000
AWUS83 KDMX 221014
RWSDMX
IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-081>086-
092>097-221600-

WEATHER SUMMARY FOR IOWA
NATIONAL WEATHER SERVICE DES MOINES IA
514 AM CDT WED MAY 22 2013

WEAK LOW PRESSURE MOVED ACROSS NORTHERN IOWA OVERNIGHT WITH COOLER
AIR ENTERING THE STATE. WIDESPREAD LOW CLOUDINESS WAS COMMON
ACROSS NORTHERN AND WESTERN IOWA WITH LIGHT DRIZZLE. FARTHER SOUTH
AND EAST...CONDITIONS REMAINED DRY WITH SLIGHTLY WARMER
TEMPERATURES. EARLY MORNING READINGS RANGED FROM THE MID 50S IN
THE WESTERN THIRD OF THE STATE TO THE MID 60S IN THE FAR
SOUTHEAST.

THE LOW WILL MOVE SLOWLY EAST TODAY WITH CLOUDY AND RAW CONDITIONS
ACROSS MUCH OF THE UPPER MIDWEST INCLUDING IOWA. TEMPERATURES ARE
FORECAST TO BE WELL BELOW NORMAL AS COOLER AIR FROM CANADA MOVES
INTO THE REGION. THIS SYSTEM WILL PULL EAST TONIGHT INTO THURSDAY
WITH CONDITIONS IMPROVING FOR MUCH OF THE REGION AS WEAK HIGH
PRESSURE MOVES ACROSS THE PLAINS. MUCH OF FRIDAY WILL BE QUIET BUT
RETURNING MOISTURE IN THE PLAINS WILL PRODUCE SHOWERS AND
THUNDERSTORMS WEST OF THE MISSOURI RIVER VALLEY BY FRIDAY
AFTERNOON. THIS ACTIVITY WILL SPREAD EAST INTO IOWA FRIDAY NIGHT
INTO SATURDAY. AN ACTIVE PERIOD OF WEATHER IS THEN EXPECTED
THROUGH THE MEMORIAL DAY WEEKEND WITH PERIODS OF THUNDERSTORMS
OVER MUCH OF THE MIDWEST AS A WARM FRONT STALLS NEAR IOWA.

&&

THE NATIONAL WEATHER SERVICE IN DES MOINES WILL DISCONTINUE THE
ISSUANCE OF THE 920 PM REGIONAL WEATHER SUMMARY EFFECTIVE
JUNE 15 2013.  AFTER THAT DATE...THE REGIONAL WEATHER SUMMARY
WILL ONLY BE ISSUED AROUND 500 AM...1100 AM... AND 500 PM.

IF THERE ARE QUESTIONS OR COMMENTS ABOUT THIS CHANGE...PLEASE
EMAIL /IN ALL LOWERCASE/ JEFF.JOHNSON...AT SYMBOL...NOAA.GOV OR
CALL 515.270.4501 EXTENSION 726.


$$

CC