FOUS11 KWBC 180619
QPFHSD

Probabilistic Heavy Snow and Icing Discussion
NWS Weather Prediction Center College Park MD
219 AM EDT Wed Mar 18 2026

Valid 12Z Wed Mar 18 2026 - 12Z Sat Mar 21 2026

...Upper Midwest to the Northeast... Days 1-2...

Generally quiet winter weather encompasses the CONUS the next
several days as flat and fast flow keep systems progressive and
weak. Within this regime, multiple weak shortwaves traversing WNW
to ESE from the Northern Plains into the Mid-Atlantic and New
England will bring brief periods of light snow and mixed
sleet/freezing rain. In general, this will produce only minor
impacts and no significant snowfall. However, even light freezing
rain can be problematic to travel, so although WPC probabilities
for even 0.1" of ice are less than 5%, some light freezing rain
above 0.01" is likely (>70%) D1 for Wisconsin and lower Michigan,
and again D2 for far southern Michigan into Indiana/Ohio, which
could create travel difficulties due to icy roads.

Weiss


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