A storm moving onshore across central and Southern California will become a snowstorm in the middle of the country by midweek.
The system will first bring rain and high-elevation snow to parts of California through Monday night.
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Late Monday into Tuesday, the storm will push snow into the Southwest, central and northern plains.
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Also Monday night, rain moves into the southern plains. By Tuesday evening, the leading edge of the system and snow will move into the Great Lakes region.
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Furthermore, on Tuesday into Tuesday night, rain/freezing rain will develop over parts of the central plains and move into parts of the Middle Mississippi Valley. The snow will measure 4 to 6 inches with isolated 8 inches over parts of the Midwest.
The snow and freezing rain will contribute to hazardous driving conditions.
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The heaviest is expected as the storm passes the Great Basin and central Rockies. Snowfall totals are expected to reach between 12 and 24 inches by Tuesday night.