000
AWUS83 KDMX 211026
RWSDMX
IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-081>086-
092>097-211600-

WEATHER SUMMARY FOR IOWA
NATIONAL WEATHER SERVICE DES MOINES IA
526 AM CDT TUE MAY 21 2013

THE STORMS THAT PASSED THROUGH PORTIONS OF THE STATE LAST EVENING
QUICKLY EXITED THE STATE OVERNIGHT. MEANWHILE...A WEAK COLD FRONT
MOVED THROUGH WESTERN INTO CENTRAL IOWA DURING THE EARLY MORNING
HOURS WITH SLIGHTLY DRIER AND COOLER AIR BEHIND THE BOUNDARY.
TEMPERATURES AHEAD OF THE FRONT REMAINED IN THE LOW TO MID 60S
OVERNIGHT WITH READINGS DROPPING INTO THE MID 50S IN WESTERN IOWA
BEHIND THE FRONT.

THE SYSTEM THAT HAS BROUGHT THE ACTIVE WEATHER TO MUCH OF THE
REGION WILL SLOWLY CHURN THROUGH SOUTH DAKOTA TODAY. SHOWERS WILL
PERSIST IN THE DAKOTAS INTO NORTHERN MINNESOTA. FARTHER SOUTH AND
EAST...SHOWERS AND THUNDERSTORMS ARE FORECAST FROM WISCONSIN INTO
ILLINOIS AND EASTERN MISSOURI. MUCH OF IOWA AND NEBRASKA WILL SEE
LITTLE PRECIPITATION TODAY WITH COOLER TEMPERATURES. THIS SYSTEM
IS FORECAST TO SLOWLY MOVE EAST THROUGH WEDNESDAY WITH CHANCES FOR
SHOWERS REMAINING ALONG AND EAST OF THE MISSOURI RIVER VALLEY.
HOWEVER...BY THURSDAY...WEAK HIGH PRESSURE WILL BUILD INTO THE
MIDWEST WITH COOL TEMPERATURES AND RELATIVELY TRANQUIL WEATHER.
THE RELATIVELY CALM CONDITIONS WILL CONTINUE INTO FRIDAY BEFORE
CHANCES OF SHOWERS AND THUNDERSTORMS INCREASE FOR THE UPCOMING
WEEKEND.

&&

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