567  
FXUS63 KIWX 052310  
AFDIWX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE NORTHERN INDIANA  
710 PM EDT SUN JUL 5 2026  
   
KEY MESSAGES
 
 
- SHOWERS AND THUNDERSTORMS (40-60%) WILL IMPACT SOME AREAS  
THIS AFTERNOON INTO EARLY EVENING WITH LOCALLY HEAVY RAIN THE  
MAIN CONCERN. ISOLATED WIND GUSTS TO 40 MPH ARE ALSO POSSIBLE.  
 
- A FEW SHOWERS MAY LINGER EAST OF I-69 OVERNIGHT INTO MONDAY  
MORNING WITH SOME FURTHER DEVELOPMENT ALONG AND SOUTH OF ROUTE  
24 LATE MORNING INTO EARLY AFTERNOON MONDAY.  
 
- DRIER AND SOMEWHAT LESS HUMID CONDITIONS ARRIVE FOR TUESDAY  
AND WEDNESDAY BEFORE CHANCES FOR SHOWERS AND STORMS RETURN FOR  
THE REMAINDER OF THE FORECAST.  
 
- THERE IS A MODERATE RISK FOR SOUTHEAST LAKE MICHIGAN BEACHES  
THIS AFTERNOON AND EVENING.  
 

 
   
DISCUSSION
 
 
ISSUED AT 100 PM EDT SUN JUL 5 2026  
 
NEAR TERM FOCUS REMAINS ON A COMBINATION OF A DEPARTING MCV AND  
ANOTHER WEAK TROUGH DROPPING SOUTH ACROSS THE AREA OVER THE NEXT 24  
HOURS OR SO. AN AREA OF PARTIAL CLEARING HAS ALLOWED FOR THE  
INITIAL DEVELOPMENT OF SHOWERS ALONG AND NORTH OF US 30. THESE  
SHOULD CONTINUE TO INTENSIFY AND EXPAND IN COVERAGE THROUGH THE  
REMAINDER OF THE AFTERNOON AIDED BY MUCAPE OF 1000-1500 J/KG.  
HOWEVER, A WEAK FLOW AND VERY LIMITED SHEAR WILL RESULT IN  
LITTLE SEVERE THREAT, WITH THE MAIN CONCERNS BEING HEAVY RAIN AS  
WARM LAYER PUSHES OVER 14,000 FT AND PWATS OF 1.8 TO 2" ARE IN  
PLACE. NO PLANS FOR ANY SORT OF WATCH, BUT SHORT FUSE FLOOD  
HEADLINES MAY BE NEEDED WHERE AREAS OF HEAVY RAIN HAVE OCCURRED  
IN RECENT DAYS OR WHERE TRAINING CELLS IMPACT A GIVEN AREA.  
 
COVERAGE SHOULD DIMINISH AFTER SUNSET, BUT MANY MODELS KEEP AT LEAST  
SOME WIDELY SCATTERED TO SCATTERED SHOWERS AROUND, ESPECIALLY IN  
EASTERN AREAS AS THE TROUGH MOVES ACROSS THE AREA. BY MORNING IT  
SHOULD BISECT THE FORECAST AREA WITH SOME HINTS OF RENEWED  
DEVELOPMENT LATE MORNING. WHILE CURRENT POPS MAY BE TOO FAR NW, HAVE  
LEFT IN PLACE FOR NOW. ANY PRECIP SHOULD WIND DOWN BY SUNSET MONDAY  
IF NOT BEFORE.  
 
HIGH PRESSURE BUILDS IN FOR A FEW DAYS, ALLOWING DEWPOINTS TO LOWER  
SOMEWHAT (60S VS 70S) AND ENDING PRECIP CHANCES UNTIL LATE WED NIGHT  
AND MORESO THE REMAINDER OF THE WEEK AS A SERIES OF WAVES MOVE IN AS  
A SEMI ZONAL FLOW SETS UP. POSITIONING OF A STATIONARY BOUNDARY AND  
INFLUENCES OF MULTIPLE ROUNDS OF STORMS MAKES IT DIFFICULT TO BRING  
MUCH DETAIL TO THE LATER PERIODS SO BLEND OF MODELS LEFT IN PLACE.  
 

 
   
AVIATION /00Z TAFS THROUGH 00Z TUESDAY/
 
 
ISSUED AT 704 PM EDT SUN JUL 5 2026  
 
LOW CIRCULATION CONTINUES TO MOVE SLOWLY EASTWARD BUT WILL ALSO  
BRING SHOWERS AND THUNDERSTORMS ACROSS THE AREA THIS EVENING.  
MVFR CIGS FOR BOTH SITES THROUGH THE OVERNIGHT PERIOD HOWEVER,  
KFWA WILL SEE A DROP INTO IFR CIGS BETWEEN 07-14Z MON. MVFR  
VSBYS IN THUNDERSTORM RAINS EXPECTED AT TIMES. CIGS BEGIN TO  
LIFT ON MONDAY AS THE LOW MOVES FURTHER EAST OUT OF THE AREA  
AROUND AND AFTER 17-18Z MON. LIGHT NORTHEASTERLY WINDS UP TO  
8-10 KTS EXPECTED THROUGH THE PERIOD.  
 

 
   
IWX WATCHES/WARNINGS/ADVISORIES
 
 
IN...NONE.  
OH...NONE.  
MI...NONE.  
MARINE...NONE.  
 

 
 

 
 
DISCUSSION...FISHER  
AVIATION...ANDERSEN  
 
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