Flooding Rain And Heavy Snow On Tap This Week | WeatherBug
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Flooding Rain And Heavy Snow On Tap This Week

February 24, 2020
By WeatherBug's Erik Gates
Two separate storms will merge into a large dual-threat system which is set to produce more flooding from the Plains into the Southwest and substantial snowfall across the Upper Midwest.

The first piece of moisture is already producing heavy snowfall across the northern Rockies and Plains, where Winter Weather Advisories and Winter Storm Warnings are in effect. In most places, snow amounts of 2 to 6 inches are expected. High winds are producing white-out conditions in parts of southeastern Wyoming.

To the south, rain and storms will roll across the central Plains and Mississippi Valley. The soil in these locations is waterlogged and streams and rivers are running high from recent rainfall, so flooding will be a concern. Flood Watches are in effect for southern Missouri, southeastern Kansas, and eastern Nebraska, including Omaha, Neb., and Springfield, Mo.

Starting Tuesday, colder temperatures to the north will result in a swath of accumulating snow across the northern and central Plains into the Upper Midwest. Snow totals will range from 1 to 3 inches across central Illinois and Indiana to much more substantial accumulation of 6 to 12 inches across eastern Iowa, southern Wisconsin, much of Michigan and far northern Illinois.

Winter Storm Watches are now in effect for eastern Iowa, northern Illinois and southern Wisconsin. They include Dubuque and Cedar Rapids, Iowa, Chicago, Freeport and De Kalb, Ill. and Milwaukee, Wis.

Later this week, colder air will allow for snow to spread from the Ohio Valley to New England Wednesday through Thursday. Lake-effect snow is also expected in the eastern Great Lakes for favored areas downwind of the lakes. Snow accumulation will range 1 to 3 inches along the Appalachians and northern Pennsylvania to as much as 6 to 12 inches in northern New England.