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AWUS83 KILX 212241
RWSILX
ILZ027>031-036>038-040>057-061>063-066>068-071>073-220500-

REGIONAL WEATHER SYNOPSIS
NATIONAL WEATHER SERVICE LINCOLN IL
538 PM CDT FRI MAY 21 2004

A WARM FRONT FROM CENTRAL IOWA...TO NORTHERN ILLINOIS...TO NORTHERN
INDIANA...WILL CONTINUE TO MOVE SLOWLY NORTHWARD TONIGHT. THIS
FRONT WILL BE THE FOCUS OF THUNDERSTORMS...SOME SEVERE...FROM
NORTHERN AND CENTRAL IOWA...TO NORTHERN ILLINOIS...AND SOUTHERN
WISCONSIN THIS EVENING...AND ACROSS NORTHERN IOWA...SOUTHERN
WISCONSIN...AND LOWER MICHIGAN OVERNIGHT.

THE FRONT WILL STALL OUT OVER THE GREAT LAKES REGION SATURDAY...WITH
THUNDERSTORM CHANCES CONTINUING OVER NORTHERN IOWA...WISCONSIN...AND
LOWER MICHIGAN. FLOODING IS POSSIBLE ACROSS THESE LOCATIONS WITH THE
HEAVY RAINFALL EXPECTED. FLOOD WATCHES HAVE BEEN POSTED AS A RESULT.

HOT AND HUMID CONDITIONS WILL PREVAIL SOUTH OF THE FRONT OVER THE
REMAINDER OF THE AREA SATURDAY. THE FRONT IS FORECAST TO AGAIN DROP
SOUTH...THROUGH THE REGION...AS A COLD FRONT LATE SUNDAY AND INTO
MONDAY...RESULTING IN ANOTHER ROUND OF SHOWERS AND THUNDERSTORMS.

LOW TEMPERATURES TONIGHT...WILL RANGE FROM MIDDLE 50S IN
CENTRAL WISCONSIN...TO THE UPPER 60S ACROSS MISSOURI...SOUTHERN
ILLINOIS AND ALONG THE OHIO RIVER VALLEY.

HIGHS ON SATURDAY WILL BE IN THE 70S ACROSS NORTHERN IOWA AND MUCH
OF WISCONSIN. MIDDLE TO UPPER 80S WILL BE COMMON ELSEWHERE.

$$

PLAHMER