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 As a result, widespread rain with high-elevation snow is expected across the
western U.S. Moderate to locally heavy snow showers will be possible over the Cascades and Sierras Wednesday. By Thursday, another Pacific system will move ashore, bringing another round of rain and mountain snow across California.
In the middle section of the nation, a stationary front will continue to support scattered showers and thunderstorms over the
southern Plains and portions of lower Mississippi Valley. Severe thunderstorms will be possible over portions of
central and southern High Plains. Large hail and damaging wind gusts will be the main threat,
but isolated tornadoes cannot be ruled out. Apart from the precipitation, freeze watches and warnings have been issued for much of the Midwest Wednesday morning. Temperatures will fall below freezing.
In the East, lingering scattered snow showers will persist over New England, eastern Great Lakes and portions of the Appalachians in the morning, changing to rain showers by noon.
Temperatures in the Lower 48 states Tuesday ranged from a morning low of 10 degrees at Watford City, N.D., to a high of 90 degrees at Needles, Calif.
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