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 Showers and thunderstorms with areas of heavy rain will develop in parts of the
upper Great Lakes and the Ohio Valley, ahead of a warm front lifting through the Ohio and Tennessee
valleys. This activity will spread into the lower Great Lakes and central Appalachians later in the day. Meanwhile, a cold front trailing southwestward from the low into the
southern Plains will kick up showers and chances of thunderstorms ahead of the cold front through the afternoon and evening. The Storm Prediction Center is issuing a slight risk of severe weather development from areas of the Ohio Valley and
mid-Mississippi Valley, and portions of western and southwestern Texas. Damaging wind gusts are favorable from the Ohio Valley through the
mid-Mississippi Valley, with possible large hail and tornadoes in central and northeastern Ohio into northwestern Pennsylvania. Damaging wind gusts and hail are the main concerns for severe weather in western Texas.
Elsewhere in the East, scattered showers and thunderstorms will persist across parts of the Southeast and Tennessee Valley as a cold front moves through the region.
In the West, mostly clear and dry conditions are expected in the West as high pressure remains the dominant weather feature of the region. Plenty of sunshine during the afternoon will allow daytime highs in the Pacific Northwest and California to warm to above normal values.
Temperatures in the Lower 48 states Sunday ranged from a morning low of 16 degrees at Stanley, Idaho, to a high of 97 degrees at Wink, Texas.
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