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Snow Storm for N. Illinois Tomorrow; Watching for impacts near the State Line

6+” of snow falls across northern Illinois tomorrow night. Snow may fall in Madison, but totals will be higher along and south of the WI/IL border.
A Winter Storm will impact northern Illinois tomorrow evening into Tuesday. Counties along the...
A Winter Storm will impact northern Illinois tomorrow evening into Tuesday. Counties along the state line may pick up moderate - heavy snowfall. Changes in the forecast are likely.(WMTV NBC15)
Published: Jan. 24, 2021 at 4:29 PM CST|Updated: Jan. 25, 2021 at 3:45 PM CST
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MADISON, Wis. (WMTV) - Dry air hampered Saturday night’s snow totals, but most picked up between 1-2″ of snow in southern Wisconsin. Totals were far lower West of Madison thanks to that drier air. As expected, folks along the state line saw the least amount of snow. Attention turns to the next weather system which heads up from the south-central Plains tomorrow.

Dry air hampered snowfall totals west of Madison. Most places received 1-2" of snow. A heavier...
Dry air hampered snowfall totals west of Madison. Most places received 1-2" of snow. A heavier burst of snow fell in portions of Dodge County.(WMTV NBC15)

A developing low-pressure system will move NE into the Midwest and Great Lakes Monday. Southern Wisconsin remains on the northern side of the track - along with most of Northern Illinois. A heavy band of snow sets up in this region tomorrow afternoon. Snow is expected to last overnight into Tuesday and may even hold on until Tuesday evening. This long-duration event may drop 6+” of snow for much of the Chicagoland-area & northern Illinois.

A Winter Storm will impact much of Northern Illinois tomorrow. Counties & towns along the state...
A Winter Storm will impact much of Northern Illinois tomorrow. Counties & towns along the state line may experience moderate-heavy snowfall. Changes to the forecast are likely.(WMTV NBC15)

The big question is - will we see any of it? As of now, it appears far southern Wisconsin - especially counties & towns along the state line may see as much as 2-5″ of snow. Totals decrease considerably north of Madison - leading to a sharp cutoff north of Dane County. Models have struggled with the track of the storm system. Any shift north or south may drastically change snowfall totals. Light-moderate snow will begin in Madison Monday evening and continue into Tuesday afternoon. Along the state line, that snow could be more moderate, and at times, heavy. Higher totals are expected in this region. NW winds will pick up - leading to blowing & drifting snow. Gusts could reach 25 mph.

A Winter Storm Warning has been issued for far SE Wisconsin for lake-enhanced snow. Northern Illinois counties are also under a Winter Storm Warning. Travel into northern Illinois will be difficult after the steady snow begins Monday evening. A Winter Weather Advisory has been issued for much of southern Wisconsin beginning at 9 p.m. Monday.

Highs on Monday will top out in the upper 20′s. As the snow clears on Tuesday, clouds remain in place. Wednesday offers another opportunity for a few snow flurries. Accumulations & travel impacts will be minimal, if any at all. Sunshine breaks out with high-pressure to end the week. Highs climb into the mid 30′s by next weekend.

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