Regional Weather Summary
Issued by NWS Des Moines, IA

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AWUS83 KDMX 122259
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IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-081>086-
092>097-130700-

WEATHER SUMMARY FOR IOWA
NATIONAL WEATHER SERVICE DES MOINES IA
459 PM CST FRI DEC 12 2014

SPRING-LIKE AIR FLOWED NORTHWARD INTO THE CENTRAL PLAINS
TODAY AS AN UNSEASONABLY STRONG HIGH PRESSURE SYSTEM STALLED
OVERHEAD. THIS WARM AIR ADVANCED WELL INTO SOUTHERN AND WESTERN
IOWA THIS AFTERNOON. HIGHS REACHED THE MID 30S ACROSS THE
NORTHEASTERN THIRD OF IOWA...BUT LOCATIONS FURTHER SOUTHWEST
SAW READINGS IN THE 40S AND 50S. THE WARMEST AIR WAS ALONG THE
MISSOURI RIVER WHERE HIGHS TOPPED OUT IN THE UPPER 50S. LOW CLOUDS
HELD FAST OVER NORTHERN AND EASTERN IOWA...BUT THIS WARM AIR
ERODED CLOUDS OVER THE WEST AND SOUTH. WINDS WERE FROM THE SOUTH
AT 5 TO 10 MPH.

A VERY MILD BUT DAMP WEEKEND IS IN STORE FOR THE REGION AS THE
AFOREMENTIONED AREA OF HIGH PRESSURE GRADUALLY SHIFTS EASTWARD.
FOG AND DRIZZLE WILL ACCOMPANY A MOSTLY CLOUDY TO CLOUDY
SKY...THOUGH A FEW FLEETING BREAKS IN THE CLOUDS WILL BE
POSSIBLE. HIGHS WILL BE IN THE 40S AND 50S WITH EVEN A FEW 60
DEGREE READINGS IN NORTHERN MISSOURI ON SUNDAY. MANY STATIONS
WILL APPROACH RECORD DAILY HIGHS ON SUNDAY.

AN AREA OF LOW PRESSURE WILL LIFT FROM THE SOUTHERN MISSOURI
RIVER VALLEY TO THE CENTRAL GREAT LAKES REGION BETWEEN SUNDAY
EVENING AND TUESDAY AFTERNOON. THIS WILL SPREAD RAIN OVER THE
REGION FOR MONDAY...TRANSITIONING TO SNOW FROM WEST TO EAST LATE
MONDAY AND TUESDAY AS A COLD FRONT DROPS TEMPERATURES BACK BELOW
FREEZING. THE BEST CHANCE OF ACCUMULATING SNOW WILL BE FROM
NORTHERN IOWA AND LOCATIONS FURTHER TO THE NORTH AND WEST.

$$

KS



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