000
AWUS83 KDMX 131056
RWSDMX
IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-081>086- 
092>097-131600-

WEATHER SUMMARY FOR IOWA
NATIONAL WEATHER SERVICE DES MOINES IA
500 AM CST THU JAN 13 2005

CLOUDS REMAINED OVER NEARLY ALL OF IOWA EARLY THIS THURSDAY MORNING 
WITH TEMPERATURES RANGING FROM 12 AT SIOUX CITY TO 32 AT BOTH 
MUSCATINE AND BURLINGTON. WINDS CONTINUED FROM THE NORTHWEST AT 10 
TO 15 MPH WITH HIGHER GUSTS OVER NORTHERN AND NORTHWESTERN IOWA.  AT 
4 AM THE WIND AT SIOUX CITY GUSTED TO NEAR 30 MPH. 

THE STRONG SURGE OF MOISTURE AND WARM AIR THAT MOVED OVER THE MIDDLE 
MISSISSIPPI RIVER VALLEY WEDNESDAY CAUSING SHOWERS AND THUNDERSTORMS 
HAS NOW MOVED OFF TO THE EAST.  LOW CLOUDS AND SCATTERED FLURRIES 
WERE OCCURRING OVER THE NORTHWESTERN SECTIONS OF THE STATE AND 
STATES TO OUR NORTH EARLY TODAY WITH COLDER AIR THAT IS BEGINNING TO 
FILTER INTO IOWA THIS MORNING. THE MAIN ARCTIC COLD FRONT IS STILL 
NORTH OF IOWA...AND WILL BE ARRIVING AS THE AFTERNOON PROGRESSES 
WITH NEARLY STEADY OR SLOWLY FALLING TEMPERATURES STATEWIDE TODAY. 
GENERALLY CLOUDY CONDITIONS AND PERIODS OF SCATTERED FLURRIES CAN BE 
EXPECTED AS THE COLD AIR MOVES OVER THE STATE TODAY THROUGH 
SATURDAY. NORTHWEST WINDS WILL ALSO BE ON THE INCREASE TODAY AND 
TONIGHT RESULTING IN COLD WIND CHILL VALUES WHICH MAY APPROACH 25 
BELOW ZERO LATER TONIGHT AND AGAIN FRIDAY NIGHT ACROSS NORTHERN HALF 
OF IOWA.  

ALTHOUGH A RIDGE OF COLD HIGH PRESSURE WILL BE MOVING SLOWLY OVER 
THE CENTRAL PLAINS THROUGH MONDAY...A SERIES OF WEAK WEATHER 
DISTURBANCES ALOFT WILL PROVIDE FOR OCCASIONAL CLOUD COVER AND 
SLIGHT CHANCES FOR LIGHT SNOW OR FLURRIES THROUGH THE WEEKEND. A 
REINFORCING SHOT OF COLD AIR SHOULD ARRIVE SUNDAY AND KEEP 
TEMPERATURES WELL BELOW NORMAL INTO MONDAY OF NEXT WEEK. A 
MODERATION IN TEMPERATURE CAN BE EXPECTED FOR TUESDAY AND WEDNESDAY 
AS THE UPPER LEVEL FLOW BECOMES MORE WESTERLY WITH TIME AND THE COLD 
ARCTIC AIR MOVES EAST. 

HIGHS TODAY WILL NOT MOVE MUCH AND THIS AFTERNOON TEMPERATURES WILL 
HOLD STEADY OR SLOWLY FALL INTO THE TEENS AND SINGLE DIGITS MOST 
AREAS. LOWS TONIGHT WILL RANGE FROM NEAR 20 BELOW ZERO IN THE 
NORTHWEST TO THE SINGLE DIGITS ABOVE ZERO SOUTHEAST. FOR FRIDAY 
THROUGH SUNDAY EXPECT HIGHS TO ONLY REACH 5 BELOW NORTHWEST TO 15 
ABOVE SOUTHEAST WITH LOWS RANGING FROM 15 BELOW NORTH TO NEAR 0 IN 
THE SOUTH. BY EARLY NEXT TUESDAY HIGHS WILL MODERATE INTO THE TEENS 
AND 20S ABOVE ZERO.
$$

REV