PRECIPITATION WILL BEGIN BEHIND THE FRONT THIS AFTERNOON IN THE FORM OF RAIN...OR A WINTRY MIX...BEFORE QUICKLY CHANGING OVER TO SNOW. 2 TO 4 INCHES OF SNOW ARE EXPECTED ACROSS NORTHEASTERN WYOMING AND MUCH OF THE WESTERN SOUTH DAKOTA PLAINS. HIGHER AMOUNTS ARE EXPECTED ACROSS THE NORTHERN BLACK HILLS AND BEAR LODGE MOUNTAINS AS UPSLOPE CONDITIONS DEVELOP THIS AFTERNOON AND EVENING WITH 3 TO 5 INCHES EXPECTED.
STRONG NORTHWESTERLY WINDS WILL RESULT IN AREAS OF BLOWING SNOW WHICH WILL REDUCE VISIBILITIES AT TIMES BELOW A HALF MILE. IN ADDITION...WET ROADWAYS FROM THE EARLY PRECIPITATION ARE EXPECTED TO FREEZE QUICKLY AS TEMPERATURES DROP THIS AFTERNOON AND EVENING. THIS WILL RESULT IN ICY DRIVING CONDITIONS ESPECIALLY OVER BRIDGES AND UNTREATED ROADWAYS.
SDZ024-025-028-WYZ057-030300- /O.EXT.KUNR.WW.Y.0019.081202T2100Z-081203T1200Z/ NORTHERN BLACK HILLS-NORTHERN FOOT HILLS-CENTRAL BLACK HILLS- WYOMING BLACK HILLS- INCLUDING THE CITIES OF...LEAD...DEADWOOD...SPEARFISH... HILL CITY...MT RUSHMORE...SUNDANCE...FOUR CORNERS 1046 AM MST TUE DEC 2 2008
...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST WEDNESDAY...
THE WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW IS NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST WEDNESDAY.
RAIN AND SNOW WILL CHANGE TO SNOW THIS AFTERNOON...AND CONTINUE THROUGH THE NIGHT. SNOW ACCUMULATIONS OF 3 TO 5 INCHES ARE EXPECTED WITH LOCALLY HIGHER AMOUNTS. IN ADDITION...NORTHWEST WINDS OF 10 TO 20 MPH WILL RESULT IN AREAS OF BLOWING SNOW AT TIMES REDUCING VISIBILITY TO LESS THAN ONE MILE. THE SNOWFALL IS EXPECTED TO TAPER OFF EARLY WEDNESDAY MORNING.
A WINTER WEATHER ADVISORY MEANS SNOW...FREEZING PRECIPITATION... STRONG WINDS...AND COLD TEMPERATURES WILL CREATE HAZARDOUS CONDITIONS. USE CAUTION WHEN OUTDOORS OR TRAVELING.