000 AWUS83 KDMX 031118 RWSDMX IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-081>086- 092>097-031720- WEATHER SUMMARY FOR IOWA NATIONAL WEATHER SERVICE DES MOINES IA 500 AM CST FRI DEC 3 2004 HIGH THIN CLOUDS INCREASED FROM THE NORTHWEST OVERNIGHT AS AN UPPER LEVEL DISTURBANCE AND WARM FRONT MOVED OVER THE NORTHERN PLAINS TOWARD IOWA THIS FRIDAY MORNING. LIGHT SNOW AND FLURRIES REPORTED IN NORTH DAKOTA OVERNIGHT HAVE DIMINISHED AS THE SYSTEM CONTINUES TO MOVE EAST. TEMPERATURES REMAINED COOL THIS MORNING WITH A READING OF 18 AT OELWEIN TO 30 AT DENISON IN WESTERN IOWA. WINDS WERE GENERALLY LIGHT FROM THE SOUTH AT 5 TO 10 MPH. NO PRECIPIATION HAS BEEN REPORTED OVERNIGHT. THE WEAK UPPER LEVEL DISTURBANCE AND WARM FRONT IS EXPECTED TO MOVE THROUGH THE STATE TODAY RESULTING IN HIGH AND MID LEVEL CLOUDS BUT NO PRECIPITATION. WINDS WILL INCREASE FROM THE SOUTHWEST TODAY AND TONIGHT WITH MILDER AIR STREAMING INTO THE STATE FROM THE SOUTHWEST. HIGHS WILL REACH THE LOWER TO MID 50S ON SATURDAY ACROSS IOWA BUT THIS MILD SURGE WILL BE SHORT-LIVED. A STRONGER STORM SYSTEM WILL AFFECT THE REGION SUNDAY INTO TUESDAY. RAIN WILL ARRIVE IN THE SOUTHERN PORTIONS OF THE STATE AS EARLY AS SUNDAY MORNING AND CONTINUE MUCH OF THE DAY. BY SUNDAY NIGHT THE PRECIPITATION WILL DIMINISH BEFORE LIGHT RAIN MIXED WITH LIGHT SNOW RETURNS FOR MONDAY. BY MONDAY NIGHT THE STORM WILL HEAD EAST AND THE THE LIGHT SNOW WILL END EARLY TUESDAY. MOST OF THE PRECIPITATION FROM THIS SYSTEM SHOULD FALL AS RAIN. HOWEVER THERE WILL BE A CHANCE FOR SOME SNOW ACCUMULATION. AT THIS TIME IT LOOKS LIKE THE BEST CHANCES WILL BE OVER NORTHERN IOWA MONDAY AFTERNOON AND EVENING. OVERNIGHT LOWS TONIGHT WILL BE IN THE 25 TO 30 DEGREE RANGE. HIGH TEMPERATURES SATURDAY WILL BE IN THE UPPER 40S TO MID 50S. WITH CLOUDS AND RAIN EXPECTED ON SUNDAY AND MONDAY...TEMPERATURES WILL SLIDE BACK INTO THE 40S. COLDER AIR WILL MOVE SOUTH INTO THE REGION STARTING MONDAY...AND BY MID WEEK...HIGHS WILL ONLY REACH THE 20S AND 30S WITH LOWS IN THE TEENS AND 20S. $$ VACHALEK