Winter Weather Update

Winter Storm Warning from 2/21/2013 3:00 AM to 9:00 PM CST for Wayne County, Hamilton County.

SNOW AND SLEET WILL BEGIN ACCUMULATING OVER SOUTHEAST MISSOURI EARLY THURSDAY MORNING. THIS WINTRY MIX OF SNOW AND SLEET WILLTHEN SPREAD NORTHEAST INTO PORTIONS OF SOUTHERN ILLINOIS LATER IN THE MORNING AND INTO THE AFTERNOON HOURS. THE PRECIPITATION IS EXPECTED TO TRANSITION OVER TO FREEZING RAIN ACROSS SOUTHEAST MISSOURI AROUND NOON. THIS TRANSITION WILL BE SLOWER IN SOUTHERN ILLINOIS. OVER SOUTHERN ILLINOIS...ONE TO TWO INCHES OF SLEET AND SNOW CAN BE EXPECTED...WITH A MINOR GLAZE OF A TENTH OF AN INCH OR LESS OF ICE ON TOP.

THIS WINTRY MIX WILL LIKELY LEAD TO DANGEROUS TRAVEL CONDITIONS ON ROADWAYS AND ESPECIALLY ON ELEVATED SURFACES. SOME POWER OUTAGES CANNOT BE RULED OUT...ESPECIALLY OVER PORTIONS OF SOUTHEAST MISSOURI...WHERE THE GREATEST ICING IS EXPECTED TO OCCUR.

Winter Weather Advisory from 2/21/2013 6:00 AM to 3:00 PM CST for Saline County, Edwards County, White County, Gallatin County, Gibson County, Wabash County, Posey County.

A LIGHT WINTRY MIX OF SLEET AND FREEZING RAIN WILL BEGIN THURSDAY MORNING AND CONTINUE INTO THE AFTERNOON. THE PRECIPITATION WILL EVENTUALLY BECOME ALL RAIN...AS TEMPERATURES CLIMB ABOVE FREEZING DURING THE AFTERNOON. UP TO A TENTH OF AN INCH OF ICE...AND UP TO A HALF INCH OF SLEET WILL BE POSSIBLE BEFORE TEMPERATURES WARM ABOVE FREEZING.

ICING WILL BE MOST LIKELY ON ELEVATED OBJECTS...BUT SOME SLICK SPOTS MAY DEVELOP ON UNTREATED ROADWAYS...ESPECIALLY BRIDGES.  MOTORISTS SHOULD SLOW DOWN AND BE PREPARED FOR HAZARDOUS DRIVING CONDITIONS UNTIL TEMPERATURES RISE ABOVE FREEZING. ANY PROBLEMS ARE EXPECTED TO BE SHORT-LIVED.

Winter Weather Advisory from 2/21/2013 3:00 PM to 2/22/2013 6:00 AM CST for Richland County, Lawrence County, Clay County.

TIMING...SLEET AND FREEZING RAIN WILL DEVELOP AFTER 3 PM THURSDAY...WITH THE HEAVIER PRECIPITATION FROM 7 PM TO 11 PM.

ACCUMULATIONS...MINOR SLEET ACCUMULATION IS EXPECTED...WITH AROUND ONE TENTH OF AN INCH OF ICING FROM FREEZING RAIN POSSIBLE.

WIND...EAST WINDS WILL INCREASE TO BETWEEN 15 AND 25 MPH...WITH GUSTS TO 30 MPH POSSIBLE.

IMPACTS...BRIDGES...OVERPASSES AND SECONDARY ROADS WILL BECOME SLIPPERY FROM ICING BY THURSDAY EVENING...WITH SLEET ADDING TO THE HAZARDOUS TRAVEL.