The nation's weather

July 17, 2011 - 6:14 AM

The heat wave gripping a wide swath of the nation will linger Sunday as a stubborn high pressure system stays anchored over the Plains. This system will be very strong, pushing any storms that could potentially cool the area well to the north.

The system will produce more scorching temperatures in the 90s and 100s from Texas through the Dakotas and Upper Midwest. Eastern Texas through Minnesota and the Dakotas will be under heat advisories due to heat indices spiking into the 100s and 110s in some areas.

Residents from Texas through Minnesota should heed warnings to remain inside during the hottest part of the day. While the Northeast will not be as hot as the Plains, New England will experience a warm end to the weekend.

Meanwhile, an useasonbly cool low pressure system along the West Coast will remain in place, keeping temperatures cool for another day. Low coastal clouds will keep the immediate coast rather cool, but inland temperatures will not rise to seasonal values due to this low pressure system.

The Northeast's readings will rise into the 80s and 90s, while the Southeast will see similar temperatures. The Southern Plains through the Northern Plains will rise into the 90s and 100s, while the Southwest will see temperatures in the 100s and possibly into the 110s. Temperatures in the Lower 48 states Saturday have ranged from a morning low of 32 degrees at Truckee, Calif., to a high of 106 degrees at Lawton, Okla.

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Online:

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

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

Intellicast: http://www.intellicast.com