312 AWUS83 KDMX 071106 RWSDMX IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-081>086- 092>097-071730- WEATHER SUMMARY FOR IOWA NATIONAL WEATHER SERVICE DES MOINES IA 506 AM CST SAT MAR 7 2009 PRECIPITATION WAS ON THE INCREASE ACROSS IOWA OVERNIGHT WITH SHOWERS AND THUNDERSTORMS IN MANY AREAS...AND POSSIBLY SOME LIGHT SNOW OR SLEET NORTHWEST. SOME OF THE THUNDERSTORMS PRODUCED SMALL HAIL WITH PEA TO DIME SIZED HAIL COVERING THE GROUND NEAR GREENFIELD... BRIDGEWATER...ATLANTIC AND SOUTHERN PORTIONS OF DES MOINES. SEVERAL AREAS OF CENTRAL AND SOUTHERN IOWA ALSO RECEIVED BETWEEN A QUARTER AND HALF INCH OF RAIN...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. EARLY MORNING TEMPERATURES WERE FAIRLY STEADY WITH READINGS FROM THE LOWER 30S NORTH TO NEAR 50 SOUTHEAST. WINDS WERE GENERALLY FROM THE NORTHEAST AT 5 TO 15 MPH. THE PRECIPITATION FROM THIS MORNING IS JUST THE BEGINNING OF WHAT WILL BE A RATHER ACTIVE WEATHER PATTERN FOR IOWA AND MUCH OF THE MIDWEST. LOW PRESSURE DEVELOPING FROM COLORADO INTO KANSAS THIS MORNING WILL MOVE THROUGH THE PLAINS NOT REACHING EAST OF THE MISSISSIPPI RIVER INTO ILLINOIS UNTIL MIDDAY SUNDAY. THIS WILL ALLOW FOR AN EXTENDED PERIOD OF SHOWERS AND THUNDERSTORMS FROM CENTRAL IOWA SOUTH AND EAST...AND A MIX OF WINTRY WEATHER FARTHER TO THE NORTH AND WEST. ACCUMULATING SNOW AND SLEET IS EXPECTED FOR PORTIONS OF NORTHERN IOWA AND ADJACENT AREAS OF MINNESOTA...SOUTH DAKOTA AND NEBRASKA. WINTER WEATHER ADVISORIES ARE ALREADY IN EFFECT FOR PORTIONS OF THOSE STATES. WHERE THE THUNDERSTORMS ARE FORECAST OVER PARTS KANSAS...IOWA...MISSOURI AND ILLINOIS...MODERATE TO HEAVY RAINS MAY OCCUR. SEVERE WEATHER IS POSSIBLE AS WELL...MAINLY IN THE FORM OF HAIL UP TO QUARTER SIZED. AFTER A BRIEF BREAK FROM LATE SUNDAY INTO MONDAY...THE WEATHER WILL TURN ACTIVE AGAIN AROUND TUESDAY. MUCH LIKE THIS PRESENT SYSTEM...ACCUMULATING SNOWS WILL BE POSSIBLE FROM NORTHERN IOWA INTO MINNESOTA WITH SHOWERS AND THUNDERSTORMS POSSIBLE FROM SOUTHEAST IOWA INTO MISSOURI AND ILLINOIS. $$ SMALL