A WINTER WEATHER ADVISORY IS IN EFFECT NOW THROUGH 6-P.M. SATURDAY (12/17), FOR THE FOLLOWING COUNTIES: CASS, ADAIR, ADAMS, AUDUBON, GUTHRIE, DALLAS, MADISON, RINGGOLD, TAYLOR AND UNION. AND, A WIND CHILL ADVISORY WILL BE IN EFFECT FROM 6-P.M. SATURDAY UNTIL NOON, SUNDAY.

Winter Weather Advisory for counties in purple; Wind chill warning for counties in light blue; Winter Storm warning for counties in pink. More at http://www.weather.gov/dmx/

LIGHT FREEZING DRIZZLE IS EXPECTED TO DEVELOP BY LATE MORNING AND PERSIST OFF AND ON INTO THE NIGHTTIME HOURS. THE FREEZING DRIZZLE MAY MIX WITH PERIODS OF LIGHT SNOW AS WELL BEFORE SWITCHING TO ALL SNOW SATURDAY. * STORM TOTAL ICE/SNOW ACCUMULATIONS…PROLONGED LIGHT FREEZING DRIZZLE WILL RESULT IN SEVERAL HUNDREDTHS TO AROUND A TENTH OF AN INCH OF ICE ACCUMULATIONS BY TONIGHT…ESPECIALLY ON ELEVATED AND UNTREATED SURFACES. AN INCH OR TWO OF SNOW MAY ALSO ACCUMULATE FROM LATER TODAY THROUGH SATURDAY. *WINDS…WINDS ARE NOT EXPECTED TO BE A FACTOR UNTIL SATURDAY WHEN THEY BECOME NORTH TO NORTHWEST AND INCREASE WITH GUSTS REACHING 30 TO 35 MPH TOWARD MIDDAY WITH BLOWING AND DRIFTING SNOW AND THEN DANGEROUS WIND CHILLS. SPEEDS SHOULD DIMINISH INTO SATURDAY NIGHT AND SUNDAY MORNING BUT STILL BE SUFFICIENT
TO PRODUCE DANGEROUS WIND CHILLS. * VISIBILITY…VISIBILITY MAY BE REDUCED TO A FEW MILES OR LESS DURING BLOWING SNOW SATURDAY.
* TEMPERATURES/WIND CHILL VALUES…LOW TEMPERATURES WILL REACH 8 TO 15 BELOW ZERO BY SUNDAY MORNING. WIND CHILLS MAY DROP TO AS LOW AS 25 TO 30 BELOW ZERO BY LATE SATURDAY NIGHT AND SUNDAY  MORNING…POSSIBLY TO 35 BELOW ALONG THE INTERSTATE 80
CORRIDOR. * IMPACTS…MINOR ICING WILL BEGIN LATER THIS MORNING AND CONTINUE INTO THE NIGHT. TREATMENT AND ROAD TEMPERATURES JUST ABOVE FREEZING MAY REDUCE IMPACTS THROUGH MID AFTERNOON…BUT ICING MAY BECOME MORE WIDESPREAD INTO THE EVENING AS AIR AND ROAD TEMPERATURES DROP. VISIBILITY RESTRICTIONS WITH PARTIALLY SNOW COVERED AND SLICK ROADS MAY OCCUR SATURDAY. THE COMBINATION OF FREEZING PRECIPITATION FOLLOWED BY SNOW AND  WIND WILL LEAD TO HAZARDOUS TRAVEL CONDITIONS.

A WINTER WEATHER ADVISORY IS IN EFFECT FROM 9-A.M. TODAY (FRIDAY) UNTIL 6-P.M. SATURDAY, FOR HARRISON, SHELBY, POTTAWATTAMIE, MILLS, MONTGOMERY, FREMONT AND PAGE COUNTIES, AND, A WIND CHILL ADVISORY WILL BE IN EFFECT FROM 6-P.M. SATURDAY UNTIL 11-A.M. SUNDAY. Wind chill values will fall to -20 by Saturday evening and -25 Saturday night into early Sunday. The dangerously low wind chill values will cause frost bite to exposed skin in a short period of time.

CARROLL-CRAWFORD-SAC COUNTIES: A WINTER WEATHER ADVISORY IS IN EFFECT FROM NOON TODAY (FRIDAY) THROUGH 6-P.M. SATURDAY, AND A WIND CHILL ADVISORY IS IN EFFECT FROM 6-P.M. SATURDAY THROUGH NOON, SUNDAY.

A WINTER WEATHER ADVISORY MEANS PERIODS OF SNOW, SLEET, OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES. A WIND CHILL ADVISORY MEANS VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS THAT CAN RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS, WEAR A HAT AND GLOVES.