GUTHRIE-DALLAS-POLK-JASPER-POWESHIEK- INCLUDING THE CITIES OF...GUTHRIE CENTER...ADEL...DES MOINES... NEWTON...GRINNELL 340 PM CST SUN JAN 22 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON CST MONDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL NOON CST MONDAY. * SHORT TERM TRENDS...LIGHT RAIN ALONG WITH AREAS OF DENSE FOG WILL BE POSSIBLE EARLY THIS EVENING AS A FRONT PASSES THROUGH THE AREA. BEHIND THE FRONT...THE PRECIPITATION WILL CHANGE TO SNOW...POSSIBLY MIXED WITH SLEET FOR A SHORT TIME BEFORE THE FULL TRANSITION TO SNOW. * STORM TOTAL SNOW/ICE ACCUMULATIONS...SNOWFALL ACCUMULATIONS OF 1 TO 2 INCHES WITH ISOLATED HIGHER AMOUNTS IS LIKELY BY MONDAY MORNING. * WINDS/VISIBILITY...WINDS WILL BECOME NORTHWEST AND INCREASE TONIGHT WITH SPEEDS OF 15 TO 25 MPH OVERNIGHT AND FROM 20 TO 30 MPH DURING THE DAY ON MONDAY WITH HIGHER GUSTS. THIS WILL PRODUCE BLOWING AND DRIFTING SNOW WITH THE VISIBILITIES REDUCE TO UNDER 1/2 MILE IN OPEN AREAS...ESPECIALLY ON MONDAY MORNING. * IMPACTS...ICY ROADS ARE EXPECTED TO DEVELOP AS WATER REFREEZES AS THE TEMPERATURES DROP AND THE SNOW INCREASES. VISIBILITY RESTRICTIONS ARE EXPECTED LATE TONIGHT INTO MONDAY MORNING AS BLOWING SNOW INCREASES. 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 VISIBILITY. BLOWING SNOW MEANS THAT VISIBILITY WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.