The first major winter storm is heading for Wisconsin and will arrive overnight. Snowfall amounts of 10-18 inches are expected with blowing snow and drifting. Here is the forecast and warning from the National Weather Service.
Tonight: A 30 percent chance of snow after midnight. Mostly
Saturday: A chance of snow, freezing rain, and sleet before 9am, then snow likely, possibly mixed with rain, freezing rain, and sleet between 9am and 1pm, then snow after 1pm. The snow could be heavy at times. High near 34. North northwest wind between 6 and 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow and sleet accumulation of around 5 inches.
Saturday Night: Snow and areas of blowing snow before midnight, then snow likely and widespread blowing snow after midnight. Low around 17. North northeast wind 9 to 12 mph increasing to between 25 and 28 mph. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of around 5 inches.
Sunday: Widespread blowing snow and a chance of snow before noon, then areas of blowing snow and a slight chance of snow after noon. Mostly cloudy, with a high near 18. North northwest wind between 26 and 30 mph, with gusts 
as high as 43 mph. Chance of precipitation is 40%.
Sunday Night: Areas of blo
wing snow. Partly cloudy, with a low around 6. North northwest wind between 17 and 25 mph, with gusts as high as 36 mph.
URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREEN BAY WI 257 PM CST FRI DEC 10 2010 ...MAJOR WINTER STORM THIS WEEKEND... .A VERY STRONG WINTER STORM WILL BRING HEAVY SNOW...BLOWING AND DRIFTING SNOW...NEAR BLIZZARD CONDITIONS AND BITTERLY COLD TEMPERATURES TO THE REGION THIS WEEKEND. AN AREA OF LOW PRESSURE WILL INTENSIFY AS IT MOVES OVER NORTHERN IOWA AND EXTREME SOUTHERN WISCONSIN ON SATURDAY...AND INTO LOWER MICHIGAN ON SUNDAY. AHEAD OF THIS LOW PRESSURE SYSTEM...SNOW WILL BEGIN TO PUSH INTO CENTRAL WISCONSIN LATE TONIGHT BEFORE INTENSIFYING AND SPREADING ACROSS THE REST OF NORTHEAST WISCONSIN ON SATURDAY. MODERATE TO HEAVY SNOW IS EXPECTED TO CONTINUE INTO SATURDAY EVENING...THEN WIND DOWN AFTER MIDNIGHT. IN ADDITION...GUSTY NORTH WINDS WILL DEVELOP BEHIND THE LOW AND GENERATE BLOWING AND DRIFTING CONDITIONS. WINDS MAY BECOME STRONG ENOUGH TO PRODUCE NEAR BLIZZARD CONDITIONS SATURDAY NIGHT INTO SUNDAY FOR MAINLY NORTHEAST WISCONSIN. WIZ005-010>012-018-019-030-035>037-045-110500- /O.CON.KGRB.WS.W.0003.101211T0600Z-101212T1800Z/ VILAS-ONEIDA-FOREST-FLORENCE-LINCOLN-LANGLADE-MARATHON-WOOD- PORTAGE-WAUPACA-WAUSHARA- INCLUDING THE CITIES OF...EAGLE RIVER...RHINELANDER...CRANDON... TOMAHAWK...ANTIGO...WAUSAU...WISCONSIN RAPIDS...STEVENS POINT... WAUTOMA 257 PM CST FRI DEC 10 2010 ...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST SUNDAY. * SNOW WILL BEGIN TO OVERSPREAD CENTRAL WISCONSIN LATE TONIGHT AND REACH EASTERN WISCONSIN SATURDAY MORNING. THE HEAVIEST PERIOD OF SNOWFALL WILL OCCUR ON SATURDAY. * SNOW ACCUMULATIONS ARE FORECAST TO RANGE FROM 10 TO 16 INCHES BY SATURDAY NIGHT WITH CONSIDERABLE BLOWING AND DRIFTING SNOW. * TRAVEL CONDITIONS WILL BECOME EXTREMELY HAZARDOUS SATURDAY INTO SATURDAY NIGHT AS A RESULT OF THE HEAVY SNOW...AND REDUCED VISIBILITIES FROM THE BLOWING AND DRIFTING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. THE COMBINATION OF SNOW AND STRONG WINDS WILL MAKE TRAVEL VERY DIFFICULT. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD... AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST WISCONSIN ROAD CONDITIONS CAN BE OBTAINED BY CALLING 511.
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