171 
AWUS83 KDMX 092130
RWSDMX
IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-081>086-
092>097-100730-

WEATHER SUMMARY FOR IOWA
NATIONAL WEATHER SERVICE DES MOINES IA
330 PM CST FRI JAN 9 2009

WITH A LOW PRESSURE SYSTEM MOVING SLOWLY ACROSS NORTHERN MISSOURI 
PRECIPITATION HAS DEVELOPED ACROSS NORTHERN AND WESTERN IOWA THIS 
AFTERNOON...ROUGHLY NORTHWEST OF A LINE FROM CHARLES CITY TO OMAHA. 
THE LEADING EDGE OF THIS PRECIPITATION IS IN THE FORM OF A LIGHT 
WINTER MIX OF FREEZING RAIN...SLEET...AND SNOW...WITH VERY LITTLE 
ACCUMULATION. BEHIND THIS TO THE NORTH THE PRECIPITATION HAS CHANGED 
OVER TO ALL SNOW AND IS BEGINNING TO GRADUALLY ACCUMULATE. THICK 
CLOUDS HAVE OVERSPREAD MOST OF THE STATE AND WINDS ARE TURNING FROM 
EAST THROUGH NORTHEAST TO NORTH...AND PICKING UP SPEED IN WESTERN 
IOWA. TEMPERATURES REMAINED IN THE UPPER TEENS AND 20S ACROSS THE 
NORTHERN HALF OF THE STATE...AND LOW TO MID 30S BETWEEN INTERSTATE 
80 AND HIGHWAY 34...BUT IN THE FAR SOUTH SOUTHERLY BREEZES AND 
PARTLY CLOUDY SKIES ALLOWED TEMPERATURES TO RISE TO NEAR 50 DEGREES 
IN SOME LOCATIONS.

AS THE LOW PRESSURE SYSTEM MOVES SLOWLY EASTWARD THIS EVENING AND 
TONIGHT THE AREA OF PRECIPITATION WILL CONTINUE TO DEVELOP AND MOVE 
GRADUALLY SOUTHEASTWARD...WITH VIRTUALLY THE ENTIRE STATE RECEIVING 
PRECIPITATION TONIGHT. ROUGHLY ALONG AND SOUTH OF HIGHWAY 30 IT WILL 
BE MIXED PRECIPITATION AT FIRST...WITH LIGHT FREEZING RAIN AND SLEET 
GIVING WAY TO SNOW BY LATE EVENING. THE SNOW WILL CONTINUE AT MOST 
LOCATIONS UNTIL AT LEAST MIDNIGHT BEFORE TAPERING OFF DURING THE 
EARLY MORNING HOURS. TOTAL ACCUMULATIONS WILL RANGE FROM AN INCH OR 
LESS IN SOUTHWESTERN IOWA...TO 1 TO 3 INCHES IN CENTRAL IOWA...TO 2 
TO 4 INCHES IN THE EAST.

THE STORM SYSTEM WILL CLEAR OUT SATURDAY MORNING PROVIDING QUIETER 
WEATHER FOR MOST OF THE WEEKEND...WITH CHANCES FOR SNOW RETURNING 
LATE SUNDAY AND INTERMITTENTLY INTO EARLY NEXT WEEK. SIGNIFICANTLY 
COLDER TEMPERATURES WILL ALSO RETURN TO THE STATE BY TUESDAY BEHIND 
ANOTHER STORM SYSTEM.

LOW TEMPERATURES TONIGHT AND SATURDAY NIGHT WILL RANGE FROM SINGLE 
DIGITS NORTH TO UPPER TEENS SOUTH...WITH HIGHS SATURDAY IN THE MID 
TEENS TO UPPER 20S. SUNDAY AND SUNDAY NIGHT WILL BE WARMER WITH 
HIGHS IN THE LOWER 20S NORTHEAST TO UPPER 30S SOUTHWEST...AND LOWS 
IN THE TEENS TO LOWER 20S. HIGHS MONDAY WILL BE IN THE MID TEENS TO 
UPPER 20S WITH TEMPERATURES MONDAY NIGHT FALLING TO 5 TO 10 BELOW IN 
THE NORTH AND 5 TO 10 DEGREES ABOVE IN THE SOUTH.

$$

LEE