the Upper Midwest. A cold front extending from the Northeast through the Tennessee Valley will move southeastward throughout the day. This system will linger along the Eastern Seaboard, pulling moisture in from the Atlantic Ocean and the Gulf of Mexico. This will kick up scattered showers and thunderstorms from the Gulf states through the extreme Northeast. Some of these storms may produce bouts of heavy rainfall and strong wind gusts.

Elsewhere, a low pressure system is expected to move across the Northern Plains and Upper Midwest, producing showers and thunderstorms across Iowa and Minnesota. South of this activity, a dominant ridge of high pressure remains the main weather feature across the Central and Southern Plains. This system will keep moisture away to the south and north, allowing for sunny skies and hot temperatures to persist. Excessive heat warnings and heat advisories will remain in effect for these areas on Sunday.

Out West, more thunderstorm activity is anticipated in the Southwest. Monsoonal moisture over the Four Corners will maintain scattered storms across Arizona, New Mexico, Utah, and Colorado.

Temperatures in the lower 48 states ranged Saturday from a morning low of 35 degrees at West Yellowstone, Montana, to a high of 108 degrees at Coffeyville, Kan.

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Online:

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

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

Intellicast: http://www.intellicast.com