The National Weather Service has issues a Winter Storm Warning for the Sioux Empire. Snow, wind and cold are the main concerns. 3 to 7 inches of snow are possible with the winds picking up and making travel difficult Tuesday night and Wednesday. Call 511 for road conditions or go to Safetravel.com.

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
309 PM CST TUE DEC 3 2013

INCLUDING THE CITIES OF...SALEM...CANISTOTA...BRIDGEWATER...
MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...
HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG
309 PM CST TUE DEC 3 2013

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT CST WEDNESDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 6
PM THIS EVENING TO MIDNIGHT CST WEDNESDAY NIGHT. THE WINTER
WEATHER ADVISORY IS NO LONGER IN EFFECT.

* TIMING...SNOW IS EXPECTED TO DEVELOP THIS EVENING. SNOW MAY BE
  HEAVY AT TIMES LATE THIS EVENING THROUGH SUNRISE ON WEDNESDAY.
  LIGHT SNOW IS THEN EXPECTED TO CONTINUE THROUGH WEDNESDAY
  EVENING.

* ACCUMULATIONS...SNOW ACCUMULATIONS OF THREE TO SEVEN INCHES CAN
  BE EXPECTED THROUGH WEDNESDAY NIGHT. THE HEAVIEST SNOWFALL WILL
  BE NORTH OF INTERSTATE 90...WITH LESSER AMOUNTS OF SNOW SOUTH OF
  HIGHWAY 18.

* WIND AND VISIBILITY...NORTHWEST WINDS WILL INCREASE TO 15 TO 25
  MPH BY LATE THIS EVENING. THE STRONG WINDS WILL CONTINUE THROUGH
  WEDNESDAY AFTERNOON CREATING VISIBILITIES LESS THAN ONE HALF
  MILE AT TIMES LATE TONIGHT AND WEDNESDAY...ESPECIALLY IN OPEN
  AREAS.

* WIND CHILL VALUES...AS COOLER AIR MOVES INTO THE REGION AND
  WINDS INCREASE...WIND CHILL VALUES ARE EXPECTED TO FALL. WIND
  CHILL VALUES ARE EXPECTED TO FALL FROM THE LOWER 20S THIS
  EVENING TO THE SINGLE DIGITS ABOVE ZERO BY EARLY WEDNESDAY
  MORNING. WIND CHILL VALUES ARE EXPECTED TO HOVER NEAR ZERO
  THROUGHOUT THE DAY ON WEDNESDAY...BEFORE FALLING TO NEAR 20
  BELOW ZERO WEDNESDAY NIGHT.