A low pressure system will shift over the Midwest on Thursday, while another system drifts across the Southwest.
An area of low pressure will push eastward from the central Plains to the Ohio Valley. This system will produce widespread rain and thunderstorms across the Midwest, the Mid-Atlantic, the Southeast and the Deep South. A warm frontal boundary trailing this system will be the focal point for strong to severe thunderstorms. As warm air streams across the southern Plains, severe thunderstorms will fire up in northern Texas and southern Oklahoma. These thunderstorms will be capable of producing large hail, dangerous straight line winds and isolated tornadoes. Most of New England will experience cool and dry weather on Thursday.
Meanwhile, a separate area of low pressure will inch eastward across the Southwest and the lower Intermountain West. This system will generate showers and isolated thunderstorms in parts of southern California, southern Nevada and Arizona. High elevation snow will also be possible from the Sierra Nevada to the Rockies. Temperatures will be 5 to 10 degrees below normal across the region on Thursday. A large ridge of high pressure centered over the eastern Pacific will influence dry weather across most of the West Coast.
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