916  
FGUS73 KLOT 171826  
ESFLOT  
ILC007-031-037-043-063-089-093-097-099-103-111-141-197-201-INC089-  
180600-  
 
HYDROLOGIC OUTLOOK  
NATIONAL WEATHER SERVICE CHICAGO IL  
126 PM CDT THU SEP 17 2026  
   
..AREAS OF FLOODING AND RISES IN RIVER LEVELS POSSIBLE NEXT WEEK
 
 
SEVERAL ROUNDS OF SHOWERS AND THUNDERSTORMS ARE POSSIBLE STARTING  
LATE FRIDAY NIGHT AND CONTINUING INTO MONDAY ACROSS SOUTHERN  
WISCONSIN, NORTHERN ILLINOIS, AND PART OF NORTHWESTERN INDIANA. HIGH  
MOISTURE CONTENT IN THE ATMOSPHERE WILL LEAD TO TORRENTIAL DOWNPOURS  
WHERE THUNDERSTORMS ARE MOST FREQUENT, LEADING TO THE POTENTIAL FOR  
SEVERAL INCHES OF RAIN ON A WIDESPREAD BASIS.  
 
THE FAVORED AREA FOR SEVERAL ROUNDS OF SHOWERS AND THUNDERSTORMS  
FRIDAY NIGHT THROUGH MONDAY WILL BE NEAR AND NORTH OF INTERSTATE 80  
WHERE SEVERAL INCHES OF RAIN HAVE FALLEN IN THE PAST 24 HOURS. THE  
INTERSECTION OF INCREASINGLY SATURATED SOILS AND REPEATED DOWNPOURS  
MAY LEAD TO AREAS OF FLOODING AND RISES IN RIVER LEVELS, INCLUDING  
ALONG THE ROCK, FOX, DUPAGE, AND ILLINOIS RIVERS.  
 
THIS OUTLOOK MEANS THAT ELEVATED WATER LEVELS AND POTENTIAL IMPACTS  
ARE POSSIBLE, BUT NOT YET CERTAIN. PERSONS SHOULD CLOSELY MONITOR  
FORECASTS INCLUDING THE POSSIBILITY OF FLOOD WATCHES, WARNINGS, AND  
ADVISORIES.  
 
ADDITIONAL STATEMENTS OR OUTLOOKS MAY BE ISSUED BY TOMORROW MORNING.  
 

 
 
BORCHARDT  
 
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