... Winter Weather Advisory in effect from noon Saturday to
midnight CST Saturday night...
* what... rain will change to snow Saturday afternoon into Saturday
night. Accumulations of 1 to 2 inches, with locally higher
amounts possible, are expected across the north, with generally
less than 1 inch amounts across the south.
* Where... 1 to 2 inch accumulations are expected mainly north of
the Ohio River. Locally higher amounts upwards to 3 inches may
occur along and north of a Perryville, Missouri, to Mount
Vernon, Illinois line. Generally less than 1 inch amounts are
expected south of the Ohio River.
* When... rain will change to snow Saturday afternoon for most
places north of the Ohio River. South of the Ohio River, rain
will change to snow toward the end of the day Saturday, into
* Additional details... this potent weather system will bring an
Arctic blast of air with a myriad of impacts. Strong and gusty
winds will impact travel and also bring in cold air with single
digit to lower teens wind chills. Plunging sub freezing
temperatures will create flash freeze and black ice potential
for any residual ground or roadway moisture. In addition, winds
may produce reduced visibility where blowing snow is moderate to
A Winter Weather Advisory means that periods of snow... sleet... or
freezing rain will cause travel difficulties. Be prepared for
slippery roads and limited visibilities... and use caution while
A Winter Weather Advisory for blowing snow means that
visibilities will be limited due to strong winds blowing snow
around. Use caution when traveling... especially in open areas.
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Winter Weather Advisory
Issued: 2:04 PM CST Jan. 18, 2019 – National Weather Service