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Associated Press

Posted on June 2, 2014 at 4:07 PM

Updated Monday, Jun 2 at 4:09 PM

Weather Underground midday recap for Monday, June 02, 2014

An area of low pressure pushed across the upper Midwest on Monday, while a ridge of high pressure parked itself over the eastern Pacific.

A strong low pressure system moved east northeastward over the upper Midwest on Monday. A cold frontal boundary associated with this system stretched southwestward over Wisconsin, Illinois, Missouri and Kansas. As warm, muggy air streamed northward ahead of this system, strong showers and thunderstorms developed over the northern Plains, the upper Midwest and the Great Lakes. The strongest thunderstorms focused over the upper Midwest, as flood warnings were issued in northern Minnesota. Grand Marais, Minn., reported a midday total of 1.16 inches of rain, while Juneau, Wis., reported a midday total of 1.37 inches of rain. Isolated thunderstorms also developed across the middle Mississippi Valley. Just to the south, an onshore flow from the Gulf of Mexico continued to trigger rain and thunderstorms over the Gulf Coast, the lower Mississippi Valley and the Southeast. Rogers, Ark., reported a midday total of 1.17 inches of rain. A ridge of high pressure kept conditions mostly clear across the Mid-Atlantic and the Northeast on Monday.

Meanwhile, a weak area of low pressure brought light, scattered showers to parts of the upper Intermountain West. The remainder of the western third of the country avoided wet weather due to a ridge of high pressure over the eastern Pacific. Temperatures ranged between the 90s and 100s across the Desert Southwest, as Phoenix, Ariz., recorded a midday high of 100 degrees. .

Temperatures in the Lower 48 states Monday have ranged from a morning low of 28 degrees at Stanley, Idaho to a midday high of 102 degrees at Pecos, Texas

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