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Weather Underground midday recap for Wednesday, June 15, 2016

A low pressure system moved across the Midwest on Wednesday, while extreme heat affected the Plains.

An area of low pressure drifted east southeastward across the upper Mississippi Valley. This system ushered moderate rain and embedded thunderstorms across the upper Midwest. Baudette, Minn., reported a midday total of 1.61 inches of rain. Sturgis, Mich., reported a midday total of 1.51 inches of rain. A warm and muggy air mass also generated heavy rain and strong thunderstorms in parts of the Midwest, the Mid-Atlantic and the Deep South. Severe thunderstorm warnings were issued in western Kentucky and western Tennessee. Benton, Ky., reported multiple trees down along roadways. Beaufort, N.C., reported a midday total of 3.01 inches of rain.

A ridge of high pressure brought extreme heat to the southern and central Plains. Heat advisories were issued in a handful of states from the southern and central Plains to the Mississippi Valley. Newport, Ark., recorded a midday high of 92 degrees with a heat index of 109 degrees. Stillwater, Okla., recorded a midday high of 94 degrees with a wind chill factor of 109 degrees.

Meanwhile, cool air settled in over the Northwest. Scattered showers and high elevation snow developed in the Pacific Northwest, northern California and the upper Intermountain West. Winter storm watches were issued for the northern Sierra Nevada. Redmond, Ore., recorded a morning low of 27 degrees.

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Temperatures in the Lower 48 states Wednesday have ranged from a morning low of 27 degrees at Redmond, Ore. to a midday high of 104 degrees at Salina, Kan.