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 An area of low pressure over the Gulf Coast will slowly start to advance northeastward and into the Tennessee and Ohio Valleys. Warm and humid air from the Gulf of Mexico will kick up scattered showers and thunderstorms over these areas throughout the day, while rainfall totals will be significantly lower than the last few days across the Gulf Coast, flooding will remain of concern due to the already soaked soil. However, some of these thunderstorms may turn severe over the
eastern valleys with areas of strong winds and large hail. Expect rainfall totals to range from 1 to 2 inches, with more likely in areas of severe weather development.
Meanwhile in the North, a cold front over the upper Midwest continues advancing eastward and stretches from the Great Lakes, over the Midwest and
mid-Mississippi River Valley, and extends into the southern Plains. Widespread showers and thunderstorms are anticipated along this frontal boundary, but there is a slight chance that these storms will turn severe over Oklahoma and Texas, as
the front pulls in additional moisture and energy from the Gulf of Mexico. The main concern from these storms is large hail and strong, damaging winds.
Behind this activity, high fire danger remains a major threat across the Great Basin,
central Rockies and southwestern U.S. Hot, dry and windy conditions will continue due to the cold front passing through the Plains and high pressure building in the Southwest.
Temperatures in the Lower 48 states Sunday ranged from a morning low of 19 degrees at Ely, Nev., to a high of 102 degrees at Midland, Texas.
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