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The nation's weather
Weather Underground Forecast for Friday, July 06, 2012.
Hot weather will continue for much of the Central and Eastern U.S. as the dominant ridge of high pressure effecting the region expands eastward. Daytime temperatures will once again climb well into the 90s and lower to mid-100s during the afternoon, while heat index values range from 100 to 115 degrees. Expect a variety of Heat Advisories, Excessive Heat Watches, and Excessive Heat Warnings to remain in effect, especially across the Midwest and Mid-Atlantic. Residents are encouraged to take extra precautions while outside to reduce the risk of heat exhaustion and heat stroke.
Meanwhile, A cold front will kick up a few scattered showers and thunderstorms as it moves through the Great Lakes, while more significant rain and thunderstorm activity forms near the tail of the boundary, from eastern South Dakota through southern Wisconsin. There is a slight risk of severe thunderstorm development in this region with damaging wind gusts and hail.
To the south, hot and humid conditions in the South will support chances of rain and thunderstorms across the Southeast, Eastern Valleys and Mid-Atlantic.
Finally, deep monsoon moisture will continue to spread across the Four Corners on Thursday. This moist flow will support isolated to scattered showers and chances of afternoon and evening thunderstorms in the Southwest, the Central Great Basin, and the Central and Southern Rockies. Temperatures in the Lower 48 states Thursday have ranged from a morning low of 32 degrees at Truckee-Tahoe, Calif. to a high of 107 degrees at Olney-Noble, Ill.