It appears winter may be finally here. The National Weather Service in Paducah has issued a Winter Weather Advisory for 6pm tonight (Saturday) until 4am Sunday. Here are the details.

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
4 AM CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO
4 AM CST SUNDAY.

* RAIN THIS AFTERNOON WILL LIKELY TRANSITION OVER TO SNOW EARLY
  THIS EVENING OVER PORTIONS OF SOUTHEAST MISSOURI. A SIGNIFICANT
  BAND OF SNOW IS THEN EXPECTED TO SHIFT EASTWARD INTO FAR WESTERN
  KENTUCKY AND SOUTHERN ILLINOIS THROUGHOUT THE EVENING. SNOW MAY
  NOT BEGIN OVER THE PENNYRILE REGION OF WESTERN KENTUCKY UNTIL
  AFTER MIDNIGHT. THE SNOW MAY BECOME HEAVY AT TIMES AT SOME
  LOCATIONS. HOWEVER...WARM GROUND CONDITIONS AND AIR TEMPERATURES
  JUST ABOVE FREEZING MAY MITIGATE OVERALL ACCUMULATIONS AT FIRST.

* MUCH OF THE ADVISORY AREA SHOULD PICK UP FORM 1 TO 3 INCHES OF
  SNOW BY THE TIME SNOW TAPERS OFF LATER TONIGHT. THERE ARE SOME
  INDICATIONS LOCALLY HEAVIER AMOUNTS MAY FALL IF THE SNOW BEGINS
  TO STICK CLOSER TO THE ONSET...OR IF LOCAL BANDING OF HEAVIER
  SNOW MATERIALIZES.

* EVEN THOUGH MUCH OF THE SNOW ACCUMULATION MAY BE LIMITED TO
  GRASSY AND ELEVATED SURFACES AT FIRST...SOME SLUSHY
  ACCUMULATIONS ON ROADWAYS MAY OCCUR IF THE SNOW COMES DOWN HARD
  ENOUGH. VISIBILITIES MAY LOWER TO LESS THAN A HALF MILE AT
  TIMES.

* ANY WET ROADWAYS...ESPECIALLY ELEVATED ROADS...MAY TEND TO
  FREEZE OVER LATER TONIGHT AS EVEN COLDER AIR RUSHES IN ON THE
  HEELS OF THE SNOWFALL...CREATING A POTENTIAL BLACK ICE HAZARD.
  NORTHWEST WINDS WILL GUST FROM 20 TO 30 MPH...CREATING SINGLE
  DIGIT WIND CHILL VALUES BY LATE TONIGHT AND SUNDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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
DRIVING.