Weather Underground Forecast for Sunday, August 11, 2013.
Wet and unsettled weather will continue for parts of the South on Sunday, while thunderstorms move into the Midwest.
In the South, a long frontal boundary remained nearly stationary as it reaches from the Mid-Atlantic States through the Lower Eastern Valley into Texas. Sufficient moisture along and to the south of this disturbance will support continued areas of scattered showers and thunderstorms from areas of the Mid-Atlantic through the Deep South. A very moist and unstable airmass over the Southern Plains into Arkansas may translate into clustered of strong thunderstorms with chances of hail and strong wind gusts.
Meanwhile, to the north, a disturbance that produce organized convective activity over the Northern Plains will spread showers and thunderstorms into the Midwest and Central Plains. Storms in portions of Nebraska into parts of Kansas may turn severe with large hail in the 1.50 to 2.00 inch diameter category and localized damaging wind gusts.
Out West, monsoonal moisture will continue to spread across New Mexico into Colorado with more afternoon and evening showers and thunderstorms.
Temperatures in the Lower 48 states Saturday have ranged from a morning low of 32 degrees at Leadville, Colo. to a high of 102 degrees at Needles, Calif.