256  
FXUS63 KIWX 100612  
AFDIWX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE NORTHERN INDIANA  
212 AM EDT SAT OCT 10 2026  
   
KEY MESSAGES
 
 
- PERIODS OF LIGHT RAIN EXPECTED THIS EVENING INTO SUNDAY  
MORNING, ESPECIALLY EAST OF INTERSTATE 69 WHERE UP TO A HALF  
AN INCH OF RAIN MAY FALL.  
 
- AN ACTIVE PATTERN SETS UP FOR THE SECOND HALF OF NEXT WEEK  
WITH GUSTY WINDS, SHOWERS AND POSSIBLE THUNDERSTORMS, THEN  
TURNING COLDER INTO NEXT WEEKEND.  
 

 
   
DISCUSSION
 
 
ISSUED AT 208 AM EDT SAT OCT 10 2026  
 
ANOTHER DAY OF WELL ABOVE NORMAL TEMPERATURES IS IN STORE AS SOME  
WAA CONTINUES. REMNANTS OF "ISAIAS" WILL CONTINUE SLOWLY NORTH  
THROUGH THE DAY AND EVENTUALLY MORE NORTHEAST TONIGHT INTO SUNDAY.  
BANDS OF CIRRUS WILL WORK ACROSS THE AREA, GENERALLY THIN IN NATURE  
UNTIL THE CIRCULATION EDGES CLOSER. SCATTERED SHOWERS MAY QUICKLY  
MOVE NORTH ACROSS MUCH OF THE AREA NEAR/AFTER 3Z SUN THEN STEADIER  
PRECIP ARRIVING AFTER 6Z AND LINGERING ALONG AND EAST OF INTERSTATE  
69. QPF IS SOMEWHAT LOWER THAN PAST DAYS WITH AMOUNTS POSSIBLY AT  
MOST LESS THAN ONE HALF INCH. MODEL BLENDS STILL KEEPING SOME SLGT  
CHC POPS FOR THUNDER. LAPSE RATES NOT OVERLY IMPRESSIVE, BUT SOME  
ELEVATED INSTABILITY IS NOTED (NEGATIVE SHOWALTERS). WILL LEAVE IN  
FOR THE TIME BEING.  
 
WITH REGARDS TO TEMPS ON SUNDAY, SOME GUIDANCE SUGGESTS HIGH TEMPS  
COULD BE SEVERAL DEGREES COOLER (MAINLY EAST) WHICH COULD HAVE SOME  
VALIDITY WITH THE EXTENSIVE CLOUD COVER AND PRECIP. THESE TEMPS SEEM  
TO BE IN THE LOWER PERCENTILE RANGE, SO HAVE LEFT PREVIOUS HIGHS  
ALONE AND PASS ONTO THE NEXT SHIFT.  
 
LULL IN PRECIP CHANCES ARRIVES SUNDAY NIGHT INTO MONDAY, BEFORE A  
SERIES OF WEAK WAVES AND FRONTS ARRIVE FOR MID WEEK. THEREAFTER, MED  
RANGE MODELS HAVE SORT OF DIVERGED SOME ON THE DEGREE OF PHASING OF  
A WEAKER NORTHERN AND STRONGER SOUTHERN STREAM WAVE. POPS REMAIN IN  
PLACE WITH SIGNS STILL POINTING TOWARDS COOLING FOR THE WEEKEND, BUT  
THE DEGREE OF COOLING AND AMOUNT OF PRECIP IS IN QUESTION WITH THESE  
VARIATIONS.  
 

 
   
AVIATION /06Z TAFS THROUGH 06Z SUNDAY/
 
 
ISSUED AT 122 AM EDT SAT OCT 10 2026  
 
MID/UPPER LEVEL CLOUDS WILL CONTINUE TO SLOWLY INCREASE  
(ESPECIALLY AT KFWA) THROUGH THE PERIOD AS THE REMNANTS OF  
ISAIAS LIFT NORTHWARD BUT RELATIVELY DRY LOW LEVELS WILL HOLD  
CONDITIONS VFR THROUGH THIS FORECAST WINDOW. RAIN AND MVFR  
CEILINGS ARE LIKELY AT KFWA JUST AFTER 06Z SUNDAY. KSBN WILL  
LIKELY REMAIN DRY/VFR THROUGH SUNDAY MORNING AS THE BETTER  
MOISTURE REMAINS EAST.  
 

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

 
 

 
 
DISCUSSION...FISHER  
AVIATION...AGD  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IN Page
The Nexlab OH Page
The Nexlab MI Page Main Text Page