Regional Weather Summary
Issued by NWS Des Moines, IA

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AWUS83 KDMX 171034
RWSDMX
IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-081>086-
092>097-171600-

WEATHER SUMMARY FOR IOWA
NATIONAL WEATHER SERVICE DES MOINES IA
525 AM CDT SUN MAY 17 2015

A LINE OF THUNDERSTORMS MOVED NORTH ACROSS THE WESTERN HALF OF IOWA
OVERNIGHT.  SOME OF THE STORMS BECAME SEVERE WITH DAMAGING WINDS
ALONG A LINE FROM OSCEOLA TO OGDEN IOWA.  A SOUTHEAST WIND AT 15 TO
30 MPH HELPED TO KEEP TEMPERATURES IN THE MID TO UPPER 60S.  WESTERN
IOWA HAD DROPPED INTO THE LOWER 60S WITH THE PASSAGE OF THE
THUNDERSTORMS.

A LOW PRESSURE SYSTEM WILL LIFT OUT OF CENTRAL NEBRASKA INTO WESTERN
MINNESOTA BY TONIGHT THEN OFF INTO THE UPPER PENINSULA OF MICHIGAN
BY MONDAY AFTERNOON.  THE SURFACE LOW ASSOCIATED WITH THIS FEATURE
WILL TRACK IN ABOUT THE SAME PATH AND DRAG A STRONG COLD FRONT
ACROSS THE REGION TONIGHT INTO EARLY MONDAY.

THUNDERSTORMS ARE EXPECTED ACROSS MUCH OF IOWA THIS MORNING THEN
ACROSS FAR EASTERN IOWA...WISCONSIN...SOUTHEAST MINNESOTA AND
ILLINOIS THIS AFTERNOON. SOME STORMS WILL BE SEVERE THIS
AFTERNOON.ACROSS THESE LOCATIONS.

IT WILL BE BREEZY AND SHARPLY COLDER ON MONDAY THROUGH AT LEAST MID-
WEEK.  PATCHY FROST WILL BE POSSIBLE ACROSS NORTHERN LOCATIONS
MONDAY NIGHT AND AGAIN TUESDAY NIGHT.  ANOTHER WARM UP WILL BEGIN
LATE WEDNESDAY THROUGH THE LATTER PART OF THE WEEK AHEAD OF ANOTHER
SYSTEM THAT WILL BRING SHOWERS AND THUNDERSTORMS TO THE REGION
WEDNESDAY INTO THURSDAY.  LOOK FOR HIGHS IN THE 50S AND 60S THROUGH
WEDNESDAY THEN WARMING BACK INTO THE 70S AND 80S FOR THE LATTER PART
OF THE WEEK.

$$

FAB



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