Weather

A gradual pattern shift ahead for the Heartland

A final push of bitterly cold air will arrive on the northern Plains by Tuesday and expand into the southern and eastern U.S. by week’s end. On March 5-6, sub-zero temperatures can be expected in the Midwest along and north of a line from Iowa to Ohio. In contrast, late-week warmth will overspread areas from the Pacific Coast to the High Plains. Meanwhile, the focus for significant precipitation will be governed by two storms emerging from the Southwest. The first system, currently over the Four Corners States, will cross the Great Lakes region late Tuesday—producing snow in both areas. In the Southwest, additional precipitation totals of 1 to 2 inches are possible. On March 4-5, the second system has the potential to produce heavy snow from the Tennessee Valley into portions of the Mid-Atlantic States. Five-day precipitation totals could reach 2 to 4 inches from northeastern Texas into the Mid-Atlantic region.

Looking ahead, the 6-10 day outlook calls for above-normal temperatures across the northern Plains and much of the West, while colder-than-normal conditions will dominate the South, East, and lower Midwest. Meanwhile, drier-than-normal weather will cover much of the U.S., with near-normal precipitation limited to the Deep South.

5-Day Precipitation Totals

NOAA’s 6- to 10- Day Outlook

NOAA’s 8- to 14- Day Outlook

 

 

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